diff options
Diffstat (limited to 'xlators/features/quota')
-rw-r--r-- | xlators/features/quota/src/Makefile.am | 15 | ||||
-rw-r--r-- | xlators/features/quota/src/quota-enforcer-client.c | 364 | ||||
-rw-r--r-- | xlators/features/quota/src/quota-mem-types.h | 3 | ||||
-rw-r--r-- | xlators/features/quota/src/quota.c | 2607 | ||||
-rw-r--r-- | xlators/features/quota/src/quota.h | 135 | ||||
-rw-r--r-- | xlators/features/quota/src/quotad-aggregator.c | 423 | ||||
-rw-r--r-- | xlators/features/quota/src/quotad-aggregator.h | 37 | ||||
-rw-r--r-- | xlators/features/quota/src/quotad-helpers.c | 113 | ||||
-rw-r--r-- | xlators/features/quota/src/quotad-helpers.h | 24 | ||||
-rw-r--r-- | xlators/features/quota/src/quotad.c | 210 |
10 files changed, 2947 insertions, 984 deletions
diff --git a/xlators/features/quota/src/Makefile.am b/xlators/features/quota/src/Makefile.am index 9546f427629..7165adc59ef 100644 --- a/xlators/features/quota/src/Makefile.am +++ b/xlators/features/quota/src/Makefile.am @@ -1,17 +1,22 @@ -xlator_LTLIBRARIES = quota.la +xlator_LTLIBRARIES = quota.la quotad.la xlatordir = $(libdir)/glusterfs/$(PACKAGE_VERSION)/xlator/features quota_la_LDFLAGS = -module -avoid-version +quotad_la_LDFLAGS = -module -avoid-version -quota_la_SOURCES = quota.c +quota_la_SOURCES = quota.c quota-enforcer-client.c quota_la_LIBADD = $(top_builddir)/libglusterfs/src/libglusterfs.la -noinst_HEADERS = quota-mem-types.h quota.h +quotad_la_SOURCES = quotad.c quotad-helpers.c quotad-aggregator.c +quotad_la_LIBADD = $(top_builddir)/libglusterfs/src/libglusterfs.la + +noinst_HEADERS = quota-mem-types.h quota.h quotad-aggregator.h quotad-helpers.h AM_CPPFLAGS = $(GF_CPPFLAGS) -I$(top_srcdir)/libglusterfs/src \ - -I$(top_srcdir)/xlators/cluster/dht/src + -I$(top_srcdir)/xlators/cluster/dht/src -I$(top_srcdir)/rpc/xdr/src/ \ + -I$(top_srcdir)/rpc/rpc-lib/src AM_CFLAGS = -Wall $(GF_CFLAGS) -CLEANFILES = +CLEANFILES = diff --git a/xlators/features/quota/src/quota-enforcer-client.c b/xlators/features/quota/src/quota-enforcer-client.c new file mode 100644 index 00000000000..bfea5e42014 --- /dev/null +++ b/xlators/features/quota/src/quota-enforcer-client.c @@ -0,0 +1,364 @@ +/* + Copyright (c) 2010-2012 Red Hat, Inc. <http://www.redhat.com> + This file is part of GlusterFS. + + This file is licensed to you under your choice of the GNU Lesser + General Public License, version 3 or any later version (LGPLv3 or + later), or the GNU General Public License, version 2 (GPLv2), in all + cases as published by the Free Software Foundation. +*/ +#include <stdio.h> +#include <string.h> +#include <netinet/in.h> +#include <sys/socket.h> +#include <sys/types.h> +#include <sys/resource.h> +#include <sys/file.h> +#include <netdb.h> +#include <signal.h> +#include <libgen.h> + +#include <sys/utsname.h> + +#include <stdint.h> +#include <pthread.h> +#include <sys/stat.h> +#include <fcntl.h> +#include <time.h> +#include <semaphore.h> +#include <errno.h> + +#ifndef _CONFIG_H +#define _CONFIG_H +#include "config.h" +#endif + +#ifdef HAVE_MALLOC_H +#include <malloc.h> +#endif + +#ifdef HAVE_MALLOC_STATS +#ifdef DEBUG +#include <mcheck.h> +#endif +#endif + +#include "quota.h" + +extern struct rpc_clnt_program quota_enforcer_clnt; + +int32_t +quota_validate_cbk (call_frame_t *frame, void *cookie, xlator_t *this, + int32_t op_ret, int32_t op_errno, inode_t *inode, + struct iatt *buf, dict_t *xdata, struct iatt *postparent); + +int +quota_enforcer_submit_request (void *req, call_frame_t *frame, + rpc_clnt_prog_t *prog, + int procnum, struct iobref *iobref, + xlator_t *this, fop_cbk_fn_t cbkfn, + xdrproc_t xdrproc) +{ + int ret = -1; + int count = 0; + struct iovec iov = {0, }; + struct iobuf *iobuf = NULL; + char new_iobref = 0; + ssize_t xdr_size = 0; + quota_priv_t *priv = NULL; + + GF_ASSERT (this); + + priv = this->private; + + if (req) { + xdr_size = xdr_sizeof (xdrproc, req); + iobuf = iobuf_get2 (this->ctx->iobuf_pool, xdr_size); + if (!iobuf) { + goto out; + } + + if (!iobref) { + iobref = iobref_new (); + if (!iobref) { + goto out; + } + + new_iobref = 1; + } + + iobref_add (iobref, iobuf); + + iov.iov_base = iobuf->ptr; + iov.iov_len = iobuf_size (iobuf); + + /* Create the xdr payload */ + ret = xdr_serialize_generic (iov, req, xdrproc); + if (ret == -1) { + goto out; + } + iov.iov_len = ret; + count = 1; + } + + /* Send the msg */ + ret = rpc_clnt_submit (priv->rpc_clnt, prog, procnum, cbkfn, + &iov, count, + NULL, 0, iobref, frame, NULL, 0, NULL, 0, NULL); + ret = 0; + +out: + if (new_iobref) + iobref_unref (iobref); + if (iobuf) + iobuf_unref (iobuf); + + return ret; +} + +int +quota_enforcer_lookup_cbk (struct rpc_req *req, struct iovec *iov, + int count, void *myframe) +{ + quota_local_t *local = NULL; + call_frame_t *frame = NULL; + int ret = 0; + gfs3_lookup_rsp rsp = {0,}; + struct iatt stbuf = {0,}; + struct iatt postparent = {0,}; + int op_errno = EINVAL; + dict_t *xdata = NULL; + inode_t *inode = NULL; + xlator_t *this = NULL; + + this = THIS; + + frame = myframe; + local = frame->local; + inode = local->validate_loc.inode; + + if (-1 == req->rpc_status) { + rsp.op_ret = -1; + op_errno = ENOTCONN; + goto out; + } + + ret = xdr_to_generic (*iov, &rsp, (xdrproc_t)xdr_gfs3_lookup_rsp); + if (ret < 0) { + gf_log (this->name, GF_LOG_ERROR, "XDR decoding failed"); + rsp.op_ret = -1; + op_errno = EINVAL; + goto out; + } + + op_errno = gf_error_to_errno (rsp.op_errno); + gf_stat_to_iatt (&rsp.postparent, &postparent); + + if (rsp.op_ret == -1) + goto out; + + rsp.op_ret = -1; + gf_stat_to_iatt (&rsp.stat, &stbuf); + + GF_PROTOCOL_DICT_UNSERIALIZE (frame->this, xdata, (rsp.xdata.xdata_val), + (rsp.xdata.xdata_len), rsp.op_ret, + op_errno, out); + + if ((!uuid_is_null (inode->gfid)) + && (uuid_compare (stbuf.ia_gfid, inode->gfid) != 0)) { + gf_log (frame->this->name, GF_LOG_DEBUG, + "gfid changed for %s", local->validate_loc.path); + rsp.op_ret = -1; + op_errno = ESTALE; + goto out; + } + + rsp.op_ret = 0; + +out: + rsp.op_errno = op_errno; + if (rsp.op_ret == -1) { + /* any error other than ENOENT */ + if (rsp.op_errno != ENOENT) + gf_log (this->name, GF_LOG_WARNING, + "remote operation failed: %s. Path: %s (%s)", + strerror (rsp.op_errno), + local->validate_loc.path, + loc_gfid_utoa (&local->validate_loc)); + else + gf_log (this->name, GF_LOG_TRACE, + "not found on remote node"); + + } + + local->validate_cbk (frame, NULL, this, rsp.op_ret, rsp.op_errno, inode, + &stbuf, xdata, &postparent); + + if (xdata) + dict_unref (xdata); + + free (rsp.xdata.xdata_val); + + return 0; +} + +int +quota_enforcer_lookup (call_frame_t *frame, xlator_t *this, loc_t *loc, + dict_t *xdata, fop_lookup_cbk_t validate_cbk) +{ + quota_local_t *local = NULL; + gfs3_lookup_req req = {{0,},}; + int ret = 0; + int op_errno = ESTALE; + quota_priv_t *priv = NULL; + + if (!frame || !this || !loc) + goto unwind; + + local = frame->local; + local->validate_cbk = validate_cbk; + + priv = this->private; + + if (!(loc && loc->inode)) + goto unwind; + + if (!uuid_is_null (loc->inode->gfid)) + memcpy (req.gfid, loc->inode->gfid, 16); + else + memcpy (req.gfid, loc->gfid, 16); + + if (xdata) { + GF_PROTOCOL_DICT_SERIALIZE (this, xdata, + (&req.xdata.xdata_val), + req.xdata.xdata_len, + op_errno, unwind); + } + + if (loc->name) + req.bname = (char *)loc->name; + else + req.bname = ""; + + ret = quota_enforcer_submit_request (&req, frame, + priv->quota_enforcer, + GF_AGGREGATOR_LOOKUP, + NULL, this, + quota_enforcer_lookup_cbk, + (xdrproc_t)xdr_gfs3_lookup_req); + + if (ret) { + gf_log (this->name, GF_LOG_WARNING, "failed to send the fop"); + } + + GF_FREE (req.xdata.xdata_val); + + return 0; + +unwind: + validate_cbk (frame, NULL, this, -1, op_errno, NULL, NULL, NULL, NULL); + + GF_FREE (req.xdata.xdata_val); + + return 0; +} + +int +quota_enforcer_notify (struct rpc_clnt *rpc, void *mydata, + rpc_clnt_event_t event, void *data) +{ + xlator_t *this = NULL; + int ret = 0; + + this = mydata; + + switch (event) { + case RPC_CLNT_CONNECT: + { + gf_log (this->name, GF_LOG_TRACE, "got RPC_CLNT_CONNECT"); + break; + } + + case RPC_CLNT_DISCONNECT: + { + gf_log (this->name, GF_LOG_TRACE, "got RPC_CLNT_DISCONNECT"); + break; + } + + default: + gf_log (this->name, GF_LOG_TRACE, + "got some other RPC event %d", event); + ret = 0; + break; + } + + return ret; +} + +//Returns a started rpc_clnt. Creates a new rpc_clnt if quota_priv doesn't have +//one already +struct rpc_clnt * +quota_enforcer_init (xlator_t *this, dict_t *options) +{ + struct rpc_clnt *rpc = NULL; + quota_priv_t *priv = NULL; + int ret = -1; + + priv = this->private; + if (priv->rpc_clnt) { + gf_log (this->name, GF_LOG_TRACE, "quota enforcer clnt already " + "inited"); + //Turns out to be a NOP if the clnt is already connected. + rpc_clnt_start (priv->rpc_clnt); + return priv->rpc_clnt; + } + priv->quota_enforcer = "a_enforcer_clnt; + + ret = dict_set_str (options, "transport.address-family", "unix"); + if (ret) + goto out; + + ret = dict_set_str (options, "transport-type", "socket"); + if (ret) + goto out; + + ret = dict_set_str (options, "transport.socket.connect-path", + "/tmp/quotad.socket"); + if (ret) + goto out; + + rpc = rpc_clnt_new (options, this->ctx, this->name, 16); + if (!rpc) { + ret = -1; + goto out; + } + + ret = rpc_clnt_register_notify (rpc, quota_enforcer_notify, this); + if (ret) { + gf_log ("cli", GF_LOG_ERROR, "failed to register notify"); + goto out; + } + + rpc_clnt_start (rpc); +out: + if (ret) { + if (rpc) + rpc_clnt_unref (rpc); + rpc = NULL; + } + + return rpc; +} + +struct rpc_clnt_procedure quota_enforcer_actors[GF_AGGREGATOR_MAXVALUE] = { + [GF_AGGREGATOR_NULL] = {"NULL", NULL}, + [GF_AGGREGATOR_LOOKUP] = {"LOOKUP", NULL}, +}; + +struct rpc_clnt_program quota_enforcer_clnt = { + .progname = "Quota enforcer", + .prognum = GLUSTER_AGGREGATOR_PROGRAM, + .progver = GLUSTER_AGGREGATOR_VERSION, + .numproc = GF_AGGREGATOR_MAXVALUE, + .proctable = quota_enforcer_actors, +}; diff --git a/xlators/features/quota/src/quota-mem-types.h b/xlators/features/quota/src/quota-mem-types.h index 3082865da29..97d9165681f 100644 --- a/xlators/features/quota/src/quota-mem-types.h +++ b/xlators/features/quota/src/quota-mem-types.h @@ -21,6 +21,9 @@ enum gf_quota_mem_types_ { gf_quota_mt_int32_t, gf_quota_mt_limits_t, gf_quota_mt_quota_dentry_t, + gf_quota_mt_quota_limits_level_t, + gf_quota_mt_qd_vols_conf_t, + gf_quota_mt_aggregator_state_t, gf_quota_mt_end }; #endif diff --git a/xlators/features/quota/src/quota.c b/xlators/features/quota/src/quota.c index 345d44c5272..a50fb1184a9 100644 --- a/xlators/features/quota/src/quota.c +++ b/xlators/features/quota/src/quota.c @@ -12,44 +12,100 @@ #include "quota.h" #include "common-utils.h" #include "defaults.h" +#include "statedump.h" int32_t quota_check_limit (call_frame_t *frame, inode_t *inode, xlator_t *this, char *name, uuid_t par); + +int +quota_fill_inodectx (xlator_t *this, inode_t *inode, dict_t *dict, + loc_t *loc, struct iatt *buf, int32_t *op_errno); + struct volume_options options[]; +static int32_t +__quota_init_inode_ctx (inode_t *inode, xlator_t *this, + quota_inode_ctx_t **context) +{ + int32_t ret = -1; + quota_inode_ctx_t *ctx = NULL; + + if (inode == NULL) { + goto out; + } + + QUOTA_ALLOC_OR_GOTO (ctx, quota_inode_ctx_t, out); + + LOCK_INIT(&ctx->lock); + + if (context != NULL) { + *context = ctx; + } + + INIT_LIST_HEAD (&ctx->parents); + + ret = __inode_ctx_put (inode, this, (uint64_t )(long)ctx); + if (ret == -1) { + gf_log (this->name, GF_LOG_WARNING, + "cannot set quota context in inode (gfid:%s)", + uuid_utoa (inode->gfid)); + } +out: + return ret; +} + + +static int32_t +quota_inode_ctx_get (inode_t *inode, xlator_t *this, + quota_inode_ctx_t **ctx, char create_if_absent) +{ + int32_t ret = 0; + uint64_t ctx_int; + + LOCK (&inode->lock); + { + ret = __inode_ctx_get (inode, this, &ctx_int); + + if ((ret == 0) && (ctx != NULL)) { + *ctx = (quota_inode_ctx_t *) (unsigned long)ctx_int; + } else if (create_if_absent) { + ret = __quota_init_inode_ctx (inode, this, ctx); + } + } + UNLOCK (&inode->lock); + + return ret; +} + int quota_loc_fill (loc_t *loc, inode_t *inode, inode_t *parent, char *path) { int ret = -1; - if (!loc) { + if (!loc || (inode == NULL)) return ret; - } if (inode) { loc->inode = inode_ref (inode); + uuid_copy (loc->gfid, inode->gfid); } if (parent) { loc->parent = inode_ref (parent); } - loc->path = gf_strdup (path); - if (!loc->path) { - goto loc_wipe; - } + if (path != NULL) { + loc->path = gf_strdup (path); - loc->name = strrchr (loc->path, '/'); - if (loc->name) { - loc->name++; - } else { - goto loc_wipe; + loc->name = strrchr (loc->path, '/'); + if (loc->name) { + loc->name++; + } } ret = 0; -loc_wipe: if (ret < 0) { loc_wipe (loc); } @@ -82,7 +138,6 @@ quota_inode_loc_fill (inode_t *inode, loc_t *loc) gf_log (this->name, GF_LOG_DEBUG, "cannot find parent for inode (gfid:%s)", uuid_utoa (inode->gfid)); - goto err; } ignore_parent: @@ -91,7 +146,6 @@ ignore_parent: gf_log (this->name, GF_LOG_DEBUG, "cannot construct path for inode (gfid:%s)", uuid_utoa (inode->gfid)); - goto err; } ret = quota_loc_fill (loc, inode, parent, resolvedpath); @@ -161,7 +215,9 @@ __quota_dentry_new (quota_inode_ctx_t *ctx, char *name, uuid_t par) uuid_copy (dentry->par, par); - list_add_tail (&dentry->next, &ctx->parents); + if (ctx != NULL) + list_add_tail (&dentry->next, &ctx->parents); + err: return dentry; } @@ -182,19 +238,66 @@ out: return; } +inline void +quota_resume_fop_if_validation_done (quota_local_t *local) +{ + call_stub_t *stub = NULL; + int link_count = -1; + + if (local == NULL) + goto out; + + LOCK (&local->lock); + { + link_count = local->link_count; + if (link_count == 0) { + stub = local->stub; + local->stub = NULL; + } + } + UNLOCK (&local->lock); + + if (stub != NULL) { + call_resume (stub); + } +out: + return; +} + +inline void +quota_handle_validate_error (quota_local_t *local, int32_t op_ret, + int32_t op_errno) +{ + if (local == NULL) + goto out; + + LOCK (&local->lock); + { + if (op_ret < 0) { + local->op_ret = op_ret; + local->op_errno = op_errno; + } + + /* we abort checking limits on this path to root */ + local->link_count--; + } + UNLOCK (&local->lock); + + quota_resume_fop_if_validation_done (local); +out: + return; +} int32_t quota_validate_cbk (call_frame_t *frame, void *cookie, xlator_t *this, - int32_t op_ret, int32_t op_errno, dict_t *dict, - dict_t *xdata) + int32_t op_ret, int32_t op_errno, inode_t *inode, + struct iatt *buf, dict_t *xdata, struct iatt *postparent) { - quota_local_t *local = NULL; - uint32_t validate_count = 0, link_count = 0; - int32_t ret = 0; - quota_inode_ctx_t *ctx = NULL; - int64_t *size = 0; - uint64_t value = 0; - call_stub_t *stub = NULL; + quota_local_t *local = NULL; + int32_t ret = 0; + quota_inode_ctx_t *ctx = NULL; + int64_t *size = 0; + uint64_t value = 0; local = frame->local; @@ -206,7 +309,7 @@ quota_validate_cbk (call_frame_t *frame, void *cookie, xlator_t *this, GF_ASSERT (frame); GF_VALIDATE_OR_GOTO_WITH_ERROR ("quota", this, unwind, op_errno, EINVAL); - GF_VALIDATE_OR_GOTO_WITH_ERROR (this->name, dict, unwind, op_errno, + GF_VALIDATE_OR_GOTO_WITH_ERROR (this->name, xdata, unwind, op_errno, EINVAL); ret = inode_ctx_get (local->validate_loc.inode, this, &value); @@ -220,7 +323,7 @@ quota_validate_cbk (call_frame_t *frame, void *cookie, xlator_t *this, goto unwind; } - ret = dict_get_bin (dict, QUOTA_SIZE_KEY, (void **) &size); + ret = dict_get_bin (xdata, QUOTA_SIZE_KEY, (void **) &size); if (ret < 0) { gf_log (this->name, GF_LOG_WARNING, "size key not present in dict"); @@ -243,25 +346,7 @@ quota_validate_cbk (call_frame_t *frame, void *cookie, xlator_t *this, return 0; unwind: - LOCK (&local->lock); - { - local->op_ret = -1; - local->op_errno = op_errno; - - validate_count = --local->validate_count; - link_count = local->link_count; - - if ((validate_count == 0) && (link_count == 0)) { - stub = local->stub; - local->stub = NULL; - } - } - UNLOCK (&local->lock); - - if (stub != NULL) { - call_resume (stub); - } - + quota_handle_validate_error (local, op_ret, op_errno); return 0; } @@ -288,34 +373,318 @@ quota_timeout (struct timeval *tv, int32_t timeout) return timed_out; } +int32_t +quota_build_ancestry_cbk (call_frame_t *frame, void *cookie, xlator_t *this, + int32_t op_ret, int32_t op_errno, + gf_dirent_t *entries, dict_t *xdata) +{ + inode_t *parent = NULL; + gf_dirent_t *entry = NULL; + loc_t loc = {0, }; + quota_dentry_t *dentry = NULL, *tmp = NULL; + quota_inode_ctx_t *ctx = NULL; + struct list_head parents = {0, }; + quota_local_t *local = NULL; + call_frame_t *continuation_frame = NULL; + + INIT_LIST_HEAD (&parents); + + continuation_frame = frame->local; + frame->local = NULL; + + local = continuation_frame->local; + + if (op_ret < 0) + goto err; + + parent = inode_parent (local->validate_loc.inode, 0, NULL); + if (parent == NULL) { + gf_log (this->name, GF_LOG_WARNING, "parent is NULL"); + op_errno = EINVAL; + goto err; + } + + if ((op_ret > 0) && (entries != NULL)) { + list_for_each_entry (entry, &entries->list, list) { + if (__is_root_gfid (entry->inode->gfid)) { + /* The list contains a sub-list for each + * possible path to the target inode. Each + * sub-list starts with the root entry of the + * tree and is followed by the child entries + * for a particular path to the target entry. + * The root entry is an implied sub-list + * delimiter, as it denotes we have started + * processing a new path. Reset the parent + * pointer and continue + */ + + parent = NULL; + } + + uuid_copy (loc.gfid, entry->d_stat.ia_gfid); + + loc.inode = inode_ref (entry->inode); + loc.parent = inode_ref (parent); + loc.name = entry->d_name; + + quota_fill_inodectx (this, entry->inode, entry->dict, + &loc, &entry->d_stat, &op_errno); + + parent = entry->inode; + + loc_wipe (&loc); + } + } + + quota_inode_ctx_get (local->validate_loc.inode, this, &ctx, 0); + + local->link_count = 0; + + if (ctx != NULL) { + LOCK (&ctx->lock); + { + list_for_each_entry (dentry, &ctx->parents, next) { + tmp = __quota_dentry_new (NULL, dentry->name, + dentry->par); + list_add_tail (&tmp->next, &parents); + local->link_count++; + } + } + UNLOCK (&ctx->lock); + } + + if (local->link_count != 0) { + list_for_each_entry_safe (dentry, tmp, &parents, next) { + quota_check_limit (continuation_frame, + local->validate_loc.inode, + this, dentry->name, dentry->par); + __quota_dentry_free (dentry); + } + } else { + local->link_count = 1; + quota_check_limit (continuation_frame, parent, this, NULL, + NULL); + } + + STACK_DESTROY (frame->root); + return 0; + +err: + STACK_DESTROY (frame->root); + + quota_handle_validate_error (local, -1, op_errno); + return 0; +} int32_t -quota_check_limit (call_frame_t *frame, inode_t *inode, xlator_t *this, - char *name, uuid_t par) +quota_build_ancestry_open_cbk (call_frame_t *frame, void *cookie, + xlator_t *this, int32_t op_ret, int32_t op_errno, + fd_t *fd, dict_t *xdata) { - int32_t ret = -1; - inode_t *_inode = NULL, *parent = NULL; - quota_inode_ctx_t *ctx = NULL; - quota_priv_t *priv = NULL; - quota_local_t *local = NULL; - char need_validate = 0, need_unwind = 0; - int64_t delta = 0; - call_stub_t *stub = NULL; - int32_t validate_count = 0, link_count = 0; - uint64_t value = 0; - char just_validated = 0; - uuid_t trav_uuid = {0,}; + int ret = -1; + dict_t *xdata_req = NULL; + quota_local_t *local = NULL; + call_frame_t *continuation_frame = NULL; + + xdata_req = dict_new (); + if (xdata_req == NULL) { + ret = -ENOMEM; + goto err; + } - GF_VALIDATE_OR_GOTO ("quota", this, out); - GF_VALIDATE_OR_GOTO (this->name, frame, out); - GF_VALIDATE_OR_GOTO (this->name, inode, out); + ret = dict_set_int8 (xdata_req, QUOTA_LIMIT_KEY, 1); + if (ret < 0) + goto err; + + ret = dict_set_int8 (xdata_req, GET_ANCESTRY_DENTRY_KEY, 1); + if (ret < 0) + goto err; + + /* This would ask posix layer to construct dentry chain till root */ + STACK_WIND (frame, quota_build_ancestry_cbk, FIRST_CHILD(this), + FIRST_CHILD(this)->fops->readdirp, fd, 0, 0, xdata_req); + + ret = 0; + +err: + fd_unref (fd); + + dict_unref (xdata_req); + + if (ret < 0) { + continuation_frame = frame->local; + frame->local = NULL; + + STACK_DESTROY (frame->root); + + local = continuation_frame->local; + quota_handle_validate_error (local, -1, op_errno); + } + + return ret; +} + +int +quota_build_ancestry (call_frame_t *frame, inode_t *inode, xlator_t *this) +{ + loc_t loc = {0, }; + fd_t *fd = NULL; + quota_local_t *local = NULL; + call_frame_t *new_frame = NULL; + int ret = -1; + + loc.inode = inode_ref (inode); + uuid_copy (loc.gfid, inode->gfid); + + gf_log (this->name, GF_LOG_WARNING, "building ancestry"); local = frame->local; - GF_VALIDATE_OR_GOTO (this->name, local, out); + + LOCK (&local->lock); + { + loc_wipe (&local->validate_loc); + + ret = quota_inode_loc_fill (inode, &local->validate_loc); + if (ret < 0) { + gf_log (this->name, GF_LOG_WARNING, + "cannot fill loc for inode (gfid:%s), hence " + "aborting quota-checks and continuing with fop", + uuid_utoa (inode->gfid)); + } + } + UNLOCK (&local->lock); + + fd = fd_create (inode, 0); + + new_frame = copy_frame (frame); + new_frame->root->uid = new_frame->root->gid = 0; + + new_frame->local = frame; + + if (IA_ISDIR (inode->ia_type)) { + STACK_WIND (new_frame, quota_build_ancestry_open_cbk, + FIRST_CHILD(this), + FIRST_CHILD(this)->fops->opendir, &loc, fd, + NULL); + } else { + STACK_WIND (new_frame, quota_build_ancestry_open_cbk, + FIRST_CHILD(this), + FIRST_CHILD(this)->fops->open, &loc, 0, fd, + NULL); + } + + loc_wipe (&loc); + + return 0; +} + +int +quota_validate (call_frame_t *frame, inode_t *inode, xlator_t *this, + fop_lookup_cbk_t cbk_fn) +{ + quota_local_t *local = NULL; + int ret = 0; + dict_t *xdata = NULL; + quota_priv_t *priv = NULL; + + local = frame->local; + priv = this->private; + + LOCK (&local->lock); + { + loc_wipe (&local->validate_loc); + + ret = quota_inode_loc_fill (inode, &local->validate_loc); + if (ret < 0) { + gf_log (this->name, GF_LOG_WARNING, + "cannot fill loc for inode (gfid:%s), hence " + "aborting quota-checks and continuing with fop", + uuid_utoa (inode->gfid)); + } + } + UNLOCK (&local->lock); + + if (ret < 0) { + ret = -ENOMEM; + goto err; + } + + xdata = dict_new (); + if (xdata == NULL) { + ret = -ENOMEM; + goto err; + } + + ret = dict_set_int8 (xdata, QUOTA_SIZE_KEY, 1); + if (ret < 0) { + gf_log (this->name, GF_LOG_WARNING, "dict set failed"); + ret = -ENOMEM; + goto err; + } + + ret = dict_set_str (xdata, "volume-uuid", priv->volume_uuid); + if (ret < 0) { + gf_log (this->name, GF_LOG_WARNING, "dict set failed"); + ret = -ENOMEM; + goto err; + } + + ret = quota_enforcer_lookup (frame, this, &local->validate_loc, xdata, + cbk_fn); + if (ret < 0) { + ret = -ENOTCONN; + goto err; + } + + ret = 0; +err: + return ret; +} + +int32_t +quota_check_limit (call_frame_t *frame, inode_t *inode, xlator_t *this, + char *name, uuid_t par) +{ + int32_t ret = -1, op_errno = EINVAL; + inode_t *_inode = NULL, *parent = NULL; + quota_inode_ctx_t *ctx = NULL; + quota_priv_t *priv = NULL; + quota_local_t *local = NULL; + char need_validate = 0; + gf_boolean_t hard_limit_exceeded = 0; + int64_t delta = 0, wouldbe_size = 0; + uint64_t value = 0; + char just_validated = 0; + uuid_t trav_uuid = {0,}; + uint32_t timeout = 0; + + GF_VALIDATE_OR_GOTO ("quota", this, err); + GF_VALIDATE_OR_GOTO (this->name, frame, err); + GF_VALIDATE_OR_GOTO (this->name, inode, err); + + local = frame->local; + GF_VALIDATE_OR_GOTO (this->name, local, err); delta = local->delta; - GF_VALIDATE_OR_GOTO (this->name, local->stub, out); + GF_VALIDATE_OR_GOTO (this->name, local->stub, err); + /* Allow all the trusted clients + * Don't block the gluster internal processes like rebalance, gsyncd, + * self heal etc from the disk quotas. + * + * Method: Allow all the clients with PID negative. This is by the + * assumption that any kernel assigned pid doesn't have the negative + * number. + */ + if (0 > frame->root->pid) { + ret = 0; + LOCK (&local->lock); + { + --local->link_count; + } + UNLOCK (&local->lock); + goto resume; + } priv = this->private; @@ -328,10 +697,6 @@ quota_check_limit (call_frame_t *frame, inode_t *inode, xlator_t *this, { just_validated = local->just_validated; local->just_validated = 0; - - if (just_validated) { - local->validate_count--; - } } UNLOCK (&local->lock); @@ -340,34 +705,56 @@ quota_check_limit (call_frame_t *frame, inode_t *inode, xlator_t *this, } do { - if (ctx != NULL) { + if (ctx != NULL && (ctx->hard_lim > 0 || ctx->soft_lim > 0)) { + wouldbe_size = ctx->size + delta; + LOCK (&ctx->lock); { - if (ctx->limit >= 0) { - if (!just_validated - && quota_timeout (&ctx->tv, - priv->timeout)) { - need_validate = 1; - } else if ((ctx->size + delta) - >= ctx->limit) { - local->op_ret = -1; - local->op_errno = EDQUOT; - need_unwind = 1; - } + timeout = priv->soft_timeout; + + if ((ctx->soft_lim >= 0) + && (wouldbe_size > ctx->soft_lim)) { + timeout = priv->hard_timeout; + } + + if (!just_validated + && quota_timeout (&ctx->tv, timeout)) { + need_validate = 1; + } else if (wouldbe_size >= ctx->hard_lim) { + hard_limit_exceeded = 1; } } UNLOCK (&ctx->lock); + /* We log usage only if quota limit is configured on + that inode. */ + quota_log_usage (this, ctx, _inode, delta); + if (need_validate) { - goto validate; - } + ret = quota_validate (frame, _inode, this, + quota_validate_cbk); + if (ret < 0) { + op_errno = -ret; + goto err; + } - if (need_unwind) { break; } + + if (hard_limit_exceeded) { + op_errno = EDQUOT; + goto err; + } + } if (__is_root_gfid (_inode->gfid)) { + LOCK (&local->lock); + { + --local->link_count; + } + UNLOCK (&local->lock); + break; } @@ -379,10 +766,13 @@ quota_check_limit (call_frame_t *frame, inode_t *inode, xlator_t *this, } if (parent == NULL) { - gf_log (this->name, GF_LOG_DEBUG, - "cannot find parent for inode (gfid:%s), hence " - "aborting enforcing quota-limits and continuing" - " with the fop", uuid_utoa (_inode->gfid)); + ret = quota_build_ancestry (frame, _inode, this); + if (ret < 0) { + op_errno = -ret; + goto err; + } + + break; } inode_unref (_inode); @@ -398,240 +788,94 @@ quota_check_limit (call_frame_t *frame, inode_t *inode, xlator_t *this, ctx = (quota_inode_ctx_t *)(unsigned long)value; } while (1); - ret = 0; - if (_inode != NULL) { inode_unref (_inode); + _inode = NULL; } - LOCK (&local->lock); - { - validate_count = local->validate_count; - link_count = local->link_count; - if ((validate_count == 0) && (link_count == 0)) { - stub = local->stub; - local->stub = NULL; - } - } - UNLOCK (&local->lock); - - if (stub != NULL) { - call_resume (stub); - } - -out: - return ret; - -validate: - LOCK (&local->lock); - { - loc_wipe (&local->validate_loc); - - if (just_validated) { - local->validate_count--; - } - - local->validate_count++; - ret = quota_inode_loc_fill (_inode, &local->validate_loc); - if (ret < 0) { - gf_log (this->name, GF_LOG_WARNING, - "cannot fill loc for inode (gfid:%s), hence " - "aborting quota-checks and continuing with fop", - uuid_utoa (_inode->gfid)); - local->validate_count--; - } - } - UNLOCK (&local->lock); - - if (ret < 0) { - goto loc_fill_failed; - } +resume: + quota_resume_fop_if_validation_done (local); + return 0; - STACK_WIND (frame, quota_validate_cbk, FIRST_CHILD(this), - FIRST_CHILD(this)->fops->getxattr, &local->validate_loc, - QUOTA_SIZE_KEY, NULL); +err: + quota_handle_validate_error (local, -1, op_errno); -loc_fill_failed: inode_unref (_inode); return 0; } - -int32_t -quota_get_limit_value (inode_t *inode, xlator_t *this, int64_t *n) +inline int +quota_get_limits (xlator_t *this, dict_t *dict, int64_t *hard_lim, + int64_t *soft_lim) { - int32_t ret = 0; - char *path = NULL; - limits_t *limit_node = NULL; - quota_priv_t *priv = NULL; - - if (inode == NULL || n == NULL) { - ret = -1; - goto out; - } - - *n = 0; + quota_limit_t *limit = NULL; + quota_priv_t *priv = NULL; + int64_t soft_lim_percent = 0, *ptr = NULL; + int ret = 0; - ret = inode_path (inode, NULL, &path); - if (ret < 0) { - ret = -1; + if ((this == NULL) || (dict == NULL) || (hard_lim == NULL) + || (soft_lim == NULL)) goto out; - } priv = this->private; - list_for_each_entry (limit_node, &priv->limit_head, limit_list) { - if (strcmp (limit_node->path, path) == 0) { - *n = limit_node->value; - break; - } - } + ret = dict_get_bin (dict, QUOTA_LIMIT_KEY, (void **) &ptr); + limit = (quota_limit_t *)ptr; -out: - GF_FREE (path); - - return ret; -} - - -static int32_t -__quota_init_inode_ctx (inode_t *inode, int64_t limit, xlator_t *this, - dict_t *dict, struct iatt *buf, - quota_inode_ctx_t **context) -{ - int32_t ret = -1; - int64_t *size = 0; - quota_inode_ctx_t *ctx = NULL; - - if (inode == NULL) { - goto out; + if (limit) { + *hard_lim = ntoh64 (limit->hard_lim); + soft_lim_percent = ntoh64 (limit->soft_lim_percent); } - QUOTA_ALLOC_OR_GOTO (ctx, quota_inode_ctx_t, out); - - ctx->limit = limit; - if (buf) - ctx->buf = *buf; - - LOCK_INIT(&ctx->lock); - - if (context != NULL) { - *context = ctx; + if (soft_lim_percent < 0) { + soft_lim_percent = priv->default_soft_lim; } - INIT_LIST_HEAD (&ctx->parents); - - if (dict != NULL) { - ret = dict_get_bin (dict, QUOTA_SIZE_KEY, (void **) &size); - if (ret == 0) { - ctx->size = ntoh64 (*size); - gettimeofday (&ctx->tv, NULL); - } + if ((*hard_lim > 0) && (soft_lim_percent > 0)) { + *soft_lim = (soft_lim_percent * (*hard_lim))/100; } - ret = __inode_ctx_put (inode, this, (uint64_t )(long)ctx); - if (ret == -1) { - gf_log (this->name, GF_LOG_WARNING, - "cannot set quota context in inode (gfid:%s)", - uuid_utoa (inode->gfid)); - } out: - return ret; -} - - -static int32_t -quota_inode_ctx_get (inode_t *inode, int64_t limit, xlator_t *this, - dict_t *dict, struct iatt *buf, quota_inode_ctx_t **ctx, - char create_if_absent) -{ - int32_t ret = 0; - uint64_t ctx_int; - - LOCK (&inode->lock); - { - ret = __inode_ctx_get (inode, this, &ctx_int); - - if ((ret == 0) && (ctx != NULL)) { - *ctx = (quota_inode_ctx_t *) (unsigned long)ctx_int; - } else if (create_if_absent) { - ret = __quota_init_inode_ctx (inode, limit, this, dict, - buf, ctx); - } - } - UNLOCK (&inode->lock); - - return ret; + return 0; } - -int32_t -quota_lookup_cbk (call_frame_t *frame, void *cookie, xlator_t *this, - int32_t op_ret, int32_t op_errno, inode_t *inode, - struct iatt *buf, dict_t *dict, struct iatt *postparent) +int +quota_fill_inodectx (xlator_t *this, inode_t *inode, dict_t *dict, + loc_t *loc, struct iatt *buf, int32_t *op_errno) { - int32_t ret = -1; - char found = 0; - quota_local_t *local = NULL; - quota_inode_ctx_t *ctx = NULL; - quota_dentry_t *dentry = NULL; - int64_t *size = 0; - uint64_t value = 0; - limits_t *limit_node = NULL; - quota_priv_t *priv = NULL; + int32_t ret = -1; + char found = 0; + quota_inode_ctx_t *ctx = NULL; + quota_dentry_t *dentry = NULL; + uint64_t value = 0; + int64_t hard_lim = -1, soft_lim = -1; - local = frame->local; - - priv = this->private; + quota_get_limits (this, dict, &hard_lim, &soft_lim); inode_ctx_get (inode, this, &value); ctx = (quota_inode_ctx_t *)(unsigned long)value; - if ((op_ret < 0) || (local == NULL) - || (((ctx == NULL) || (ctx->limit == local->limit)) - && (local->limit < 0) && !((IA_ISREG (buf->ia_type)) - || (IA_ISLNK (buf->ia_type))))) { - goto unwind; - } - - LOCK (&priv->lock); - { - list_for_each_entry (limit_node, &priv->limit_head, - limit_list) { - if (strcmp (local->loc.path, limit_node->path) == 0) { - uuid_copy (limit_node->gfid, buf->ia_gfid); - break; - } - } + if ((((ctx == NULL) || (ctx->hard_lim == hard_lim)) + && (hard_lim < 0) && !