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-rw-r--r--xlators/cluster/afr/src/afr-common.c24
-rw-r--r--xlators/cluster/afr/src/afr-inode-read.c178
-rw-r--r--xlators/features/locks/src/Makefile.am12
-rw-r--r--xlators/features/locks/src/clear.c409
-rw-r--r--xlators/features/locks/src/clear.h86
-rw-r--r--xlators/features/locks/src/posix.c111
6 files changed, 784 insertions, 36 deletions
diff --git a/xlators/cluster/afr/src/afr-common.c b/xlators/cluster/afr/src/afr-common.c
index b0f7b38f3fd..a5dee65f621 100644
--- a/xlators/cluster/afr/src/afr-common.c
+++ b/xlators/cluster/afr/src/afr-common.c
@@ -808,7 +808,6 @@ afr_local_transaction_cleanup (afr_local_t *local, xlator_t *this)
GF_FREE (local->transaction.pre_op);
GF_FREE (local->transaction.child_errno);
- GF_FREE (local->child_errno);
GF_FREE (local->transaction.eager_lock);
GF_FREE (local->transaction.basename);
@@ -845,6 +844,9 @@ afr_local_cleanup (afr_local_t *local, xlator_t *this)
if (local->child_up)
GF_FREE (local->child_up);
+ if (local->child_errno)
+ GF_FREE (local->child_errno);
+
if (local->fresh_children)
GF_FREE (local->fresh_children);
@@ -3592,8 +3594,8 @@ afr_local_init (afr_local_t *local, afr_private_t *priv, int32_t *op_errno)
local->op_ret = -1;
local->op_errno = EUCLEAN;
- local->child_up = GF_CALLOC (sizeof (*local->child_up),
- priv->child_count,
+ local->child_up = GF_CALLOC (priv->child_count,
+ sizeof (*local->child_up),
gf_afr_mt_char);
if (!local->child_up) {
if (op_errno)
@@ -3611,6 +3613,16 @@ afr_local_init (afr_local_t *local, afr_private_t *priv, int32_t *op_errno)
*op_errno = ENOTCONN;
goto out;
}
+
+ local->child_errno = GF_CALLOC (priv->child_count,
+ sizeof (*local->child_errno),
+ gf_afr_mt_int32_t);
+ if (!local->child_errno) {
+ if (op_errno)
+ *op_errno = ENOMEM;
+ goto out;
+ }
+
ret = 0;
out:
return ret;
@@ -3711,12 +3723,6 @@ afr_transaction_local_init (afr_local_t *local, xlator_t *this)
local->first_up_child = afr_first_up_child (local->child_up,
priv->child_count);
- local->child_errno = GF_CALLOC (sizeof (*local->child_errno),
- priv->child_count,
- gf_afr_mt_int32_t);
- if (!local->child_errno)
- goto out;
-
local->transaction.eager_lock =
GF_CALLOC (sizeof (*local->transaction.eager_lock),
priv->child_count,
diff --git a/xlators/cluster/afr/src/afr-inode-read.c b/xlators/cluster/afr/src/afr-inode-read.c
index 0ef0f4f8642..ec0acbd3b0b 100644
--- a/xlators/cluster/afr/src/afr-inode-read.c
+++ b/xlators/cluster/afr/src/afr-inode-read.c
@@ -632,6 +632,101 @@ afr_getxattr_unwind (call_frame_t *frame,
}
int32_t
+afr_getxattr_clrlk_cbk (call_frame_t *frame, void *cookie,
+ xlator_t *this, int32_t op_ret, int32_t op_errno,
+ dict_t *dict)
+{
+ afr_local_t *local = NULL;
+ afr_private_t *priv = NULL;
+ xlator_t **children = NULL;
+ dict_t *xattr = NULL;
+ char *tmp_report = NULL;
+ char lk_summary[1024] = {0,};
+ int serz_len = 0;
+ int32_t callcnt = 0;
+ long int cky = 0;
+ int ret = 0;
+
+ priv = this->private;
+ children = priv->children;
+
+ local = frame->local;
+ cky = (long) cookie;
+
+ LOCK (&frame->lock);
+ {
+ callcnt = --local->call_count;
+
+ if (!local->dict)
+ local->dict = dict_new ();
+ if (local->dict) {
+ ret = dict_get_str (dict, local->cont.getxattr.name,
+ &tmp_report);
+ if (ret)
+ goto unlock;
+ ret = dict_set_str (local->dict,
+ children[cky]->name,
+ tmp_report);
+ if (ret)
+ goto unlock;
+ }
+ if (op_ret == -1)
+ local->child_errno[cky] = op_errno;
+ }
+unlock:
+ UNLOCK (&frame->lock);
+
+ if (!callcnt) {
+ xattr = dict_new ();
+ if (!xattr) {
+ op_ret = -1;
+ op_errno = ENOMEM;
+ goto unwind;
+ }
+ ret = dict_serialize_value_with_delim (local->dict,
+