((IA_ISREG (buf->ia_type)) + || (IA_ISLNK (buf->ia_type))))) { + ret = 0; + goto out; } - UNLOCK (&priv->lock); - ret = quota_inode_ctx_get (local->loc.inode, local->limit, this, dict, - buf, &ctx, 1); + ret = quota_inode_ctx_get (inode, this, &ctx, 1); if ((ret == -1) || (ctx == NULL)) { gf_log (this->name, GF_LOG_WARNING, "cannot create quota " "context in inode(gfid:%s)", - uuid_utoa (local->loc.inode->gfid)); - op_ret = -1; - op_errno = ENOMEM; - goto unwind; + uuid_utoa (inode->gfid)); + ret = -1; + *op_errno = ENOMEM; + goto out; } LOCK (&ctx->lock); { - - if (dict != NULL) { - ret = dict_get_bin (dict, QUOTA_SIZE_KEY, - (void **) &size); - if (ret == 0) { - ctx->size = ntoh64 (*size); - gettimeofday (&ctx->tv, NULL); - } - } - - if (local->limit != ctx->limit) { - ctx->limit = local->limit; - } + ctx->hard_lim = hard_lim; + ctx->soft_lim = soft_lim; ctx->buf = *buf; @@ -639,12 +883,12 @@ quota_lookup_cbk (call_frame_t *frame, void *cookie, xlator_t *this, goto unlock; } - if (local->loc.name == NULL) + if (loc->name == NULL) goto unlock; list_for_each_entry (dentry, &ctx->parents, next) { - if ((strcmp (dentry->name, local->loc.name) == 0) && - (uuid_compare (local->loc.parent->gfid, + if ((strcmp (dentry->name, loc->name) == 0) && + (uuid_compare (loc->parent->gfid, dentry->par) == 0)) { found = 1; break; @@ -653,18 +897,18 @@ quota_lookup_cbk (call_frame_t *frame, void *cookie, xlator_t *this, if (!found) { dentry = __quota_dentry_new (ctx, - (char *)local->loc.name, - local->loc.parent->gfid); + (char *)loc->name, + loc->parent->gfid); if (dentry == NULL) { /* - gf_log (this->name, GF_LOG_WARNING, + gf_log (this->name, GF_LOG_WARNING, "cannot create a new dentry (par:%" PRId64", name:%s) for inode(ino:%" PRId64", gfid:%s)", uuid_utoa (local->loc.inode->gfid)); */ - op_ret = -1; - op_errno = ENOMEM; + ret = -1; + *op_errno = ENOMEM; goto unlock; } } @@ -672,6 +916,25 @@ quota_lookup_cbk (call_frame_t *frame, void *cookie, xlator_t *this, unlock: UNLOCK (&ctx->lock); +out: + return ret; +} + +int32_t +quota_lookup_cbk (call_frame_t *frame, void *cookie, xlator_t *this, + int32_t op_ret, int32_t op_errno, inode_t *inode, + struct iatt *buf, dict_t *dict, struct iatt *postparent) +{ + quota_local_t *local = NULL; + + if (op_ret < 0) + goto unwind; + + local = frame->local; + + op_ret = quota_fill_inodectx (this, inode, dict, &local->loc, buf, + &op_errno); + unwind: QUOTA_STACK_UNWIND (lookup, frame, op_ret, op_errno, inode, buf, dict, postparent); @@ -683,65 +946,53 @@ int32_t quota_lookup (call_frame_t *frame, xlator_t *this, loc_t *loc, dict_t *xattr_req) { - int32_t ret = -1; - int64_t limit = -1; - limits_t *limit_node = NULL; - gf_boolean_t dict_newed = _gf_false; - quota_priv_t *priv = NULL; - quota_local_t *local = NULL; + quota_priv_t *priv = NULL; + int32_t ret = -1; + quota_local_t *local = NULL; priv = this->private; - list_for_each_entry (limit_node, &priv->limit_head, limit_list) { - if (strcmp (limit_node->path, loc->path) == 0) { - limit = limit_node->value; - } - } + xattr_req = xattr_req ? dict_ref(xattr_req) : dict_new(); + if (!xattr_req) + goto err; + + WIND_IF_QUOTAOFF (priv->is_quota_on, wind); local = quota_local_new (); if (local == NULL) { goto err; } - ret = loc_copy (&local->loc, loc); - if (ret == -1) { - goto err; - } - frame->local = local; + loc_copy (&local->loc, loc); - local->limit = limit; - - if (limit < 0) { - goto wind; - } - - if (xattr_req == NULL) { - xattr_req = dict_new (); - dict_newed = _gf_true; - } - - ret = dict_set_uint64 (xattr_req, QUOTA_SIZE_KEY, 0); + ret = dict_set_int8 (xattr_req, QUOTA_LIMIT_KEY, 1); if (ret < 0) { + gf_log (this->name, GF_LOG_WARNING, + "dict set of key for hard-limit failed"); goto err; } wind: - STACK_WIND (frame, quota_lookup_cbk, FIRST_CHILD(this), - FIRST_CHILD(this)->fops->lookup, loc, xattr_req); + /* TODO: check with vshastry@redhat.com to cleanup the ugliness of + * checking priv->is_quota_on here by using STACK_WIND_TAIL macro + */ + STACK_WIND (frame, + priv->is_quota_on ? quota_lookup_cbk : default_lookup_cbk, + FIRST_CHILD(this), FIRST_CHILD(this)->fops->lookup, loc, + xattr_req); ret = 0; err: + if (xattr_req) + dict_unref (xattr_req); + if (ret < 0) { QUOTA_STACK_UNWIND (lookup, frame, -1, ENOMEM, NULL, NULL, NULL, NULL); } - if (dict_newed == _gf_true) { - dict_unref (xattr_req); - } - return 0; } @@ -769,10 +1020,13 @@ quota_update_size (xlator_t *this, inode_t *inode, char *name, uuid_t par, } do { - if ((ctx != NULL) && (ctx->limit >= 0)) { + if ((ctx != NULL) && (ctx->hard_lim >= 0)) { + quota_log_usage (this, ctx, _inode, delta); LOCK (&ctx->lock); { ctx->size += delta; + if (ctx->size < 0) + ctx->size = 0; } UNLOCK (&ctx->lock); } @@ -783,6 +1037,7 @@ quota_update_size (xlator_t *this, inode_t *inode, char *name, uuid_t par, parent = inode_parent (_inode, trav_uuid, name); if (parent == NULL) { + /* TODO: build ancestry and continue updating size */ gf_log (this->name, GF_LOG_DEBUG, "cannot find parent for inode (gfid:%s), hence " "aborting size updation of parents", @@ -801,6 +1056,8 @@ quota_update_size (xlator_t *this, inode_t *inode, char *name, uuid_t par, break; } + value = 0; + ctx = NULL; inode_ctx_get (_inode, this, &value); ctx = (quota_inode_ctx_t *)(unsigned long)value; } while (1); @@ -819,8 +1076,9 @@ quota_writev_cbk (call_frame_t *frame, void *cookie, xlator_t *this, uint64_t ctx_int = 0; quota_inode_ctx_t *ctx = NULL; quota_local_t *local = NULL; - quota_dentry_t *dentry = NULL; + quota_dentry_t *dentry = NULL, *tmp = NULL; int64_t delta = 0; + struct list_head head = {0, }; local = frame->local; @@ -828,6 +1086,8 @@ quota_writev_cbk (call_frame_t *frame, void *cookie, xlator_t *this, goto out; } + INIT_LIST_HEAD (&head); + ret = inode_ctx_get (local->loc.inode, this, &ctx_int); if (ret) { gf_log (this->name, GF_LOG_WARNING, @@ -847,13 +1107,23 @@ quota_writev_cbk (call_frame_t *frame, void *cookie, xlator_t *this, LOCK (&ctx->lock); { ctx->buf = *postbuf; + + list_for_each_entry (dentry, &ctx->parents, next) { + tmp = __quota_dentry_new (NULL, dentry->name, + dentry->par); + list_add_tail (&tmp->next, &head); + } + } UNLOCK (&ctx->lock); - list_for_each_entry (dentry, &ctx->parents, next) { - delta = (postbuf->ia_blocks - prebuf->ia_blocks) * 512; - quota_update_size (this, local->loc.inode, - dentry->name, dentry->par, delta); + if (postbuf->ia_blocks != prebuf->ia_blocks) + delta = local->delta; + + list_for_each_entry_safe (dentry, tmp, &head, next) { + quota_update_size (this, local->loc.inode, dentry->name, + dentry->par, delta); + __quota_dentry_free (dentry); } out: @@ -871,6 +1141,9 @@ quota_writev_helper (call_frame_t *frame, xlator_t *this, fd_t *fd, { quota_local_t *local = NULL; int32_t op_errno = EINVAL; + quota_priv_t *priv = NULL; + + priv = this->private; local = frame->local; if (local == NULL) { @@ -883,9 +1156,10 @@ quota_writev_helper (call_frame_t *frame, xlator_t *this, fd_t *fd, goto unwind; } - STACK_WIND (frame, quota_writev_cbk, FIRST_CHILD(this), - FIRST_CHILD(this)->fops->writev, fd, vector, count, off, - flags, iobref, xdata); + STACK_WIND (frame, + priv->is_quota_on? quota_writev_cbk: default_writev_cbk, + FIRST_CHILD(this), FIRST_CHILD(this)->fops->writev, fd, + vector, count, off, flags, iobref, xdata); return 0; unwind: @@ -899,14 +1173,21 @@ quota_writev (call_frame_t *frame, xlator_t *this, fd_t *fd, struct iovec *vector, int32_t count, off_t off, uint32_t flags, struct iobref *iobref, dict_t *xdata) { + quota_priv_t *priv = NULL; int32_t ret = -1, op_errno = EINVAL; int32_t parents = 0; uint64_t size = 0; quota_local_t *local = NULL; quota_inode_ctx_t *ctx = NULL; - quota_priv_t *priv = NULL; + quota_dentry_t *dentry = NULL, *tmp = NULL; call_stub_t *stub = NULL; - quota_dentry_t *dentry = NULL; + struct list_head head = {0, }; + + priv = this->private; + + WIND_IF_QUOTAOFF (priv->is_quota_on, wind); + + INIT_LIST_HEAD (&head); GF_ASSERT (frame); GF_VALIDATE_OR_GOTO ("quota", this, unwind); @@ -920,12 +1201,13 @@ quota_writev (call_frame_t *frame, xlator_t *this, fd_t *fd, frame->local = local; local->loc.inode = inode_ref (fd->inode); - ret = quota_inode_ctx_get (fd->inode, -1, this, NULL, NULL, &ctx, 0); + ret = quota_inode_ctx_get (fd->inode, this, &ctx, 0); if (ctx == NULL) { - gf_log (this->name, GF_LOG_WARNING, - "quota context not set in inode (gfid:%s)", + gf_log (this->name, GF_LOG_DEBUG, "quota context is NULL on " + "inode (%s). " + "If quota is not enabled recently and crawler has " + "finished crawling, its an error", uuid_utoa (fd->inode->gfid)); - goto unwind; } stub = fop_writev_stub (frame, quota_writev_helper, fd, vector, count, @@ -939,47 +1221,46 @@ quota_writev (call_frame_t *frame, xlator_t *this, fd_t *fd, GF_VALIDATE_OR_GOTO (this->name, priv, unwind); size = iov_length (vector, count); - LOCK (&ctx->lock); - { - list_for_each_entry (dentry, &ctx->parents, next) { - parents++; + if (ctx != NULL) { + LOCK (&ctx->lock); + { + list_for_each_entry (dentry, &ctx->parents, next) { + tmp = __quota_dentry_new (NULL, dentry->name, + dentry->par); + list_add_tail (&tmp->next, &head); + parents++; + } } + UNLOCK (&ctx->lock); } - UNLOCK (&ctx->lock); local->delta = size; - local->stub = stub; - local->link_count = parents; - list_for_each_entry (dentry, &ctx->parents, next) { - ret = quota_check_limit (frame, fd->inode, this, dentry->name, - dentry->par); - if (ret == -1) { - break; - } - } - - stub = NULL; + local->link_count = parents; + local->stub = stub; - LOCK (&local->lock); - { - local->link_count = 0; - if (local->validate_count == 0) { - stub = local->stub; - local->stub = NULL; + if (parents == 0) { + local->link_count = 1; + quota_check_limit (frame, fd->inode, this, NULL, NULL); + } else { + list_for_each_entry_safe (dentry, tmp, &head, next) { + quota_check_limit (frame, fd->inode, this, dentry->name, + dentry->par); + __quota_dentry_free (dentry); } } - UNLOCK (&local->lock); - - if (stub != NULL) { - call_resume (stub); - } return 0; unwind: QUOTA_STACK_UNWIND (writev, frame, -1, op_errno, NULL, NULL, NULL); return 0; + +wind: + STACK_WIND (frame, default_writev_cbk, FIRST_CHILD(this), + FIRST_CHILD(this)->fops->writev, fd, + vector, count, off, flags, iobref, xdata); + return 0; } @@ -1014,8 +1295,11 @@ quota_mkdir_helper (call_frame_t *frame, xlator_t *this, loc_t *loc, goto unwind; } - STACK_WIND (frame, quota_mkdir_cbk, FIRST_CHILD(this), - FIRST_CHILD(this)->fops->mkdir, loc, mode, umask, xdata); + STACK_WIND (frame, + quota_mkdir_cbk, + FIRST_CHILD(this), FIRST_CHILD(this)->fops->mkdir, loc, + mode, umask, xdata); + return 0; unwind: @@ -1029,9 +1313,14 @@ int32_t quota_mkdir (call_frame_t *frame, xlator_t *this, loc_t *loc, mode_t mode, mode_t umask, dict_t *xdata) { - int32_t ret = 0, op_errno = 0; - quota_local_t *local = NULL; - call_stub_t *stub = NULL; + quota_priv_t *priv = NULL; + int32_t ret = 0, op_errno = 0; + quota_local_t *local = NULL; + call_stub_t *stub = NULL; + + priv = this->private; + + WIND_IF_QUOTAOFF (priv->is_quota_on, wind); local = quota_local_new (); if (local == NULL) { @@ -1041,8 +1330,6 @@ quota_mkdir (call_frame_t *frame, xlator_t *this, loc_t *loc, mode_t mode, frame->local = local; - local->link_count = 1; - ret = loc_copy (&local->loc, loc); if (ret) { op_errno = ENOMEM; @@ -1059,32 +1346,24 @@ quota_mkdir (call_frame_t *frame, xlator_t *this, loc_t *loc, mode_t mode, local->stub = stub; local->delta = 0; + local->link_count = 1; quota_check_limit (frame, loc->parent, this, NULL, NULL); - - stub = NULL; - - LOCK (&local->lock); - { - if (local->validate_count == 0) { - stub = local->stub; - local->stub = NULL; - } - - local->link_count = 0; - } - UNLOCK (&local->lock); - - if (stub != NULL) { - call_resume (stub); - } - return 0; + err: QUOTA_STACK_UNWIND (mkdir, frame, -1, op_errno, NULL, NULL, NULL, NULL, NULL); return 0; + +wind: + STACK_WIND (frame, + priv->is_quota_on? quota_mkdir_cbk: default_mkdir_cbk, + FIRST_CHILD(this), FIRST_CHILD(this)->fops->mkdir, loc, + mode, umask, xdata); + + return 0; } @@ -1104,7 +1383,7 @@ quota_create_cbk (call_frame_t *frame, void *cookie, xlator_t *this, goto unwind; } - ret = quota_inode_ctx_get (inode, -1, this, NULL, buf, &ctx, 1); + ret = quota_inode_ctx_get (inode, this, &ctx, 1); if ((ret == -1) || (ctx == NULL)) { gf_log (this->name, GF_LOG_WARNING, "cannot create quota " "context in inode(gfid:%s)", @@ -1147,8 +1426,12 @@ quota_create_helper (call_frame_t *frame, xlator_t *this, loc_t *loc, { quota_local_t *local = NULL; int32_t op_errno = EINVAL; + quota_priv_t *priv = NULL; local = frame->local; + + priv = this->private; + if (local == NULL) { gf_log (this->name, GF_LOG_WARNING, "local is NULL"); goto unwind; @@ -1159,9 +1442,11 @@ quota_create_helper (call_frame_t *frame, xlator_t *this, loc_t *loc, goto unwind; } - STACK_WIND (frame, quota_create_cbk, FIRST_CHILD(this), - FIRST_CHILD(this)->fops->create, loc, flags, mode, umask, - fd, xdata); + + STACK_WIND (frame, + priv->is_quota_on? quota_create_cbk: default_create_cbk, + FIRST_CHILD (this), FIRST_CHILD (this)->fops->create, loc, + flags, mode, umask, fd, xdata); return 0; unwind: @@ -1175,12 +1460,19 @@ int32_t quota_create (call_frame_t *frame, xlator_t *this, loc_t *loc, int32_t flags, mode_t mode, mode_t umask, fd_t *fd, dict_t *xdata) { - int32_t ret = -1; - quota_local_t *local = NULL; - call_stub_t *stub = NULL; + quota_priv_t *priv = NULL; + int32_t ret = -1; + quota_local_t *local = NULL; + int32_t op_errno = 0; + call_stub_t *stub = NULL; + + priv = this->private; + + WIND_IF_QUOTAOFF (priv->is_quota_on, wind); local = quota_local_new (); if (local == NULL) { + op_errno = ENOMEM; goto err; } @@ -1189,6 +1481,7 @@ quota_create (call_frame_t *frame, xlator_t *this, loc_t *loc, int32_t flags, ret = loc_copy (&local->loc, loc); if (ret) { gf_log (this->name, GF_LOG_WARNING, "loc_copy failed"); + op_errno = ENOMEM; goto err; } @@ -1203,29 +1496,19 @@ quota_create (call_frame_t *frame, xlator_t *this, loc_t *loc, int32_t flags, local->delta = 0; quota_check_limit (frame, loc->parent, this, NULL, NULL); - - stub = NULL; - - LOCK (&local->lock); - { - local->link_count = 0; - if (local->validate_count == 0) { - stub = local->stub; - local->stub = NULL; - } - } - UNLOCK (&local->lock); - - if (stub != NULL) { - call_resume (stub); - } - return 0; err: - QUOTA_STACK_UNWIND (create, frame, -1, ENOMEM, NULL, NULL, NULL, NULL, - NULL, NULL); + QUOTA_STACK_UNWIND (create, frame, -1, op_errno, NULL, NULL, NULL, + NULL, NULL, NULL); return 0; + +wind: + STACK_WIND (frame, + priv->is_quota_on? quota_create_cbk: default_create_cbk, + FIRST_CHILD (this), FIRST_CHILD (this)->fops->create, loc, + flags, mode, umask, fd, xdata); + return 0; } @@ -1237,6 +1520,8 @@ quota_unlink_cbk (call_frame_t *frame, void *cookie, xlator_t *this, quota_local_t *local = NULL; quota_inode_ctx_t *ctx = NULL; uint64_t value = 0; + quota_dentry_t *dentry = NULL; + quota_dentry_t *old_dentry = NULL; if (op_ret < 0) { goto out; @@ -1254,9 +1539,26 @@ quota_unlink_cbk (call_frame_t *frame, void *cookie, xlator_t *this, goto out; } - quota_update_size (this, local->loc.inode, (char *)local->loc.name, - local->loc.parent->gfid, - (-(ctx->buf.ia_blocks * 512))); + if (!local->skip_check) + quota_update_size (this, local->loc.inode, + (char *)local->loc.name, + local->loc.parent->gfid, + (-(ctx->buf.ia_blocks * 512))); + + LOCK (&ctx->lock); + { + list_for_each_entry (dentry, &ctx->parents, next) { + if ((strcmp (dentry->name, local->loc.name) == 0) && + (uuid_compare (local->loc.parent->gfid, + dentry->par) == 0)) { + old_dentry = dentry; + break; + } + } + if (old_dentry) + __quota_dentry_free (old_dentry); + } + UNLOCK (&ctx->lock); out: QUOTA_STACK_UNWIND (unlink, frame, op_ret, op_errno, preparent, @@ -1269,9 +1571,14 @@ int32_t quota_unlink (call_frame_t *frame, xlator_t *this, loc_t *loc, int xflag, dict_t *xdata) { - int32_t ret = 0; + quota_priv_t *priv = NULL; + int32_t ret = -1; quota_local_t *local = NULL; + priv = this->private; + + WIND_IF_QUOTAOFF (priv->is_quota_on, wind); + local = quota_local_new (); if (local == NULL) { goto err; @@ -1279,14 +1586,21 @@ quota_unlink (call_frame_t *frame, xlator_t *this, loc_t *loc, int xflag, frame->local = local; + if (xdata && dict_get (xdata, GLUSTERFS_INTERNAL_FOP_KEY)) { + local->skip_check = _gf_true; + } + ret = loc_copy (&local->loc, loc); if (ret) { gf_log (this->name, GF_LOG_WARNING, "loc_copy failed"); goto err; } - STACK_WIND (frame, quota_unlink_cbk, FIRST_CHILD(this), - FIRST_CHILD(this)->fops->unlink, loc, xflag, xdata); +wind: + STACK_WIND (frame, + priv->is_quota_on? quota_unlink_cbk: default_unlink_cbk, + FIRST_CHILD(this), FIRST_CHILD(this)->fops->unlink, loc, + xflag, xdata); ret = 0; @@ -1317,16 +1631,19 @@ quota_link_cbk (call_frame_t *frame, void *cookie, xlator_t *this, local = (quota_local_t *) frame->local; + if (local->skip_check) + goto out; + quota_update_size (this, local->loc.parent, NULL, NULL, (buf->ia_blocks * 512)); - ret = quota_inode_ctx_get (inode, -1, this, NULL, NULL, &ctx, 0); + ret = quota_inode_ctx_get (inode, this, &ctx, 0); if ((ret == -1) || (ctx == NULL)) { - gf_log (this->name, GF_LOG_WARNING, "cannot find quota " - "context in %s (gfid:%s)", local->loc.path, + gf_log (this->name, GF_LOG_DEBUG, "quota context is NULL on " + "inode (%s). " + "If quota is not enabled recently and crawler has " + "finished crawling, its an error", uuid_utoa (inode->gfid)); - op_ret = -1; - op_errno = EINVAL; goto out; } @@ -1380,6 +1697,9 @@ quota_link_helper (call_frame_t *frame, xlator_t *this, loc_t *oldloc, { quota_local_t *local = NULL; int32_t op_errno = EINVAL; + quota_priv_t *priv = NULL; + + priv = this->private; local = frame->local; if (local == NULL) { @@ -1393,8 +1713,9 @@ quota_link_helper (call_frame_t *frame, xlator_t *this, loc_t *oldloc, goto unwind; } - STACK_WIND (frame, quota_link_cbk, FIRST_CHILD(this), - FIRST_CHILD(this)->fops->link, oldloc, newloc, xdata); + STACK_WIND (frame, priv->is_quota_on? quota_link_cbk: default_link_cbk, + FIRST_CHILD(this), FIRST_CHILD(this)->fops->link, oldloc, + newloc, xdata); return 0; unwind: @@ -1408,10 +1729,24 @@ int32_t quota_link (call_frame_t *frame, xlator_t *this, loc_t *oldloc, loc_t *newloc, dict_t *xdata) { + quota_priv_t *priv = NULL; int32_t ret = -1, op_errno = ENOMEM; quota_local_t *local = NULL; + quota_inode_ctx_t *ctx = NULL; call_stub_t *stub = NULL; - quota_inode_ctx_t *ctx = NULL; + + priv = this->private; + + WIND_IF_QUOTAOFF (priv->is_quota_on, wind); + + quota_inode_ctx_get (oldloc->inode, this, &ctx, 0); + if (ctx == NULL) { + gf_log (this->name, GF_LOG_DEBUG, "quota context is NULL on " + "inode (%s). " + "If quota is not enabled recently and crawler has " + "finished crawling, its an error", + uuid_utoa (oldloc->inode->gfid)); + } local = quota_local_new (); if (local == NULL) { @@ -1420,6 +1755,11 @@ quota_link (call_frame_t *frame, xlator_t *this, loc_t *oldloc, loc_t *newloc, frame->local = (void *) local; + if (xdata && dict_get (xdata, GLUSTERFS_INTERNAL_FOP_KEY)) { + local->skip_check = _gf_true; + goto wind; + } + ret = loc_copy (&local->loc, newloc); if (ret == -1) { gf_log (this->name, GF_LOG_WARNING, "loc_copy failed"); @@ -1433,46 +1773,22 @@ quota_link (call_frame_t *frame, xlator_t *this, loc_t *oldloc, loc_t *newloc, local->link_count = 1; local->stub = stub; - - ret = quota_inode_ctx_get (oldloc->inode, -1, this, NULL, NULL, &ctx, - 0); - if (ctx == NULL) { - gf_log (this->name, GF_LOG_WARNING, - "quota context not set in inode (gfid:%s)", - oldloc->inode ? uuid_utoa (oldloc->inode->gfid) : "0"); - op_errno = EINVAL; - goto err; - } - - local->delta = ctx->buf.ia_blocks * 512; + local->delta = (ctx != NULL) ? ctx->buf.ia_blocks * 512 : 0; quota_check_limit (frame, newloc->parent, this, NULL, NULL); + return 0; - stub = NULL; - - LOCK (&local->lock); - { - if (local->validate_count == 0) { - stub = local->stub; - local->stub = NULL; - } - - local->link_count = 0; - } - UNLOCK (&local->lock); - - if (stub != NULL) { - call_resume (stub); - } - - ret = 0; err: - if (ret < 0) { - QUOTA_STACK_UNWIND (link, frame, -1, op_errno, NULL, NULL, - NULL, NULL, NULL); - } + QUOTA_STACK_UNWIND (link, frame, -1, op_errno, NULL, NULL, + NULL, NULL, NULL); return 0; + +wind: + STACK_WIND (frame, default_link_cbk, + FIRST_CHILD(this), FIRST_CHILD(this)->fops->link, oldloc, + newloc, xdata); + return 0; } @@ -1484,11 +1800,11 @@ quota_rename_cbk (call_frame_t *frame, void *cookie, xlator_t *this, dict_t *xdata) { int32_t ret = -1; + int64_t size = 0; quota_local_t *local = NULL; quota_inode_ctx_t *ctx = NULL; quota_dentry_t *old_dentry = NULL, *dentry = NULL; char new_dentry_found = 0; - int64_t size = 0; if (op_ret < 0) { goto out; @@ -1508,8 +1824,10 @@ quota_rename_cbk (call_frame_t *frame, void *cookie, xlator_t *this, } if (local->oldloc.parent != local->newloc.parent) { - quota_update_size (this, local->oldloc.parent, NULL, NULL, (-size)); - quota_update_size (this, local->newloc.parent, NULL, NULL, size); + quota_update_size (this, local->oldloc.parent, NULL, NULL, + (-size)); + quota_update_size (this, local->newloc.parent, NULL, NULL, + size); } if (!(IA_ISREG (local->oldloc.inode->ia_type) @@ -1517,14 +1835,14 @@ quota_rename_cbk (call_frame_t *frame, void *cookie, xlator_t *this, goto out; } - ret = quota_inode_ctx_get (local->oldloc.inode, -1, this, NULL, NULL, - &ctx, 0); + ret = quota_inode_ctx_get (local->oldloc.inode, this, &ctx, 0); if ((ret == -1) || (ctx == NULL)) { - gf_log (this->name, GF_LOG_WARNING, "quota context not" - "set in inode(gfid:%s)", + gf_log (this->name, GF_LOG_DEBUG, "quota context is NULL on " + "inode (%s). " + "If quota is not enabled recently and crawler has " + "finished crawling, its an error", uuid_utoa (local->oldloc.inode->gfid)); - op_ret = -1; - op_errno = EINVAL; + goto out; } @@ -1570,7 +1888,8 @@ quota_rename_cbk (call_frame_t *frame, void *cookie, xlator_t *this, if (dentry == NULL) { gf_log (this->name, GF_LOG_WARNING, "cannot create a new dentry (name:%s) " - "for inode(gfid:%s)", local->newloc.name, + "for inode(gfid:%s)", + local->newloc.name, uuid_utoa (local->newloc.inode->gfid)); op_ret = -1; op_errno = ENOMEM; @@ -1597,6 +1916,9 @@ quota_rename_helper (call_frame_t *frame, xlator_t *this, loc_t *oldloc, { quota_local_t *local = NULL; int32_t op_errno = EINVAL; + quota_priv_t *priv = NULL; + + priv = this->private; local = frame->local; if (local == NULL) { @@ -1610,8 +1932,11 @@ quota_rename_helper (call_frame_t *frame, xlator_t *this, loc_t *oldloc, goto unwind; } - STACK_WIND (frame, quota_rename_cbk, FIRST_CHILD(this), - FIRST_CHILD(this)->fops->rename, oldloc, newloc, xdata); + STACK_WIND (frame, + priv->is_quota_on? quota_rename_cbk: default_rename_cbk, + FIRST_CHILD(this), FIRST_CHILD(this)->fops->rename, oldloc, + newloc, xdata); + return 0; unwind: @@ -1625,10 +1950,15 @@ int32_t quota_rename (call_frame_t *frame, xlator_t *this, loc_t *oldloc, loc_t *newloc, dict_t *xdata) { - int32_t ret = -1, op_errno = ENOMEM; - quota_local_t *local = NULL; - call_stub_t *stub = NULL; - quota_inode_ctx_t *ctx = NULL; + quota_priv_t *priv = NULL; + int32_t ret = -1, op_errno = ENOMEM; + quota_local_t *local = NULL; + quota_inode_ctx_t *ctx = NULL; + call_stub_t *stub = NULL; + + priv = this->private; + + WIND_IF_QUOTAOFF (priv->is_quota_on, wind); local = quota_local_new (); if (local == NULL) { @@ -1660,46 +1990,34 @@ quota_rename (call_frame_t *frame, xlator_t *this, loc_t *oldloc, if (IA_ISREG (oldloc->inode->ia_type) || IA_ISLNK (oldloc->inode->ia_type)) { - ret = quota_inode_ctx_get (oldloc->inode, -1, this, NULL, NULL, - &ctx, 0); + ret = quota_inode_ctx_get (oldloc->inode, this, &ctx, 0); if (ctx == NULL) { gf_log (this->name, GF_LOG_WARNING, - "quota context not set in inode (gfid:%s)", + "quota context not set in inode (gfid:%s), " + "considering file size as zero while enforcing " + "quota on new ancestry", oldloc->inode ? uuid_utoa (oldloc->inode->gfid) : "0"); - op_errno = EINVAL; - goto err; + local->delta = 0; + } else { + local->delta = ctx->buf.ia_blocks * 512; } - local->delta = ctx->buf.ia_blocks * 512; } else { local->delta = 0; } quota_check_limit (frame, newloc->parent, this, NULL, NULL); + return 0; - stub = NULL; - - LOCK (&local->lock); - { - if (local->validate_count == 0) { - stub = local->stub; - local->stub = NULL; - } - - local->link_count = 0; - } - UNLOCK (&local->lock); - - if (stub != NULL) { - call_resume (stub); - } - - ret = 0; err: - if (ret == -1) { - QUOTA_STACK_UNWIND (rename, frame, -1, op_errno, NULL, - NULL, NULL, NULL, NULL, NULL); - } + QUOTA_STACK_UNWIND (rename, frame, -1, op_errno, NULL, + NULL, NULL, NULL, NULL, NULL); + return 0; + +wind: + STACK_WIND (frame, default_rename_cbk, + FIRST_CHILD(this), FIRST_CHILD(this)->fops->rename, oldloc, + newloc, xdata); return 0; } @@ -1725,12 +2043,14 @@ quota_symlink_cbk (call_frame_t *frame, void *cookie, xlator_t *this, quota_update_size (this, local->loc.parent, NULL, NULL, size); - quota_inode_ctx_get (local->loc.inode, -1, this, NULL, NULL, - &ctx, 1); + quota_inode_ctx_get (local->loc.inode, this, &ctx, 1); if (ctx == NULL) { - gf_log (this->name, GF_LOG_WARNING, - "quota context not set in inode (gfid:%s)", + gf_log (this->name, GF_LOG_DEBUG, "quota context is NULL on " + "inode (%s). " + "If quota is not enabled recently and crawler has " + "finished crawling, its an error", uuid_utoa (local->loc.inode->gfid)); + goto out; } @@ -1765,6 +2085,7 @@ quota_symlink_helper (call_frame_t *frame, xlator_t *this, const char *linkpath, { quota_local_t *local = NULL; int32_t op_errno = EINVAL; + quota_priv_t *priv = NULL; local = frame->local; if (local == NULL) { @@ -1772,14 +2093,17 @@ quota_symlink_helper (call_frame_t *frame, xlator_t *this, const char *linkpath, goto unwind; } + priv = this->private; + if (local->op_ret == -1) { op_errno = local->op_errno; goto unwind; } - STACK_WIND (frame, quota_symlink_cbk, FIRST_CHILD(this), - FIRST_CHILD(this)->fops->symlink, linkpath, loc, umask, - xdata); + STACK_WIND (frame, + priv->is_quota_on? quota_symlink_cbk: default_symlink_cbk, + FIRST_CHILD(this), FIRST_CHILD(this)->fops->symlink, + linkpath, loc, umask, xdata); return 0; unwind: @@ -1793,10 +2117,15 @@ int quota_symlink (call_frame_t *frame, xlator_t *this, const char *linkpath, loc_t *loc, mode_t umask, dict_t *xdata) { - int32_t ret = -1; - int32_t op_errno = ENOMEM; - quota_local_t *local = NULL; - call_stub_t *stub = NULL; + quota_priv_t *priv = NULL; + int32_t ret = -1; + int32_t op_errno = ENOMEM; + quota_local_t *local = NULL; + call_stub_t *stub = NULL; + + priv = this->private; + + WIND_IF_QUOTAOFF (priv->is_quota_on, wind); local = quota_local_new (); if (local == NULL) { @@ -1811,8 +2140,6 @@ quota_symlink (call_frame_t *frame, xlator_t *this, const char *linkpath, goto err; } - local->link_count = 1; - stub = fop_symlink_stub (frame, quota_symlink_helper, linkpath, loc, umask, xdata); if (stub == NULL) { @@ -1821,26 +2148,9 @@ quota_symlink (call_frame_t *frame, xlator_t *this, const char *linkpath, local->stub = stub; local->delta = strlen (linkpath); + local->link_count = 1; quota_check_limit (frame, loc->parent, this, NULL, NULL); - - stub = NULL; - - LOCK (&local->lock); - { - if (local->validate_count == 0) { - stub = local->stub; - local->stub = NULL; - } - - local->link_count = 0; - } - UNLOCK (&local->lock); - - if (stub != NULL) { - call_resume (stub); - } - return 0; err: @@ -1848,6 +2158,13 @@ err: NULL, NULL); return 0; + +wind: + STACK_WIND (frame, + priv->is_quota_on? quota_symlink_cbk: default_symlink_cbk, + FIRST_CHILD(this), FIRST_CHILD(this)->fops->symlink, + linkpath, loc, umask, xdata); + return 0; } @@ -1857,8 +2174,8 @@ quota_truncate_cbk (call_frame_t *frame, void *cookie, xlator_t *this, struct iatt *postbuf, dict_t *xdata) { quota_local_t *local = NULL; - int64_t delta = 0; quota_inode_ctx_t *ctx = NULL; + int64_t delta = 0; if (op_ret < 0) { goto out; @@ -1874,11 +2191,12 @@ quota_truncate_cbk (call_frame_t *frame, void *cookie, xlator_t *this, quota_update_size (this, local->loc.inode, NULL, NULL, delta); - quota_inode_ctx_get (local->loc.inode, -1, this, NULL, NULL, - &ctx, 0); + quota_inode_ctx_get (local->loc.inode, this, &ctx, 0); if (ctx == NULL) { - gf_log (this->name, GF_LOG_WARNING, - "quota context not set in inode (gfid:%s)", + gf_log (this->name, GF_LOG_DEBUG, "quota context is NULL on " + "inode (%s). " + "If quota is not enabled recently and crawler has " + "finished crawling, its an error", uuid_utoa (local->loc.inode->gfid)); goto out; } @@ -1900,9 +2218,15 @@ int32_t quota_truncate (call_frame_t *frame, xlator_t *this, loc_t *loc, off_t offset, dict_t *xdata) { + quota_priv_t *priv = NULL; int32_t ret = -1; quota_local_t *local = NULL; + priv = this->private; + + WIND_IF_QUOTAOFF (priv->is_quota_on, wind); + + local = quota_local_new (); if (local == NULL) { goto err; @@ -1916,8 +2240,11 @@ quota_truncate (call_frame_t *frame, xlator_t *this, loc_t *loc, off_t offset, goto err; } - STACK_WIND (frame, quota_truncate_cbk, FIRST_CHILD(this), - FIRST_CHILD(this)->fops->truncate, loc, offset, xdata); +wind: + STACK_WIND (frame, + priv->is_quota_on? quota_truncate_cbk: default_truncate_cbk, + FIRST_CHILD(this), FIRST_CHILD(this)->fops->truncate, loc, + offset, xdata); return 0; err: @@ -1933,8 +2260,8 @@ quota_ftruncate_cbk (call_frame_t *frame, void *cookie, xlator_t *this, struct iatt *postbuf, dict_t *xdata) { quota_local_t *local = NULL; - int64_t delta = 0; quota_inode_ctx_t *ctx = NULL; + int64_t delta = 0; if (op_ret < 0) { goto out; @@ -1950,11 +2277,12 @@ quota_ftruncate_cbk (call_frame_t *frame, void *cookie, xlator_t *this, quota_update_size (this, local->loc.inode, NULL, NULL, delta); - quota_inode_ctx_get (local->loc.inode, -1, this, NULL, NULL, - &ctx, 0); + quota_inode_ctx_get (local->loc.inode, this, &ctx, 0); if (ctx == NULL) { - gf_log (this->name, GF_LOG_WARNING, - "quota context not set in inode (gfid:%s)", + gf_log (this->name, GF_LOG_DEBUG, "quota context is NULL on " + "inode (%s). " + "If quota is not enabled recently and crawler has " + "finished crawling, its an error", uuid_utoa (local->loc.inode->gfid)); goto out; } @@ -1976,8 +2304,13 @@ int32_t quota_ftruncate (call_frame_t *frame, xlator_t *this, fd_t *fd, off_t offset, dict_t *xdata) { + quota_priv_t *priv = NULL; quota_local_t *local = NULL; + priv = this->private; + + WIND_IF_QUOTAOFF (priv->is_quota_on, wind); + local = quota_local_new (); if (local == NULL) goto err; @@ -1986,8 +2319,11 @@ quota_ftruncate (call_frame_t *frame, xlator_t *this, fd_t *fd, off_t offset, local->loc.inode = inode_ref (fd->inode); - STACK_WIND (frame, quota_ftruncate_cbk, FIRST_CHILD(this), - FIRST_CHILD(this)->fops->ftruncate, fd, offset, xdata); +wind: + STACK_WIND (frame, priv->is_quota_on? + quota_ftruncate_cbk: default_ftruncate_cbk, + FIRST_CHILD(this), FIRST_CHILD(this)->fops->ftruncate, fd, + offset, xdata); return 0; err: @@ -2006,14 +2342,23 @@ quota_send_dir_limit_to_cli (call_frame_t *frame, xlator_t *this, dict_t *dict = NULL; quota_inode_ctx_t *ctx = NULL; uint64_t value = 0; + quota_priv_t *priv = NULL; + + priv = this->private; + if (!priv->is_quota_on) { + snprintf (dir_limit, 1024, "Quota is disabled please turn on"); + goto dict_set; + } ret = inode_ctx_get (inode, this, &value); if (ret < 0) goto out; ctx = (quota_inode_ctx_t *)(unsigned long)value; - snprintf (dir_limit, 1024, "%"PRId64",%"PRId64, ctx->size, ctx->limit); + snprintf (dir_limit, 1024, "%"PRId64",%"PRId64, ctx->size, + ctx->hard_lim); +dict_set: dict = dict_new (); if (dict == NULL) { ret = -1; @@ -2024,7 +2369,7 @@ quota_send_dir_limit_to_cli (call_frame_t *frame, xlator_t *this, if (ret < 0) goto out; - gf_log (this->name, GF_LOG_INFO, "str = %s", dir_limit); + gf_log (this->name, GF_LOG_DEBUG, "str = %s", dir_limit); QUOTA_STACK_UNWIND (getxattr, frame, 0, 0, dict, NULL); @@ -2076,7 +2421,8 @@ quota_getxattr (call_frame_t *frame, xlator_t *this, loc_t *loc, int32_t quota_stat_cbk (call_frame_t *frame, void *cookie, xlator_t *this, - int32_t op_ret, int32_t op_errno, struct iatt *buf, dict_t *xdata) + int32_t op_ret, int32_t op_errno, struct iatt *buf, + dict_t *xdata) { quota_local_t *local = NULL; quota_inode_ctx_t *ctx = NULL; @@ -2091,12 +2437,17 @@ quota_stat_cbk (call_frame_t *frame, void *cookie, xlator_t *this, goto out; } - quota_inode_ctx_get (local->loc.inode, -1, this, NULL, NULL, - &ctx, 0); + quota_inode_ctx_get (local->loc.inode, this, &ctx, 0); if (ctx == NULL) { - gf_log (this->name, GF_LOG_DEBUG, - "quota context not set in inode (gfid:%s)", - uuid_utoa (local->loc.inode->gfid)); + if (!IA_ISDIR (buf->ia_type)) { + gf_log (this->name, GF_LOG_DEBUG, + "quota context is NULL on " + "inode (%s). " + "If quota is not enabled recently and crawler " + "has finished crawling, its an error", + uuid_utoa (local->loc.inode->gfid)); + } + goto out; } @@ -2116,9 +2467,15 @@ out: int32_t quota_stat (call_frame_t *frame, xlator_t *this, loc_t *loc, dict_t *xdata) { + quota_priv_t *priv = NULL; quota_local_t *local = NULL; int32_t ret = -1; + priv = this->private; + + WIND_IF_QUOTAOFF (priv->is_quota_on, wind); + + local = quota_local_new (); if (local == NULL) { goto unwind; @@ -2131,8 +2488,10 @@ quota_stat (call_frame_t *frame, xlator_t *this, loc_t *loc, dict_t *xdata) goto unwind; } - STACK_WIND (frame, quota_stat_cbk, FIRST_CHILD(this), - FIRST_CHILD(this)->fops->stat, loc, xdata); +wind: + STACK_WIND (frame, priv->is_quota_on? quota_stat_cbk: default_stat_cbk, + FIRST_CHILD(this), FIRST_CHILD(this)->fops->stat, loc, + xdata); return 0; unwind: @@ -2159,12 +2518,17 @@ quota_fstat_cbk (call_frame_t *frame, void *cookie, xlator_t *this, goto out; } - quota_inode_ctx_get (local->loc.inode, -1, this, NULL, NULL, - &ctx, 0); + quota_inode_ctx_get (local->loc.inode, this, &ctx, 0); if (ctx == NULL) { - gf_log (this->name, GF_LOG_WARNING, - "quota context not set in inode (gfid:%s)", - uuid_utoa (local->loc.inode->gfid)); + if (!IA_ISDIR (buf->ia_type)) { + gf_log (this->name, GF_LOG_DEBUG, + "quota context is NULL on " + "inode (%s). " + "If quota is not enabled recently and crawler " + "has finished crawling, its an error", + uuid_utoa (local->loc.inode->gfid)); + } + goto out; } @@ -2184,8 +2548,13 @@ out: int32_t quota_fstat (call_frame_t *frame, xlator_t *this, fd_t *fd, dict_t *xdata) { + quota_priv_t *priv = NULL; quota_local_t *local = NULL; + priv = this->private; + + WIND_IF_QUOTAOFF (priv->is_quota_on, wind); + local = quota_local_new (); if (local == NULL) { goto unwind; @@ -2195,8 +2564,11 @@ quota_fstat (call_frame_t *frame, xlator_t *this, fd_t *fd, dict_t *xdata) local->loc.inode = inode_ref (fd->inode); - STACK_WIND (frame, quota_fstat_cbk, FIRST_CHILD(this), - FIRST_CHILD(this)->fops->fstat, fd, xdata); +wind: + STACK_WIND (frame, + priv->is_quota_on? quota_fstat_cbk: default_fstat_cbk, + FIRST_CHILD(this), FIRST_CHILD(this)->fops->fstat, fd, + xdata); return 0; unwind: @@ -2223,11 +2595,12 @@ quota_readlink_cbk (call_frame_t *frame, void *cookie, xlator_t *this, goto out; } - quota_inode_ctx_get (local->loc.inode, -1, this, NULL, NULL, - &ctx, 0); + quota_inode_ctx_get (local->loc.inode, this, &ctx, 0); if (ctx == NULL) { - gf_log (this->name, GF_LOG_WARNING, - "quota context not set in inode (gfid:%s)", + gf_log (this->name, GF_LOG_DEBUG, "quota context is NULL on " + "inode (%s). " + "If quota is not enabled recently and crawler has " + "finished crawling, its an error", uuid_utoa (local->loc.inode->gfid)); goto out; } @@ -2239,7 +2612,8 @@ quota_readlink_cbk (call_frame_t *frame, void *cookie, xlator_t *this, UNLOCK (&ctx->lock); out: - QUOTA_STACK_UNWIND (readlink, frame, op_ret, op_errno, path, buf, xdata); + QUOTA_STACK_UNWIND (readlink, frame, op_ret, op_errno, path, buf, + xdata); return 0; } @@ -2248,9 +2622,14 @@ int32_t quota_readlink (call_frame_t *frame, xlator_t *this, loc_t *loc, size_t size, dict_t *xdata) { + quota_priv_t *priv = NULL; quota_local_t *local = NULL; int32_t ret = -1; + priv = this->private; + + WIND_IF_QUOTAOFF (priv->is_quota_on, wind); + local = quota_local_new (); if (local == NULL) { goto unwind; @@ -2264,8 +2643,11 @@ quota_readlink (call_frame_t *frame, xlator_t *this, loc_t *loc, size_t size, goto unwind; } - STACK_WIND (frame, quota_readlink_cbk, FIRST_CHILD(this), - FIRST_CHILD(this)->fops->readlink, loc, size, xdata); +wind: + STACK_WIND (frame, priv->is_quota_on? + quota_readlink_cbk: default_readlink_cbk, + FIRST_CHILD(this), FIRST_CHILD(this)->fops->readlink, loc, + size, xdata); return 0; unwind: @@ -2293,11 +2675,12 @@ quota_readv_cbk (call_frame_t *frame, void *cookie, xlator_t *this, goto out; } - quota_inode_ctx_get (local->loc.inode, -1, this, NULL, NULL, - &ctx, 0); + quota_inode_ctx_get (local->loc.inode, this, &ctx, 0); if (ctx == NULL) { - gf_log (this->name, GF_LOG_WARNING, - "quota context not set in inode (gfid:%s)", + gf_log (this->name, GF_LOG_DEBUG, "quota context is NULL on " + "inode (%s). " + "If quota is not enabled recently and crawler has " + "finished crawling, its an error", uuid_utoa (local->loc.inode->gfid)); goto out; } @@ -2319,8 +2702,13 @@ int32_t quota_readv (call_frame_t *frame, xlator_t *this, fd_t *fd, size_t size, off_t offset, uint32_t flags, dict_t *xdata) { + quota_priv_t *priv = NULL; quota_local_t *local = NULL; + priv = this->private; + + WIND_IF_QUOTAOFF (priv->is_quota_on, wind); + local = quota_local_new (); if (local == NULL) { goto unwind; @@ -2330,13 +2718,16 @@ quota_readv (call_frame_t *frame, xlator_t *this, fd_t *fd, size_t size, local->loc.inode = inode_ref (fd->inode); - STACK_WIND (frame, quota_readv_cbk, FIRST_CHILD(this), - FIRST_CHILD(this)->fops->readv, fd, size, offset, flags, - xdata); +wind: + STACK_WIND (frame, + priv->is_quota_on? quota_readv_cbk: default_readv_cbk, + FIRST_CHILD(this), FIRST_CHILD(this)->fops->readv, fd, + size, offset, flags, xdata); return 0; unwind: - QUOTA_STACK_UNWIND (readv, frame, -1, ENOMEM, NULL, -1, NULL, NULL, NULL); + QUOTA_STACK_UNWIND (readv, frame, -1, ENOMEM, NULL, -1, NULL, NULL, + NULL); return 0; } @@ -2359,11 +2750,12 @@ quota_fsync_cbk (call_frame_t *frame, void *cookie, xlator_t *this, goto out; } - quota_inode_ctx_get (local->loc.inode, -1, this, NULL, NULL, - &ctx, 0); + quota_inode_ctx_get (local->loc.inode, this, &ctx, 0); if (ctx == NULL) { - gf_log (this->name, GF_LOG_WARNING, - "quota context not set in inode (gfid:%s)", + gf_log (this->name, GF_LOG_DEBUG, "quota context is NULL on " + "inode (%s). " + "If quota is not enabled recently and crawler has " + "finished crawling, its an error", uuid_utoa (local->loc.inode->gfid)); goto out; } @@ -2385,8 +2777,13 @@ int32_t quota_fsync (call_frame_t *frame, xlator_t *this, fd_t *fd, int32_t flags, dict_t *xdata) { + quota_priv_t *priv = NULL; quota_local_t *local = NULL; + priv = this->private; + + WIND_IF_QUOTAOFF (priv->is_quota_on, wind); + local = quota_local_new (); if (local == NULL) { goto unwind; @@ -2396,8 +2793,11 @@ quota_fsync (call_frame_t *frame, xlator_t *this, fd_t *fd, int32_t flags, frame->local = local; - STACK_WIND (frame, quota_fsync_cbk, FIRST_CHILD(this), - FIRST_CHILD(this)->fops->fsync, fd, flags, xdata); +wind: + STACK_WIND (frame, + priv->is_quota_on? quota_fsync_cbk: default_fsync_cbk, + FIRST_CHILD(this), FIRST_CHILD(this)->fops->fsync, fd, + flags, xdata); return 0; unwind: @@ -2425,12 +2825,16 @@ quota_setattr_cbk (call_frame_t *frame, void *cookie, xlator_t *this, goto out; } - quota_inode_ctx_get (local->loc.inode, -1, this, NULL, NULL, - &ctx, 0); + quota_inode_ctx_get (local->loc.inode, this, &ctx, 0); if (ctx == NULL) { - gf_log (this->name, GF_LOG_DEBUG, - "quota context not set in inode (gfid:%s)", - uuid_utoa (local->loc.inode->gfid)); + if (!IA_ISDIR (statpost->ia_type)) { + gf_log (this->name, GF_LOG_DEBUG, "quota context is " + "NULL on inode (%s). " + "If quota is not enabled recently and crawler " + "has finished crawling, its an error", + uuid_utoa (local->loc.inode->gfid)); + } + goto out; } @@ -2452,9 +2856,14 @@ int32_t quota_setattr (call_frame_t *frame, xlator_t *this, loc_t *loc, struct iatt *stbuf, int32_t valid, dict_t *xdata) { + quota_priv_t *priv = NULL; quota_local_t *local = NULL; int32_t ret = -1; + priv = this->private; + + WIND_IF_QUOTAOFF (priv->is_quota_on, wind); + local = quota_local_new (); if (local == NULL) { goto unwind; @@ -2468,8 +2877,11 @@ quota_setattr (call_frame_t *frame, xlator_t *this, loc_t *loc, goto unwind; } - STACK_WIND (frame, quota_setattr_cbk, FIRST_CHILD (this), - FIRST_CHILD (this)->fops->setattr, loc, stbuf, valid, xdata); +wind: + STACK_WIND (frame, + priv->is_quota_on? quota_setattr_cbk: default_setattr_cbk, + FIRST_CHILD (this), FIRST_CHILD (this)->fops->setattr, loc, + stbuf, valid, xdata); return 0; unwind: @@ -2496,12 +2908,16 @@ quota_fsetattr_cbk (call_frame_t *frame, void *cookie, xlator_t *this, goto out; } - quota_inode_ctx_get (local->loc.inode, -1, this, NULL, NULL, - &ctx, 0); + quota_inode_ctx_get (local->loc.inode, this, &ctx, 0); if (ctx == NULL) { - gf_log (this->name, GF_LOG_WARNING, - "quota context not set in inode (gfid:%s)", - uuid_utoa (local->loc.inode->gfid)); + if (!IA_ISDIR (statpost->ia_type)) { + gf_log (this->name, GF_LOG_DEBUG, "quota context is " + "NULL on inode (%s). " + "If quota is not enabled recently and crawler " + "has finished crawling, its an error", + uuid_utoa (local->loc.inode->gfid)); + } + goto out; } @@ -2522,8 +2938,14 @@ int32_t quota_fsetattr (call_frame_t *frame, xlator_t *this, fd_t *fd, struct iatt *stbuf, int32_t valid, dict_t *xdata) { + quota_priv_t *priv = NULL; quota_local_t *local = NULL; + priv = this->private; + + WIND_IF_QUOTAOFF (priv->is_quota_on, wind); + + local = quota_local_new (); if (local == NULL) { goto unwind; @@ -2533,8 +2955,11 @@ quota_fsetattr (call_frame_t *frame, xlator_t *this, fd_t *fd, local->loc.inode = inode_ref (fd->inode); - STACK_WIND (frame, quota_fsetattr_cbk, FIRST_CHILD (this), - FIRST_CHILD (this)->fops->fsetattr, fd, stbuf, valid, xdata); +wind: + STACK_WIND (frame, + priv->is_quota_on? quota_fsetattr_cbk: default_fsetattr_cbk, + FIRST_CHILD (this), FIRST_CHILD (this)->fops->fsetattr, fd, + stbuf, valid, xdata); return 0; unwind: @@ -2559,7 +2984,7 @@ quota_mknod_cbk (call_frame_t *frame, void *cookie, xlator_t *this, goto unwind; } - ret = quota_inode_ctx_get (inode, -1, this, NULL, buf, &ctx, 1); + ret = quota_inode_ctx_get (inode, this, &ctx, 1); if ((ret == -1) || (ctx == NULL)) { gf_log (this->name, GF_LOG_WARNING, "cannot create quota " "context in inode (gfid:%s)", uuid_utoa (inode->gfid)); @@ -2600,6 +3025,7 @@ quota_mknod_helper (call_frame_t *frame, xlator_t *this, loc_t *loc, { quota_local_t *local = NULL; int32_t op_errno = EINVAL; + quota_priv_t *priv = NULL; local = frame->local; if (local == NULL) { @@ -2607,14 +3033,17 @@ quota_mknod_helper (call_frame_t *frame, xlator_t *this, loc_t *loc, goto unwind; } + priv = this->private; + if (local->op_ret == -1) { op_errno = local->op_errno; goto unwind; } - STACK_WIND (frame, quota_mknod_cbk, FIRST_CHILD(this), - FIRST_CHILD(this)->fops->mknod, loc, mode, rdev, umask, - xdata); + STACK_WIND (frame, + priv->is_quota_on? quota_mknod_cbk: default_mknod_cbk, + FIRST_CHILD(this), FIRST_CHILD(this)->fops->mknod, loc, + mode, rdev, umask, xdata); return 0; @@ -2629,9 +3058,14 @@ int quota_mknod (call_frame_t *frame, xlator_t *this, loc_t *loc, mode_t mode, dev_t rdev, mode_t umask, dict_t *xdata) { - int32_t ret = -1; - quota_local_t *local = NULL; - call_stub_t *stub = NULL; + quota_priv_t *priv = NULL; + int32_t ret = -1; + quota_local_t *local = NULL; + call_stub_t *stub = NULL; + + priv = this->private; + + WIND_IF_QUOTAOFF (priv->is_quota_on, wind); local = quota_local_new (); if (local == NULL) { @@ -2657,35 +3091,49 @@ quota_mknod (call_frame_t *frame, xlator_t *this, loc_t *loc, mode_t mode, local->delta = 0; quota_check_limit (frame, loc->parent, this, NULL, NULL); - - stub = NULL; - - LOCK (&local->lock); - { - local->link_count = 0; - if (local->validate_count == 0) { - stub = local->stub; - local->stub = NULL; - } - } - UNLOCK (&local->lock); - - if (stub != NULL) { - call_resume (stub); - } - return 0; err: QUOTA_STACK_UNWIND (mknod, frame, -1, ENOMEM, NULL, NULL, NULL, NULL, NULL); return 0; + +wind: + STACK_WIND (frame, + priv->is_quota_on? quota_mknod_cbk: default_mknod_cbk, + FIRST_CHILD(this), FIRST_CHILD(this)->fops->mknod, loc, + mode, rdev, umask, xdata); + + return 0; + } int quota_setxattr_cbk (call_frame_t *frame, void *cookie, xlator_t *this, int op_ret, int op_errno, dict_t *xdata) { + quota_local_t *local = NULL; + quota_inode_ctx_t *ctx = NULL; + int ret = 0; + + local = frame->local; + if (!local) + goto out; + + ret = quota_inode_ctx_get (local->loc.inode, this, &ctx, 1); + if ((ret < 0) || (ctx == NULL)) { + op_errno = ENOMEM; + goto out; + } + + LOCK (&ctx->lock); + { + ctx->hard_lim = local->limit.hard_lim; + ctx->soft_lim = local->limit.soft_lim_percent; + } + UNLOCK (&ctx->lock); + +out: QUOTA_STACK_UNWIND (setxattr, frame, op_ret, op_errno, xdata); return 0; } @@ -2694,20 +3142,70 @@ int quota_setxattr (call_frame_t *frame, xlator_t *this, loc_t *loc, dict_t *dict, int flags, dict_t *xdata) { - int op_errno = EINVAL; - int op_ret = -1; + quota_priv_t *priv = NULL; + int op_errno = EINVAL; + int op_ret = -1; + int64_t hard_lim = -1, soft_lim = -1; + quota_local_t *local = NULL; + char *src = NULL; + char *dst = NULL; + int len = 0; + int ret = -1; + + priv = this->private; + + WIND_IF_QUOTAOFF (priv->is_quota_on, wind); VALIDATE_OR_GOTO (frame, err); VALIDATE_OR_GOTO (this, err); VALIDATE_OR_GOTO (loc, err); - GF_IF_INTERNAL_XATTR_GOTO ("trusted.glusterfs.quota*", dict, - op_errno, err); + if (0 <= frame->root->pid) { + ret = dict_get_ptr_and_len (dict, QUOTA_LIMIT_KEY, + (void **)&src, &len); + if (ret) { + gf_log (this->name, GF_LOG_DEBUG, "dict_get on %s " + "failed", QUOTA_LIMIT_KEY); + } else { + dst = GF_CALLOC (len, sizeof (char), gf_common_mt_char); + if (dst) + memcpy (dst, src, len); + } + + GF_REMOVE_INTERNAL_XATTR ("trusted.glusterfs.quota*", + dict); + if (!ret && IA_ISDIR (loc->inode->ia_type) && dst) { + ret = dict_set_dynptr (dict, QUOTA_LIMIT_KEY, + dst, len); + if (ret) + gf_log (this->name, GF_LOG_WARNING, "setting " + "key %s failed", QUOTA_LIMIT_KEY); + else + dst = NULL; + } + } - STACK_WIND (frame, quota_setxattr_cbk, - FIRST_CHILD(this), - FIRST_CHILD(this)->fops->setxattr, - loc, dict, flags, xdata); + quota_get_limits (this, dict, &hard_lim, &soft_lim); + + if (hard_lim > 0) { + local = quota_local_new (); + if (local == NULL) { + op_errno = ENOMEM; + goto err; + } + + frame->local = local; + loc_copy (&local->loc, loc); + + local->limit.hard_lim = hard_lim; + local->limit.soft_lim_percent = soft_lim; + } + +wind: + STACK_WIND (frame, + priv->is_quota_on? quota_setxattr_cbk: default_setxattr_cbk, + FIRST_CHILD(this), FIRST_CHILD(this)->fops->setxattr, loc, + dict, flags, xdata); return 0; err: QUOTA_STACK_UNWIND (setxattr, frame, op_ret, op_errno, NULL); @@ -2718,6 +3216,27 @@ int quota_fsetxattr_cbk (call_frame_t *frame, void *cookie, xlator_t *this, int op_ret, int op_errno, dict_t *xdata) { + quota_inode_ctx_t *ctx = NULL; + quota_local_t *local = NULL; + + local = frame->local; + if (!local) + goto out; + + op_ret = quota_inode_ctx_get (local->loc.inode, this, &ctx, 1); + if ((op_ret < 0) || (ctx == NULL)) { + op_errno = ENOMEM; + goto out; + } + + LOCK (&ctx->lock); + { + ctx->hard_lim = local->limit.hard_lim; + ctx->soft_lim = local->limit.soft_lim_percent; + } + UNLOCK (&ctx->lock); + +out: QUOTA_STACK_UNWIND (fsetxattr, frame, op_ret, op_errno, xdata); return 0; } @@ -2726,20 +3245,40 @@ int quota_fsetxattr (call_frame_t *frame, xlator_t *this, fd_t *fd, dict_t *dict, int flags, dict_t *xdata) { - int32_t op_ret = -1; - int32_t op_errno = EINVAL; + quota_priv_t *priv = NULL; + int32_t op_ret = -1; + int32_t op_errno = EINVAL; + quota_local_t *local = NULL; + int64_t hard_lim = -1, soft_lim = -1; + + priv = this->private; + + WIND_IF_QUOTAOFF (priv->is_quota_on, wind); VALIDATE_OR_GOTO (frame, err); VALIDATE_OR_GOTO (this, err); VALIDATE_OR_GOTO (fd, err); - GF_IF_INTERNAL_XATTR_GOTO ("trusted.glusterfs.quota*", dict, - op_errno, err); + if (0 <= frame->root->pid) + GF_IF_INTERNAL_XATTR_GOTO ("trusted.glusterfs.quota*", dict, + op_errno, err); - STACK_WIND (frame, quota_fsetxattr_cbk, - FIRST_CHILD(this), - FIRST_CHILD(this)->fops->fsetxattr, - fd, dict, flags, xdata); + quota_get_limits (this, dict, &hard_lim, &soft_lim); + + if (hard_lim > 0) { + local = quota_local_new (); + frame->local = local; + local->loc.inode = inode_ref (fd->inode); + + local->limit.hard_lim = hard_lim; + local->limit.soft_lim_percent = soft_lim; + } + +wind: + STACK_WIND (frame, priv->is_quota_on? + quota_fsetxattr_cbk: default_fsetxattr_cbk, + FIRST_CHILD(this), FIRST_CHILD(this)->fops->fsetxattr, fd, + dict, flags, xdata); return 0; err: QUOTA_STACK_UNWIND (fsetxattr, frame, op_ret, op_errno, NULL); @@ -2759,19 +3298,28 @@ int quota_removexattr (call_frame_t *frame, xlator_t *this, loc_t *loc, const char *name, dict_t *xdata) { + quota_priv_t *priv = NULL; int32_t op_errno = EINVAL; + priv = this->private; + + WIND_IF_QUOTAOFF (priv->is_quota_on, wind); + VALIDATE_OR_GOTO (this, err); + /* all quota xattrs can be cleaned up by doing setxattr on special key. + * Hence its ok that we don't allow removexattr on quota keys here. + */ GF_IF_NATIVE_XATTR_GOTO ("trusted.quota*", name, op_errno, err); VALIDATE_OR_GOTO (frame, err); VALIDATE_OR_GOTO (loc, err); - STACK_WIND (frame, quota_removexattr_cbk, - FIRST_CHILD(this), - FIRST_CHILD(this)->fops->removexattr, +wind: + STACK_WIND (frame, priv->is_quota_on? + quota_removexattr_cbk: default_removexattr_cbk, + FIRST_CHILD(this), FIRST_CHILD(this)->fops->removexattr, loc, name, xdata); return 0; err: @@ -2792,9 +3340,14 @@ int quota_fremovexattr (call_frame_t *frame, xlator_t *this, fd_t *fd, const char *name, dict_t *xdata) { + quota_priv_t *priv = NULL; int32_t op_ret = -1; int32_t op_errno = EINVAL; + priv = this->private; + + WIND_IF_QUOTAOFF (priv->is_quota_on, wind); + VALIDATE_OR_GOTO (frame, err); VALIDATE_OR_GOTO (this, err); VALIDATE_OR_GOTO (fd, err); @@ -2802,9 +3355,10 @@ quota_fremovexattr (call_frame_t *frame, xlator_t *this, GF_IF_NATIVE_XATTR_GOTO ("trusted.quota*", name, op_errno, err); - STACK_WIND (frame, quota_fremovexattr_cbk, - FIRST_CHILD(this), - FIRST_CHILD(this)->fops->fremovexattr, +wind: + STACK_WIND (frame, priv->is_quota_on? + quota_fremovexattr_cbk: default_fremovexattr_cbk, + FIRST_CHILD(this), FIRST_CHILD(this)->fops->fremovexattr, fd, name, xdata); return 0; err: @@ -2818,16 +3372,16 @@ quota_statfs_cbk (call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret, int32_t op_errno, struct statvfs *buf, dict_t *xdata) { - inode_t *root_inode = NULL; - quota_priv_t *priv = NULL; - uint64_t value = 0; - quota_inode_ctx_t *ctx = NULL; - limits_t *limit_node = NULL; - int64_t usage = -1; - int64_t avail = -1; - int64_t blocks = 0; + inode_t *inode = NULL; + uint64_t value = 0; + int64_t usage = -1; + int64_t avail = -1; + int64_t blocks = 0; + quota_inode_ctx_t *ctx = NULL; + int ret = 0; + gf_boolean_t dict_created = _gf_false; - root_inode = cookie; + inode = cookie; /* This fop will fail mostly in case of client disconnect's, * which is already logged. Hence, not logging here */ @@ -2838,74 +3392,192 @@ quota_statfs_cbk (call_frame_t *frame, void *cookie, xlator_t *this, * cookie, and it would only do so if the value was non-NULL. This * check is therefore just routine defensive coding. */ - if (!root_inode) { + if (!inode) { gf_log(this->name,GF_LOG_WARNING, "null inode, cannot adjust for quota"); goto unwind; } - if (!root_inode->table || (root_inode != root_inode->table->root)) { - gf_log(this->name,GF_LOG_WARNING, - "non-root inode, cannot adjust for quota"); - goto unwind; - } - inode_ctx_get (root_inode, this, &value); + inode_ctx_get (inode, this, &value); if (!value) { goto unwind; } + + /* if limit is set on this inode, report statfs based on this inode + * else report based on root. + */ ctx = (quota_inode_ctx_t *)(unsigned long)value; + if (ctx->hard_lim <= 0) { + inode_ctx_get (inode->table->root, this, &value); + ctx = (quota_inode_ctx_t *)(unsigned long) value; + if (!ctx) + goto unwind; + } + usage = (ctx->size) / buf->f_bsize; - priv = this->private; - list_for_each_entry (limit_node, &priv->limit_head, limit_list) { - /* Notice that this only works for volume-level quota. */ - if (strcmp (limit_node->path, "/") == 0) { - blocks = limit_node->value / buf->f_bsize; - if (usage > blocks) { - break; - } + if (ctx->hard_lim > 0) { + blocks = ctx->hard_lim / buf->f_bsize; + buf->f_blocks = blocks; - buf->f_blocks = blocks; - avail = buf->f_blocks - usage; - if (buf->f_bfree > avail) { - buf->f_bfree = avail; - } - /* - * We have to assume that the total assigned quota - * won't cause us to dip into the reserved space, - * because dealing with the overcommitted cases is - * just too hairy (especially when different bricks - * might be using different reserved percentages and - * such). - */ - buf->f_bavail = buf->f_bfree; - break; + avail = buf->f_blocks - usage; + avail = (avail >= 0) ? avail : 0; + + if (buf->f_bfree > avail) { + buf->f_bfree = avail; } + /* + * We have to assume that the total assigned quota + * won't cause us to dip into the reserved space, + * because dealing with the overcommitted cases is + * just too hairy (especially when different bricks + * might be using different reserved percentages and + * such). + */ + buf->f_bavail = buf->f_bfree; + } + + if (!xdata) { + xdata = dict_new (); + if (!xdata) + goto unwind; + dict_created = _gf_true; } + ret = dict_set_int8 (xdata, "quota-deem-statfs", 1); + if (-1 == ret) + gf_log (this->name, GF_LOG_ERROR, "Dict set failed, " + "deem-statfs option may have no effect"); + unwind: - if (root_inode) { - inode_unref(root_inode); - } - STACK_UNWIND_STRICT (statfs, frame, op_ret, op_errno, buf, xdata); + QUOTA_STACK_UNWIND (statfs, frame, op_ret, op_errno, buf, xdata); + + if (dict_created) + dict_unref (xdata); return 0; } int32_t +quota_statfs_helper (call_frame_t *frame, xlator_t *this, loc_t *loc, + dict_t *xdata) +{ + quota_local_t *local = NULL; + int op_errno = EINVAL; + + GF_VALIDATE_OR_GOTO ("quota", (local = frame->local), err); + + if (-1 == local->op_ret) { + op_errno = local->op_errno; + goto err; + } + + STACK_WIND_COOKIE (frame, quota_statfs_cbk, loc->inode, + FIRST_CHILD(this), + FIRST_CHILD(this)->fops->statfs, loc, xdata); + return 0; +err: + QUOTA_STACK_UNWIND (statfs, frame, -1, op_errno, NULL, NULL); + return 0; +} + +int32_t +quota_statfs_validate_cbk (call_frame_t *frame, void *cookie, xlator_t *this, + int32_t op_ret, int32_t op_errno, inode_t *inode, + struct iatt *buf, dict_t *xdata, + struct iatt *postparent) +{ + quota_local_t *local = NULL; + int32_t ret = 0; + quota_inode_ctx_t *ctx = NULL; + int64_t *size = 0; + uint64_t value = 0; + + local = frame->local; + + if (op_ret < 0) + goto resume; + + GF_ASSERT (local); + GF_ASSERT (frame); + GF_VALIDATE_OR_GOTO_WITH_ERROR ("quota", this, resume, op_errno, + EINVAL); + GF_VALIDATE_OR_GOTO_WITH_ERROR (this->name, xdata, resume, op_errno, + EINVAL); + + ret = inode_ctx_get (local->validate_loc.inode, this, &value); + + ctx = (quota_inode_ctx_t *)(unsigned long)value; + if ((ret == -1) || (ctx == NULL)) { + gf_log (this->name, GF_LOG_WARNING, + "quota context is not present in inode (gfid:%s)", + uuid_utoa (local->validate_loc.inode->gfid)); + op_errno = EINVAL; + goto resume; + } + + ret = dict_get_bin (xdata, QUOTA_SIZE_KEY, (void **) &size); + if (ret < 0) { + gf_log (this->name, GF_LOG_WARNING, + "size key not present in dict"); + op_errno = EINVAL; + goto resume; + } + + LOCK (&ctx->lock); + { + ctx->size = ntoh64 (*size); + gettimeofday (&ctx->tv, NULL); + } + UNLOCK (&ctx->lock); + +resume: + --local->link_count; + + quota_resume_fop_if_validation_done (local); + return 0; +} + +int32_t quota_statfs (call_frame_t *frame, xlator_t *this, loc_t *loc, dict_t *xdata) { - inode_t *root_inode = NULL; - quota_priv_t *priv = NULL; + quota_local_t *local = NULL; + int op_errno = 0; + call_stub_t *stub = NULL; + quota_priv_t *priv = NULL; + int ret = 0; priv = this->private; + WIND_IF_QUOTAOFF (priv->is_quota_on, wind); + if (priv->consider_statfs && loc->inode) { - root_inode = loc->inode->table->root; - inode_ref(root_inode); - STACK_WIND_COOKIE (frame, quota_statfs_cbk, root_inode, - FIRST_CHILD(this), - FIRST_CHILD(this)->fops->statfs, loc, xdata); + local = quota_local_new (); + if (!local) { + op_errno = ENOMEM; + goto err; + } + frame->local = local; + + local->inode = inode_ref (loc->inode); + local->link_count = 1; + + stub = fop_statfs_stub (frame, quota_statfs_helper, loc, xdata); + if (!stub) { + op_errno = ENOMEM; + goto err; + } + + local->stub = stub; + + ret = quota_validate (frame, local->inode, this, + quota_statfs_validate_cbk); + if (0 > ret) { + op_errno = -ret; + --local->link_count; + } + + quota_resume_fop_if_validation_done (local); } else { /* @@ -2921,51 +3593,112 @@ quota_statfs (call_frame_t *frame, xlator_t *this, loc_t *loc, dict_t *xdata) if (priv->consider_statfs) gf_log(this->name,GF_LOG_WARNING, "missing inode, cannot adjust for quota"); +wind: STACK_WIND (frame, default_statfs_cbk, FIRST_CHILD(this), FIRST_CHILD(this)->fops->statfs, loc, xdata); } return 0; -} +err: + STACK_UNWIND_STRICT (statfs, frame, -1, op_errno, NULL, NULL); + + if (local) + quota_local_cleanup (this, local); + return 0; +} int quota_readdirp_cbk (call_frame_t *frame, void *cookie, xlator_t *this, int op_ret, int op_errno, gf_dirent_t *entries, dict_t *xdata) { - gf_dirent_t *entry = NULL; + gf_dirent_t *entry = NULL; + quota_local_t *local = NULL; + loc_t loc = {0, }; if (op_ret <= 0) goto unwind; + local = frame->local; + list_for_each_entry (entry, &entries->list, list) { - /* TODO: fill things */ + if ((strcmp (entry->d_name, ".") == 0) + || (strcmp (entry->d_name, "..") == 0)) + continue; + + uuid_copy (loc.gfid, entry->d_stat.ia_gfid); + loc.inode = inode_ref (entry->inode); + loc.parent = inode_ref (local->loc.inode); + uuid_copy (loc.pargfid, loc.parent->gfid); + loc.name = entry->d_name; + + quota_fill_inodectx (this, entry->inode, entry->dict, + &loc, &entry->d_stat, &op_errno); + + loc_wipe (&loc); } unwind: - STACK_UNWIND_STRICT (readdirp, frame, op_ret, op_errno, entries, xdata); + QUOTA_STACK_UNWIND (readdirp, frame, op_ret, op_errno, entries, xdata); return 0; } + int quota_readdirp (call_frame_t *frame, xlator_t *this, fd_t *fd, size_t size, off_t offset, dict_t *dict) { - int ret = 0; + quota_priv_t *priv = NULL; + int ret = 0; + gf_boolean_t new_dict = _gf_false; + quota_local_t *local = NULL; + + priv = this->private; + + WIND_IF_QUOTAOFF (priv->is_quota_on, wind); + + local = quota_local_new (); + + if (local == NULL) { + goto err; + } + + frame->local = local; + + local->loc.inode = inode_ref (fd->inode); + + if (dict == NULL) { + dict = dict_new (); + new_dict = _gf_true; + } if (dict) { - ret = dict_set_uint64 (dict, QUOTA_SIZE_KEY, 0); + ret = dict_set_int8 (dict, QUOTA_LIMIT_KEY, 1); if (ret < 0) { + gf_log (this->name, GF_LOG_WARNING, + "dict set of key for hard-limit failed"); goto err; } } - STACK_WIND (frame, quota_readdirp_cbk, - FIRST_CHILD(this), FIRST_CHILD(this)->fops->readdirp, - fd, size, offset, dict); +wind: + STACK_WIND (frame, + priv->is_quota_on? quota_readdirp_cbk: default_readdirp_cbk, + FIRST_CHILD(this), FIRST_CHILD(this)->fops->readdirp, fd, + size, offset, dict); + + if (new_dict) { + dict_unref (dict); + } + return 0; err: STACK_UNWIND_STRICT (readdirp, frame, -1, EINVAL, NULL, NULL); + + if (new_dict) { + dict_unref (dict); + } + return 0; } @@ -3022,12 +3755,14 @@ out: return 0; } + int32_t -quota_fallocate_helper(call_frame_t *frame, xlator_t *this, fd_t *fd, - int32_t mode, off_t offset, size_t len, dict_t *xdata) +quota_fallocate_helper (call_frame_t *frame, xlator_t *this, fd_t *fd, + int32_t mode, off_t offset, size_t len, dict_t *xdata) { quota_local_t *local = NULL; int32_t op_errno = EINVAL; + quota_priv_t *priv = NULL; local = frame->local; if (local == NULL) { @@ -3035,12 +3770,16 @@ quota_fallocate_helper(call_frame_t *frame, xlator_t *this, fd_t *fd, goto unwind; } + priv = this->private; + if (local->op_ret == -1) { op_errno = local->op_errno; goto unwind; } - STACK_WIND (frame, quota_fallocate_cbk, FIRST_CHILD(this), + STACK_WIND (frame, priv->is_quota_on? + quota_fallocate_cbk: default_fallocate_cbk, + FIRST_CHILD(this), FIRST_CHILD(this)->fops->fallocate, fd, mode, offset, len, xdata); return 0; @@ -3050,6 +3789,7 @@ unwind: return 0; } + int32_t quota_fallocate(call_frame_t *frame, xlator_t *this, fd_t *fd, int32_t mode, off_t offset, size_t len, dict_t *xdata) @@ -3059,8 +3799,13 @@ quota_fallocate(call_frame_t *frame, xlator_t *this, fd_t *fd, int32_t mode, quota_local_t *local = NULL; quota_inode_ctx_t *ctx = NULL; quota_priv_t *priv = NULL; - call_stub_t *stub = NULL; quota_dentry_t *dentry = NULL; + call_stub_t *stub = NULL; + + priv = this->private; + GF_VALIDATE_OR_GOTO (this->name, priv, unwind); + + WIND_IF_QUOTAOFF (priv->is_quota_on, wind); GF_ASSERT (frame); GF_VALIDATE_OR_GOTO ("quota", this, unwind); @@ -3074,16 +3819,17 @@ quota_fallocate(call_frame_t *frame, xlator_t *this, fd_t *fd, int32_t mode, frame->local = local; local->loc.inode = inode_ref (fd->inode); - ret = quota_inode_ctx_get (fd->inode, -1, this, NULL, NULL, &ctx, 0); + ret = quota_inode_ctx_get (fd->inode, this, &ctx, 0); if (ctx == NULL) { - gf_log (this->name, GF_LOG_WARNING, - "quota context not set in inode (gfid:%s)", - uuid_utoa (fd->inode->gfid)); - goto unwind; + gf_log (this->name, GF_LOG_DEBUG, "quota context is " + "NULL on inode (%s). " + "If quota is not enabled recently and crawler " + "has finished crawling, its an error", + uuid_utoa (local->loc.inode->gfid)); } - stub = fop_fallocate_stub(frame, quota_fallocate_helper, fd, mode, offset, len, - xdata); + stub = fop_fallocate_stub(frame, quota_fallocate_helper, fd, mode, + offset, len, xdata); if (stub == NULL) { op_errno = ENOMEM; goto unwind; @@ -3092,13 +3838,15 @@ quota_fallocate(call_frame_t *frame, xlator_t *this, fd_t *fd, int32_t mode, priv = this->private; GF_VALIDATE_OR_GOTO (this->name, priv, unwind); - LOCK (&ctx->lock); - { - list_for_each_entry (dentry, &ctx->parents, next) { - parents++; + if (ctx != NULL) { + LOCK (&ctx->lock); + { + list_for_each_entry (dentry, &ctx->parents, next) { + parents++; + } } + UNLOCK (&ctx->lock); } - UNLOCK (&ctx->lock); /* * Note that by using len as the delta we're assuming the range from @@ -3109,37 +3857,75 @@ quota_fallocate(call_frame_t *frame, xlator_t *this, fd_t *fd, int32_t mode, local->stub = stub; local->link_count = parents; - list_for_each_entry (dentry, &ctx->parents, next) { - ret = quota_check_limit (frame, fd->inode, this, dentry->name, - dentry->par); - if (ret == -1) { - break; - } - } - - stub = NULL; - - LOCK (&local->lock); - { - local->link_count = 0; - if (local->validate_count == 0) { - stub = local->stub; - local->stub = NULL; + if (parents == 0) { + local->link_count = 1; + quota_check_limit (frame, fd->inode, this, NULL, NULL); + } else { + list_for_each_entry (dentry, &ctx->parents, next) { + quota_check_limit (frame, fd->inode, this, dentry->name, + dentry->par); } } - UNLOCK (&local->lock); - - if (stub != NULL) { - call_resume (stub); - } return 0; unwind: QUOTA_STACK_UNWIND (fallocate, frame, -1, op_errno, NULL, NULL, NULL); return 0; + +wind: + STACK_WIND (frame, priv->is_quota_on? + quota_fallocate_cbk: default_fallocate_cbk, + FIRST_CHILD(this), + FIRST_CHILD(this)->fops->fallocate, fd, mode, offset, len, + xdata); + return 0; } +/* Logs if +* i. Usage crossed soft limit +* ii. Usage above soft limit and alert-time timed out +*/ +void +quota_log_usage (xlator_t *this, quota_inode_ctx_t *ctx, inode_t *inode, + int64_t delta) +{ + struct timeval cur_time = {0,}; + char *usage_str = NULL; + char *path = NULL; + int64_t cur_size = 0; + quota_priv_t *priv = NULL; + + priv = this->private; + cur_size = ctx->size + delta; + if ((ctx->soft_lim <= 0) || (timerisset (&ctx->prev_log) && + !quota_timeout (&ctx->prev_log, + priv->log_timeout))) { + return; + } + + gettimeofday (&cur_time, NULL); + ctx->prev_log = cur_time; + + usage_str = gf_uint64_2human_readable (cur_size); + inode_path (inode, NULL, &path); + if (!path) + path = uuid_utoa (inode->gfid); + + /* Usage crossed/reached soft limit */ + if (DID_REACH_LIMIT (ctx->soft_lim, ctx->size, cur_size)) { + + gf_log (this->name, GF_LOG_ALERT, "Usage crossed " + "soft limit: %s used by %s", usage_str, path); + } + /* Usage is above soft limit */ + else if (cur_size > ctx->soft_lim){ + gf_log (this->name, GF_LOG_ALERT, "Usage is above " + "soft limit: %s used by %s", usage_str, path); + } + if (usage_str) + GF_FREE (usage_str); +} int32_t mem_acct_init (xlator_t *this) @@ -3192,83 +3978,6 @@ quota_forget (xlator_t *this, inode_t *inode) return 0; } - -int -quota_parse_limits (quota_priv_t *priv, xlator_t *this, dict_t *xl_options, - struct list_head *old_list) -{ - int32_t ret = -1; - char *str = NULL; - char *str_val = NULL; - char *path = NULL, *saveptr = NULL; - uint64_t value = 0; - limits_t *quota_lim = NULL, *old = NULL; - char *last_colon= NULL; - - ret = dict_get_str (xl_options, "limit-set", &str); - - if (str) { - path = strtok_r (str, ",", &saveptr); - - while (path) { - last_colon = strrchr (path, ':'); - *last_colon = '\0'; - str_val = last_colon + 1; - - ret = gf_string2bytesize (str_val, &value); - if (ret != 0) - goto err; - - QUOTA_ALLOC_OR_GOTO (quota_lim, limits_t, err); - - quota_lim->path = path; - - quota_lim->value = value; - - gf_log (this->name, GF_LOG_INFO, "%s:%"PRId64, - quota_lim->path, quota_lim->value); - - if (old_list != NULL) { - list_for_each_entry (old, old_list, - limit_list) { - if (strcmp (old->path, quota_lim->path) - == 0) { - uuid_copy (quota_lim->gfid, - old->gfid); - break; - } - } - } - - LOCK (&priv->lock); - { - list_add_tail ("a_lim->limit_list, - &priv->limit_head); - } - UNLOCK (&priv->lock); - - path = strtok_r (NULL, ",", &saveptr); - } - } else { - gf_log (this->name, GF_LOG_INFO, - "no \"limit-set\" option provided"); - } - - LOCK (&priv->lock); - { - list_for_each_entry (quota_lim, &priv->limit_head, limit_list) { - gf_log (this->name, GF_LOG_INFO, "%s:%"PRId64, - quota_lim->path, quota_lim->value); - } - } - UNLOCK (&priv->lock); - - ret = 0; -err: - return ret; -} - - int32_t init (xlator_t *this) { @@ -3290,20 +3999,18 @@ init (xlator_t *this) QUOTA_ALLOC_OR_GOTO (priv, quota_priv_t, err); - INIT_LIST_HEAD (&priv->limit_head); - LOCK_INIT (&priv->lock); this->private = priv; - ret = quota_parse_limits (priv, this, this->options, NULL); - - if (ret) { - goto err; - } - - GF_OPTION_INIT ("timeout", priv->timeout, int64, err); GF_OPTION_INIT ("deem-statfs", priv->consider_statfs, bool, err); + GF_OPTION_INIT ("server-quota", priv->is_quota_on, bool, err); + GF_OPTION_INIT ("default-soft-limit", priv->default_soft_lim, percent, + err); + GF_OPTION_INIT ("soft-timeout", priv->soft_timeout, time, err); + GF_OPTION_INIT ("hard-timeout", priv->hard_timeout, time, err); + GF_OPTION_INIT ("alert-time", priv->log_timeout, time, err); + GF_OPTION_INIT ("volume-uuid", priv->volume_uuid, str, err); this->local_pool = mem_pool_new (quota_local_t, 64); if (!this->local_pool) { @@ -3313,134 +4020,100 @@ init (xlator_t *this) goto err; } + if (priv->is_quota_on) { + priv->rpc_clnt = quota_enforcer_init (this, this->options); + if (priv->rpc_clnt == NULL) { + ret = -1; + gf_log (this->name, GF_LOG_WARNING, + "quota enforcer rpc init failed"); + goto err; + } + } + ret = 0; err: return ret; } - -void -__quota_reconfigure_inode_ctx (xlator_t *this, inode_t *inode, limits_t *limit) -{ - int ret = -1; - quota_inode_ctx_t *ctx = NULL; - - GF_VALIDATE_OR_GOTO ("quota", this, out); - GF_VALIDATE_OR_GOTO (this->name, inode, out); - GF_VALIDATE_OR_GOTO (this->name, limit, out); - - ret = quota_inode_ctx_get (inode, limit->value, this, NULL, NULL, &ctx, - 1); - if ((ret == -1) || (ctx == NULL)) { - gf_log (this->name, GF_LOG_WARNING, "cannot create quota " - "context in inode(gfid:%s)", - uuid_utoa (inode->gfid)); - goto out; - } - - LOCK (&ctx->lock); - { - ctx->limit = limit->value; - } - UNLOCK (&ctx->lock); - -out: - return; -} - - -void -__quota_reconfigure (xlator_t *this, inode_table_t *itable, limits_t *limit) -{ - inode_t *inode = NULL; - - if ((this == NULL) || (itable == NULL) || (limit == NULL)) { - goto out; - } - - if (!uuid_is_null (limit->gfid)) { - inode = inode_find (itable, limit->gfid); - } else { - inode = inode_resolve (itable, limit->path); - } - - if (inode != NULL) { - __quota_reconfigure_inode_ctx (this, inode, limit); - } - -out: - return; -} - - int reconfigure (xlator_t *this, dict_t *options) { int32_t ret = -1; quota_priv_t *priv = NULL; - limits_t *limit = NULL, *next = NULL, *new = NULL; - struct list_head head = {0, }; - xlator_t *top = NULL; - char found = 0; priv = this->private; - INIT_LIST_HEAD (&head); + GF_OPTION_RECONF ("deem-statfs", priv->consider_statfs, options, bool, + out); + GF_OPTION_RECONF ("server-quota", priv->is_quota_on, options, bool, + out); + GF_OPTION_RECONF ("default-soft-limit", priv->default_soft_lim, + options, percent, out); + GF_OPTION_RECONF ("alert-time", priv->log_timeout, options, + time, out); + GF_OPTION_RECONF ("soft-timeout", priv->soft_timeout, options, + time, out); + GF_OPTION_RECONF ("hard-timeout", priv->hard_timeout, options, + time, out); + + if (priv->is_quota_on) { + priv->rpc_clnt = quota_enforcer_init (this, + this->options); + if (priv->rpc_clnt == NULL) { + ret = -1; + gf_log (this->name, GF_LOG_WARNING, + "quota enforcer rpc init failed"); + goto out; + } - LOCK (&priv->lock); - { - list_splice_init (&priv->limit_head, &head); + } else { + if (priv->rpc_clnt) { + // Quotad is shutdown when there is no started volume + // which has quota enabled. So, we should disable the + // enforcer client when quota is disabled on a volume, + // to avoid spurious reconnect attempts to a service + // (quotad), that is known to be down. + rpc_clnt_disable (priv->rpc_clnt); + } } - UNLOCK (&priv->lock); - ret = quota_parse_limits (priv, this, options, &head); - if (ret == -1) { - gf_log ("quota", GF_LOG_WARNING, - "quota reconfigure failed, " - "new changes will not take effect"); - goto out; - } + ret = 0; +out: + return ret; +} - LOCK (&priv->lock); - { - top = ((glusterfs_ctx_t *)this->ctx)->active->top; - GF_ASSERT (top); +int32_t +quota_priv_dump (xlator_t *this) +{ + quota_priv_t *priv = NULL; + int32_t ret = -1; - list_for_each_entry (limit, &priv->limit_head, limit_list) { - __quota_reconfigure (this, top->itable, limit); - } - list_for_each_entry_safe (limit, next, &head, limit_list) { - found = 0; - list_for_each_entry (new, &priv->limit_head, - limit_list) { - if (strcmp (new->path, limit->path) == 0) { - found = 1; - break; - } - } + GF_ASSERT (this); - if (!found) { - limit->value = -1; - __quota_reconfigure (this, top->itable, limit); - } + priv = this->private; - list_del_init (&limit->limit_list); - GF_FREE (limit); - } + gf_proc_dump_add_section ("xlators.features.quota.priv", this->name); + + ret = TRY_LOCK (&priv->lock); + if (ret) + goto out; + else { + gf_proc_dump_write("soft-timeout", "%d", priv->soft_timeout); + gf_proc_dump_write("hard-timeout", "%d", priv->hard_timeout); + gf_proc_dump_write("alert-time", "%d", priv->log_timeout); + gf_proc_dump_write("quota-on", "%d", priv->is_quota_on); + gf_proc_dump_write("statfs", "%d", priv->consider_statfs); + gf_proc_dump_write("volume-uuid", "%s", priv->volume_uuid); + gf_proc_dump_write("validation-count", "%ld", + priv->validation_count); } UNLOCK (&priv->lock); - GF_OPTION_RECONF ("timeout", priv->timeout, options, int64, out); - GF_OPTION_RECONF ("deem-statfs", priv->consider_statfs, options, bool, - out); - - ret = 0; out: - return ret; + return 0; } - void fini (xlator_t *this) { @@ -3482,16 +4155,11 @@ struct xlator_cbks cbks = { .forget = quota_forget }; +struct xlator_dumpops dumpops = { + .priv = quota_priv_dump, +}; struct volume_options options[] = { {.key = {"limit-set"}}, - {.key = {"timeout"}, - .type = GF_OPTION_TYPE_SIZET, - .min = 0, - .max = 60, - .default_value = "0", - .description = "quota caches the directory sizes on client. Timeout " - "indicates the timeout for the cache to be revalidated." - }, {.key = {"deem-statfs"}, .type = GF_OPTION_TYPE_BOOL, .default_value = "off", @@ -3499,5 +4167,62 @@ struct volume_options options[] = { "consideration while estimating fs size. (df command)" " (Default is off)." }, + {.key = {"server-quota"}, + .type = GF_OPTION_TYPE_BOOL, + .default_value = "off", + .description = "Skip the quota enforcement if the feature is" + " not turned on. This is not a user exposed option." + }, + {.key = {"default-soft-limit"}, + .type = GF_OPTION_TYPE_PERCENT, + .default_value = "80%", + .min = 0, + .max = LONG_MAX, + }, + {.key = {"soft-timeout"}, + .type = GF_OPTION_TYPE_TIME, + .min = 0, + .max = 1800, + .default_value = "60", + .description = "quota caches the directory sizes on client. " + "soft-timeout indicates the timeout for the validity of" + " cache before soft-limit has been crossed." + }, + {.key = {"hard-timeout"}, + .type = GF_OPTION_TYPE_TIME, + .min = 0, + .max = 60, + .default_value = "5", + .description = "quota caches the directory sizes on client. " + "hard-timeout indicates the timeout for the validity of" + " cache after soft-limit has been crossed." + }, + { .key = {"username"}, + .type = GF_OPTION_TYPE_ANY, + }, + { .key = {"password"}, + .type = GF_OPTION_TYPE_ANY, + }, + { .key = {"transport-type"}, + .value = {"tcp", "socket", "ib-verbs", "unix", "ib-sdp", + "tcp/client", "ib-verbs/client", "rdma"}, + .type = GF_OPTION_TYPE_STR, + }, + { .key = {"remote-host"}, + .type = GF_OPTION_TYPE_INTERNET_ADDRESS, + }, + { .key = {"remote-port"}, + .type = GF_OPTION_TYPE_INT, + }, + { .key = {"volume-uuid"}, + .type = GF_OPTION_TYPE_STR, + .description = "uuid of the volume this brick is part of." + }, + { .key = {"alert-time"}, + .type = GF_OPTION_TYPE_TIME, + .min = 0, + .max = 7*86400, + .default_value = "86400", + }, {.key = {NULL}} }; diff --git a/xlators/features/quota/src/quota.h b/xlators/features/quota/src/quota.h index 84ecbb3084e..de522e6914f 100644 --- a/xlators/features/quota/src/quota.h +++ b/xlators/features/quota/src/quota.h @@ -12,20 +12,48 @@ #include "config.h" #endif +#ifndef _QUOTA_H +#define _QUOTA_H + #include "xlator.h" #include "call-stub.h" #include "defaults.h" -#include "byte-order.h" #include "common-utils.h" #include "quota-mem-types.h" +#include "glusterfs.h" +#include "compat.h" +#include "logging.h" +#include "dict.h" +#include "stack.h" +#include "common-utils.h" +#include "event.h" +#include "globals.h" +#include "rpcsvc.h" +#include "rpc-clnt.h" +#include "byte-order.h" +#include "glusterfs3-xdr.h" +#include "glusterfs3.h" +#include "xdr-generic.h" +#include "compat-errno.h" +#include "protocol-common.h" -#define QUOTA_XATTR_PREFIX "trusted." #define DIRTY "dirty" #define SIZE "size" #define CONTRIBUTION "contri" #define VAL_LENGTH 8 #define READDIR_BUF 4096 +#ifndef UUID_CANONICAL_FORM_LEN +#define UUID_CANONICAL_FORM_LEN 36 +#endif + +#define WIND_IF_QUOTAOFF(is_quota_on, label) \ + if (!is_quota_on) \ + goto label; + +#define DID_REACH_LIMIT(lim, prev_size, cur_size) \ + ((cur_size) >= (lim) && (prev_size) < (lim)) + #define QUOTA_SAFE_INCREMENT(lock, var) \ do { \ LOCK (lock); \ @@ -46,7 +74,7 @@ gf_quota_mt_##type); \ if (!var) { \ gf_log ("", GF_LOG_ERROR, \ - "out of memory :("); \ + "out of memory"); \ ret = -1; \ goto label; \ } \ @@ -74,11 +102,17 @@ #define GET_CONTRI_KEY(var, _vol_name, _gfid, _ret) \ do { \ char _gfid_unparsed[40]; \ - uuid_unparse (_gfid, _gfid_unparsed); \ - _ret = gf_asprintf (var, QUOTA_XATTR_PREFIX \ - "%s.%s." CONTRIBUTION, \ - _vol_name, _gfid_unparsed); \ - } while (0) + if (_gfid != NULL) { \ + uuid_unparse (_gfid, _gfid_unparsed); \ + _ret = gf_asprintf (var, QUOTA_XATTR_PREFIX \ + "%s.%s." CONTRIBUTION, \ + _vol_name, _gfid_unparsed); \ + } else { \ + _ret = gf_asprintf (var, QUOTA_XATTR_PREFIX \ + "%s.." CONTRIBUTION, \ + _vol_name); \ + } \ + } while (0) #define GET_CONTRI_KEY_OR_GOTO(var, _vol_name, _gfid, label) \ @@ -96,6 +130,8 @@ goto label; \ } while (0) + + struct quota_dentry { char *name; uuid_t par; @@ -105,47 +141,70 @@ typedef struct quota_dentry quota_dentry_t; struct quota_inode_ctx { int64_t size; - int64_t limit; + int64_t hard_lim; + int64_t soft_lim; struct iatt buf; struct list_head parents; struct timeval tv; + struct timeval prev_log; gf_lock_t lock; }; typedef struct quota_inode_ctx quota_inode_ctx_t; +struct quota_limit { + int64_t hard_lim; + int64_t soft_lim_percent; +} __attribute__ ((packed)); +typedef struct quota_limit quota_limit_t; + struct quota_local { - gf_lock_t lock; - uint32_t validate_count; - uint32_t link_count; - loc_t loc; - loc_t oldloc; - loc_t newloc; - loc_t validate_loc; - int64_t delta; - int32_t op_ret; - int32_t op_errno; - int64_t size; - int64_t limit; - char just_validated; - inode_t *inode; - call_stub_t *stub; + gf_lock_t lock; + uint32_t validate_count; + uint32_t link_count; + loc_t loc; + loc_t oldloc; + loc_t newloc; + loc_t validate_loc; + int64_t delta; + int32_t op_ret; + int32_t op_errno; + int64_t size; + gf_boolean_t skip_check; + char just_validated; + fop_lookup_cbk_t validate_cbk; + inode_t *inode; + call_stub_t *stub; + struct iobref *iobref; + quota_limit_t limit; }; -typedef struct quota_local quota_local_t; +typedef struct quota_local quota_local_t; struct quota_priv { - int64_t timeout; - gf_boolean_t consider_statfs; - struct list_head limit_head; - gf_lock_t lock; + uint32_t soft_timeout; + uint32_t hard_timeout; + uint32_t log_timeout; + double default_soft_lim; + gf_boolean_t is_quota_on; + gf_boolean_t consider_statfs; + gf_lock_t lock; + rpc_clnt_prog_t *quota_enforcer; + struct rpcsvc_program *quotad_aggregator; + struct rpc_clnt *rpc_clnt; + rpcsvc_t *rpcsvc; + inode_table_t *itable; + char *volume_uuid; + uint64_t validation_count; }; -typedef struct quota_priv quota_priv_t; +typedef struct quota_priv quota_priv_t; -struct limits { - struct list_head limit_list; - char *path; - int64_t value; - uuid_t gfid; -}; -typedef struct limits limits_t; +int +quota_enforcer_lookup (call_frame_t *frame, xlator_t *this, loc_t *loc, + dict_t *xdata, fop_lookup_cbk_t cbk); +struct rpc_clnt * +quota_enforcer_init (xlator_t *this, dict_t *options); -uint64_t cn = 1; +void +quota_log_usage (xlator_t *this, quota_inode_ctx_t *ctx, inode_t *inode, + int64_t delta); + +#endif diff --git a/xlators/features/quota/src/quotad-aggregator.c b/xlators/features/quota/src/quotad-aggregator.c new file mode 100644 index 00000000000..f3f65ca2a04 --- /dev/null +++ b/xlators/features/quota/src/quotad-aggregator.c @@ -0,0 +1,423 @@ +/* + Copyright (c) 2008-2012 Red Hat, Inc. <http://www.redhat.com> + This file is part of GlusterFS. + + This file is licensed to you under your choice of the GNU Lesser + General Public License, version 3 or any later version (LGPLv3 or + later), or the GNU General Public License, version 2 (GPLv2), in all + cases as published by the Free Software Foundation. +*/ + +#include "cli1-xdr.h" +#include "quota.h" +#include "quotad-helpers.h" +#include "quotad-aggregator.h" + +struct rpcsvc_program quotad_aggregator_prog; + +struct iobuf * +quotad_serialize_reply (rpcsvc_request_t *req, void *arg, struct iovec *outmsg, + xdrproc_t xdrproc) +{ + struct iobuf *iob = NULL; + ssize_t retlen = 0; + ssize_t xdr_size = 0; + + GF_VALIDATE_OR_GOTO ("server", req, ret); + + /* First, get the io buffer into which the reply in arg will + * be serialized. + */ + if (arg && xdrproc) { + xdr_size = xdr_sizeof (xdrproc, arg); + iob = iobuf_get2 (req->svc->ctx->iobuf_pool, xdr_size); + if (!iob) { + gf_log_callingfn (THIS->name, GF_LOG_ERROR, + "Failed to get iobuf"); + goto ret; + }; + + iobuf_to_iovec (iob, outmsg); + /* Use the given serializer to translate the give C structure in arg + * to XDR format which will be written into the buffer in outmsg. + */ + /* retlen is used to received the error since size_t is unsigned and we + * need -1 for error notification during encoding. + */ + + retlen = xdr_serialize_generic (*outmsg, arg, xdrproc); + if (retlen == -1) { + /* Failed to Encode 'GlusterFS' msg in RPC is not exactly + failure of RPC return values.. client should get + notified about this, so there are no missing frames */ + gf_log_callingfn ("", GF_LOG_ERROR, "Failed to encode message"); + req->rpc_err = GARBAGE_ARGS; + retlen = 0; + } + } + outmsg->iov_len = retlen; +ret: + if (retlen == -1) { + iobuf_unref (iob); + iob = NULL; + } + + return iob; +} + +int +quotad_aggregator_submit_reply (call_frame_t *frame, rpcsvc_request_t *req, + void *arg, struct iovec *payload, + int payloadcount, struct iobref *iobref, + xdrproc_t xdrproc) +{ + struct iobuf *iob = NULL; + int ret = -1; + struct iovec rsp = {0,}; + quotad_aggregator_state_t *state = NULL; + char new_iobref = 0; + + GF_VALIDATE_OR_GOTO ("server", req, ret); + + if (frame) { + state = frame->root->state; + frame->local = NULL; + } + + if (!iobref) { + iobref = iobref_new (); + if (!iobref) { + goto ret; + } + + new_iobref = 1; + } + + iob = quotad_serialize_reply (req, arg, &rsp, xdrproc); + if (!iob) { + gf_log ("", GF_LOG_ERROR, "Failed to serialize reply"); + goto ret; + } + + iobref_add (iobref, iob); + + ret = rpcsvc_submit_generic (req, &rsp, 1, payload, payloadcount, + iobref); + + iobuf_unref (iob); + + ret = 0; +ret: + if (state) { + quotad_aggregator_free_state (state); + } + + if (frame) { + if (frame->root->client) + gf_client_unref (frame->root->client); + + STACK_DESTROY (frame->root); + } + + if (new_iobref) { + iobref_unref (iobref); + } + + return ret; +} + +int +quotad_aggregator_getlimit_cbk (xlator_t *this, call_frame_t *frame, + void *lookup_rsp) +{ + gfs3_lookup_rsp *rsp = lookup_rsp; + gf_cli_rsp cli_rsp = {0,}; + dict_t *xdata = NULL; + int ret = -1; + + GF_PROTOCOL_DICT_UNSERIALIZE (frame->this, xdata, + (rsp->xdata.xdata_val), + (rsp->xdata.xdata_len), rsp->op_ret, + rsp->op_errno, out); + + ret = 0; +out: + rsp->op_ret = ret; + if (ret) { + gf_log (this->name, GF_LOG_ERROR, "failed to unserialize " + "nameless lookup rsp"); + goto reply; + } + cli_rsp.op_ret = rsp->op_ret; + cli_rsp.op_errno = rsp->op_errno; + cli_rsp.op_errstr = ""; + if (xdata) { + GF_PROTOCOL_DICT_SERIALIZE (frame->this, xdata, + (&cli_rsp.dict.dict_val), + (cli_rsp.dict.dict_len), + cli_rsp.op_errno, reply); + } + +reply: + quotad_aggregator_submit_reply (frame, frame->local, (void*)&cli_rsp, NULL, 0, + NULL, (xdrproc_t)xdr_gf_cli_rsp); + + dict_unref (xdata); + GF_FREE (cli_rsp.dict.dict_val); + return 0; +} + +int +quotad_aggregator_getlimit (rpcsvc_request_t *req) +{ + call_frame_t *frame = NULL; + gf_cli_req cli_req = {{0}, }; + gf_cli_rsp cli_rsp = {0}; + gfs3_lookup_req args = {{0,},}; + gfs3_lookup_rsp rsp = {0,}; + quotad_aggregator_state_t *state = NULL; + xlator_t *this = NULL; + dict_t *dict = NULL; + int ret = -1, op_errno = 0; + char *gfid_str = NULL; + uuid_t gfid = {0}; + + GF_VALIDATE_OR_GOTO ("quotad-aggregator", req, err); + + this = THIS; + + ret = xdr_to_generic (req->msg[0], &cli_req, (xdrproc_t)xdr_gf_cli_req); + if (ret < 0) { + //failed to decode msg; + gf_log ("", GF_LOG_ERROR, "xdr decoding error"); + req->rpc_err = GARBAGE_ARGS; + goto err; + } + + if (cli_req.dict.dict_len) { + dict = dict_new (); + ret = dict_unserialize (cli_req.dict.dict_val, + cli_req.dict.dict_len, &dict); + if (ret < 0) { + gf_log (this->name, GF_LOG_ERROR, "Failed to " + "unserialize req-buffer to dictionary"); + goto err; + } + } + + ret = dict_get_str (dict, "gfid", &gfid_str); + if (ret) { + goto err; + } + + uuid_parse ((const char*)gfid_str, gfid); + + frame = quotad_aggregator_get_frame_from_req (req); + if (frame == NULL) { + rsp.op_errno = ENOMEM; + goto err; + } + state = frame->root->state; + state->xdata = dict; + ret = dict_set_int32 (state->xdata, QUOTA_LIMIT_KEY, 42); + if (ret) + goto err; + + ret = dict_set_int32 (state->xdata, QUOTA_SIZE_KEY, 42); + if (ret) + goto err; + + ret = dict_set_int32 (state->xdata, GET_ANCESTRY_PATH_KEY,42); + if (ret) + goto err; + + memcpy (&args.gfid, &gfid, 16); + + args.bname = alloca (req->msg[0].iov_len); + args.xdata.xdata_val = alloca (req->msg[0].iov_len); + + ret = qd_nameless_lookup (this, frame, &args, state->xdata, + quotad_aggregator_getlimit_cbk); + if (ret) { + rsp.op_errno = ret; + goto err; + } + + return ret; + +err: + cli_rsp.op_ret = -1; + cli_rsp.op_errno = op_errno; + cli_rsp.op_errstr = ""; + + quotad_aggregator_getlimit_cbk (this, frame, &cli_rsp); + dict_unref (dict); + + return ret; +} + +int +quotad_aggregator_lookup_cbk (xlator_t *this, call_frame_t *frame, + void *rsp) +{ + quotad_aggregator_submit_reply (frame, frame->local, rsp, NULL, 0, NULL, + (xdrproc_t)xdr_gfs3_lookup_rsp); + + return 0; +} + + +int +quotad_aggregator_lookup (rpcsvc_request_t *req) +{ + call_frame_t *frame = NULL; + gfs3_lookup_req args = {{0,},}; + int ret = -1, op_errno = 0; + gfs3_lookup_rsp rsp = {0,}; + quotad_aggregator_state_t *state = NULL; + xlator_t *this = NULL; + + GF_VALIDATE_OR_GOTO ("quotad-aggregator", req, err); + + this = THIS; + + args.bname = alloca (req->msg[0].iov_len); + args.xdata.xdata_val = alloca (req->msg[0].iov_len); + + ret = xdr_to_generic (req->msg[0], &args, + (xdrproc_t)xdr_gfs3_lookup_req); + if (ret < 0) { + rsp.op_errno = EINVAL; + goto err; + } + + frame = quotad_aggregator_get_frame_from_req (req); + if (frame == NULL) { + rsp.op_errno = ENOMEM; + goto err; + } + + state = frame->root->state; + + GF_PROTOCOL_DICT_UNSERIALIZE (this, state->xdata, + (args.xdata.xdata_val), + (args.xdata.xdata_len), ret, + op_errno, err); + + + ret = qd_nameless_lookup (this, frame, &args, state->xdata, + quotad_aggregator_lookup_cbk); + if (ret) { + rsp.op_errno = ret; + goto err; + } + + return ret; + +err: + rsp.op_ret = -1; + rsp.op_errno = op_errno; + + quotad_aggregator_lookup_cbk (this, frame, &rsp); + return ret; +} + +int +quotad_aggregator_rpc_notify (rpcsvc_t *rpc, void *xl, rpcsvc_event_t event, + void *data) +{ + if (!xl || !data) { + gf_log_callingfn ("server", GF_LOG_WARNING, + "Calling rpc_notify without initializing"); + goto out; + } + + switch (event) { + case RPCSVC_EVENT_ACCEPT: + break; + + case RPCSVC_EVENT_DISCONNECT: + break; + + default: + break; + } + +out: + return 0; +} + +int +quotad_aggregator_init (xlator_t *this) +{ + quota_priv_t *priv = NULL; + int ret = -1; + + priv = this->private; + + ret = dict_set_str (this->options, "transport.address-family", "unix"); + if (ret) + goto out; + + ret = dict_set_str (this->options, "transport-type", "socket"); + if (ret) + goto out; + + ret = dict_set_str (this->options, "transport.socket.listen-path", + "/tmp/quotad.socket"); + if (ret) + goto out; + + /* RPC related */ + priv->rpcsvc = rpcsvc_init (this, this->ctx, this->options, 0); + if (priv->rpcsvc == NULL) { + gf_log (this->name, GF_LOG_WARNING, + "creation of rpcsvc failed"); + ret = -1; + goto out; + } + + ret = rpcsvc_create_listeners (priv->rpcsvc, this->options, + this->name); + if (ret < 1) { + gf_log (this->name, GF_LOG_WARNING, + "creation of listener failed"); + ret = -1; + goto out; + } + + priv->quotad_aggregator = "ad_aggregator_prog; + quotad_aggregator_prog.options = this->options; + + ret = rpcsvc_program_register (priv->rpcsvc, "ad_aggregator_prog); + if (ret) { + gf_log (this->name, GF_LOG_WARNING, + "registration of program (name:%s, prognum:%d, " + "progver:%d) failed", quotad_aggregator_prog.progname, + quotad_aggregator_prog.prognum, + quotad_aggregator_prog.progver); + goto out; + } + + ret = 0; +out: + return ret; +} + +rpcsvc_actor_t quotad_aggregator_actors[] = { + [GF_AGGREGATOR_NULL] = {"NULL", GF_AGGREGATOR_NULL, NULL, NULL, 0, + DRC_NA}, + [GF_AGGREGATOR_LOOKUP] = {"LOOKUP", GF_AGGREGATOR_NULL, + quotad_aggregator_lookup, NULL, 0, DRC_NA}, + [GF_AGGREGATOR_GETLIMIT] = {"GETLIMIT", GF_AGGREGATOR_GETLIMIT, + quotad_aggregator_getlimit, NULL, 0}, +}; + + +struct rpcsvc_program quotad_aggregator_prog = { + .progname = "GlusterFS 3.3", + .prognum = GLUSTER_AGGREGATOR_PROGRAM, + .progver = GLUSTER_AGGREGATOR_VERSION, + .numactors = GF_AGGREGATOR_MAXVALUE, + .actors = quotad_aggregator_actors +}; diff --git a/xlators/features/quota/src/quotad-aggregator.h b/xlators/features/quota/src/quotad-aggregator.h new file mode 100644 index 00000000000..5ddea5b3c46 --- /dev/null +++ b/xlators/features/quota/src/quotad-aggregator.h @@ -0,0 +1,37 @@ +/* + Copyright (c) 2008-2012 Red Hat, Inc. <http://www.redhat.com> + This file is part of GlusterFS. + + This file is licensed to you under your choice of the GNU Lesser + General Public License, version 3 or any later version (LGPLv3 or + later), or the GNU General Public License, version 2 (GPLv2), in all + cases as published by the Free Software Foundation. +*/ + +#ifndef _QUOTAD_AGGREGATOR_H +#define _QUOTAD_AGGREGATOR_H + +#include "quota.h" +#include "stack.h" +#include "glusterfs3-xdr.h" +#include "inode.h" + +typedef struct { + void *pool; + xlator_t *this; + xlator_t *active_subvol; + inode_table_t *itable; + loc_t loc; + dict_t *xdata; +} quotad_aggregator_state_t; + +typedef int (*quotad_aggregator_lookup_cbk_t) (xlator_t *this, + call_frame_t *frame, + void *rsp); +int +qd_nameless_lookup (xlator_t *this, call_frame_t *frame, gfs3_lookup_req *req, + dict_t *xdata, quotad_aggregator_lookup_cbk_t lookup_cbk); +int +quotad_aggregator_init (xlator_t *this); + +#endif diff --git a/xlators/features/quota/src/quotad-helpers.c b/xlators/features/quota/src/quotad-helpers.c new file mode 100644 index 00000000000..fd309911474 --- /dev/null +++ b/xlators/features/quota/src/quotad-helpers.c @@ -0,0 +1,113 @@ +/* + Copyright (c) 2008-2012 Red Hat, Inc. <http://www.redhat.com> + This file is part of GlusterFS. + + This file is licensed to you under your choice of the GNU Lesser + General Public License, version 3 or any later version (LGPLv3 or + later), or the GNU General Public License, version 2 (GPLv2), in all + cases as published by the Free Software Foundation. +*/ + +#include "quotad-helpers.h" + +quotad_aggregator_state_t * +get_quotad_aggregator_state (xlator_t *this, rpcsvc_request_t *req) +{ + quotad_aggregator_state_t *state = NULL; + xlator_t *active_subvol = NULL; + quota_priv_t *priv = NULL; + + state = (void *)GF_CALLOC (1, sizeof (*state), + gf_quota_mt_aggregator_state_t); + if (!state) + return NULL; + + state->this = THIS; + priv = this->private; + + LOCK (&priv->lock); + { + active_subvol = state->active_subvol = FIRST_CHILD (this); + } + UNLOCK (&priv->lock); + + if (active_subvol->itable == NULL) + active_subvol->itable = inode_table_new (4096, active_subvol); + + state->itable = active_subvol->itable; + + state->pool = this->ctx->pool; + + return state; +} + +void +quotad_aggregator_free_state (quotad_aggregator_state_t *state) +{ + if (state->xdata) + dict_unref (state->xdata); + + GF_FREE (state); +} + +call_frame_t * +quotad_aggregator_alloc_frame (rpcsvc_request_t *req) +{ + call_frame_t *frame = NULL; + quotad_aggregator_state_t *state = NULL; + xlator_t *this = NULL; + + GF_VALIDATE_OR_GOTO ("server", req, out); + GF_VALIDATE_OR_GOTO ("server", req->trans, out); + GF_VALIDATE_OR_GOTO ("server", req->svc, out); + GF_VALIDATE_OR_GOTO ("server", req->svc->ctx, out); + + this = req->svc->mydata; + + frame = create_frame (this, req->svc->ctx->pool); + if (!frame) + goto out; + + state = get_quotad_aggregator_state (this, req); + if (!state) + goto out; + + frame->root->state = state; + frame->root->unique = 0; + + frame->this = this; +out: + return frame; +} + +call_frame_t * +quotad_aggregator_get_frame_from_req (rpcsvc_request_t *req) +{ + call_frame_t *frame = NULL; + client_t *client = NULL; + + GF_VALIDATE_OR_GOTO ("server", req, out); + + frame = quotad_aggregator_alloc_frame (req); + if (!frame) + goto out; + + client = req->trans->xl_private; + + frame->root->op = req->procnum; + + frame->root->unique = req->xid; + + frame->root->uid = req->uid; + frame->root->gid = req->gid; + frame->root->pid = req->pid; + + gf_client_ref (client); + frame->root->client = client; + + frame->root->lk_owner = req->lk_owner; + + frame->local = req; +out: + return frame; +} diff --git a/xlators/features/quota/src/quotad-helpers.h b/xlators/features/quota/src/quotad-helpers.h new file mode 100644 index 00000000000..a10fb7fa82a --- /dev/null +++ b/xlators/features/quota/src/quotad-helpers.h @@ -0,0 +1,24 @@ +/* + Copyright (c) 2008-2012 Red Hat, Inc. <http://www.redhat.com> + This file is part of GlusterFS. + + This file is licensed to you under your choice of the GNU Lesser + General Public License, version 3 or any later version (LGPLv3 or + later), or the GNU General Public License, version 2 (GPLv2), in all + cases as published by the Free Software Foundation. +*/ + +#ifndef QUOTAD_HELPERS_H +#define QUOTAD_HELPERS_H + +#include "rpcsvc.h" +#include "quota.h" +#include "quotad-aggregator.h" + +void +quotad_aggregator_free_state (quotad_aggregator_state_t *state); + +call_frame_t * +quotad_aggregator_get_frame_from_req (rpcsvc_request_t *req); + +#endif diff --git a/xlators/features/quota/src/quotad.c b/xlators/features/quota/src/quotad.c new file mode 100644 index 00000000000..243b943e986 --- /dev/null +++ b/xlators/features/quota/src/quotad.c @@ -0,0 +1,210 @@ +/* + Copyright (c) 2013 Red Hat, Inc. <http://www.redhat.com> + This file is part of GlusterFS. + + This file is licensed to you under your choice of the GNU Lesser + General Public License, version 3 or any later version (LGPLv3 or + later), or the GNU General Public License, version 2 (GPLv2), in all + cases as published by the Free Software Foundation. +*/ +#include "quota.h" +#include "quotad-aggregator.h" +#include "common-utils.h" + +int32_t +mem_acct_init (xlator_t *this) +{ + int ret = -1; + + if (!this) + return ret; + + ret = xlator_mem_acct_init (this, gf_quota_mt_end + 1); + + if (0 != ret) { + gf_log (this->name, GF_LOG_WARNING, "Memory accounting " + "init failed"); + return ret; + } + + return ret; +} + +int32_t +qd_lookup_cbk (call_frame_t *frame, void *cookie, xlator_t *this, + int32_t op_ret, int32_t op_errno, inode_t *inode, + struct iatt *buf, dict_t *xdata, struct iatt *postparent) +{ + quotad_aggregator_lookup_cbk_t lookup_cbk = NULL; + gfs3_lookup_rsp rsp = {0, }; + + lookup_cbk = cookie; + + rsp.op_ret = op_ret; + rsp.op_errno = op_errno; + + gf_stat_from_iatt (&rsp.postparent, postparent); + + GF_PROTOCOL_DICT_SERIALIZE (this, xdata, (&rsp.xdata.xdata_val), + rsp.xdata.xdata_len, rsp.op_errno, out); + + gf_stat_from_iatt (&rsp.stat, buf); + +out: + lookup_cbk (this, frame, &rsp); + + GF_FREE (rsp.xdata.xdata_val); + + inode_unref (inode); + + return 0; +} + +xlator_t * +qd_find_subvol (xlator_t *this, char *volume_uuid) +{ + xlator_list_t *child = NULL; + xlator_t *subvol = NULL; + char key[1024]; + char *optstr = NULL; + + if (!this || !volume_uuid) + goto out; + + for (child = this->children; child; child = child->next) { + snprintf(key, 1024, "%s.volume-id", child->xlator->name); + if (dict_get_str(this->options, key, &optstr) < 0) + continue; + + if (strcmp (optstr, volume_uuid) == 0) { + subvol = child->xlator; + break; + } + } + +out: + return subvol; +} + +int +qd_nameless_lookup (xlator_t *this, call_frame_t *frame, gfs3_lookup_req *req, + dict_t *xdata, quotad_aggregator_lookup_cbk_t lookup_cbk) +{ + gfs3_lookup_rsp rsp = {0, }; + int op_errno = 0, ret = -1; + loc_t loc = {0, }; + quotad_aggregator_state_t *state = NULL; + quota_priv_t *priv = NULL; + xlator_t *subvol = NULL; + char *volume_uuid = NULL; + + priv = this->private; + state = frame->root->state; + + frame->root->op = GF_FOP_LOOKUP; + + loc.inode = inode_new (state->itable); + if (loc.inode == NULL) { + op_errno = ENOMEM; + goto out; + } + + memcpy (loc.gfid, req->gfid, 16); + + ret = dict_get_str (xdata, "volume-uuid", &volume_uuid); + if (ret < 0) { + op_errno = EINVAL; + goto out; + } + + subvol = qd_find_subvol (this, volume_uuid); + if (subvol == NULL) { + op_errno = EINVAL; + goto out; + } + + STACK_WIND_COOKIE (frame, qd_lookup_cbk, lookup_cbk, subvol, + subvol->fops->lookup, &loc, xdata); + return 0; + +out: + rsp.op_ret = -1; + rsp.op_errno = op_errno; + + lookup_cbk (this, frame, &rsp); + + inode_unref (loc.inode); + return 0; +} + +int +qd_reconfigure (xlator_t *this, dict_t *options) +{ + /* As of now quotad is restarted upon alteration of volfile */ + return 0; +} + +void +qd_fini (xlator_t *this) +{ + return; +} + +int32_t +qd_init (xlator_t *this) +{ + int32_t ret = -1; + quota_priv_t *priv = NULL; + + if (NULL == this->children) { + gf_log (this->name, GF_LOG_ERROR, + "FATAL: quota (%s) not configured for min of 1 child", + this->name); + ret = -1; + goto err; + } + + QUOTA_ALLOC_OR_GOTO (priv, quota_priv_t, err); + LOCK_INIT (&priv->lock); + + this->private = priv; + + ret = quotad_aggregator_init (this); + if (ret < 0) + goto err; + + ret = 0; +err: + if (ret) { + GF_FREE (priv); + } + return ret; +} + +class_methods_t class_methods = { + .init = qd_init, + .fini = qd_fini, + .reconfigure = qd_reconfigure, +}; + +struct xlator_fops fops = { +}; + +struct xlator_cbks cbks = { +}; + +struct volume_options options[] = { + { .key = {"transport-type"}, + .value = {"rpc", "rpc-over-rdma", "tcp", "socket", "ib-verbs", + "unix", "ib-sdp", "tcp/server", "ib-verbs/server", "rdma", + "rdma*([ \t]),*([ \t])socket", + "rdma*([ \t]),*([ \t])tcp", + "tcp*([ \t]),*([ \t])rdma", + "socket*([ \t]),*([ \t])rdma"}, + .type = GF_OPTION_TYPE_STR + }, + { .key = {"transport.*"}, + .type = GF_OPTION_TYPE_ANY, + }, + {.key = {NULL}} +}; |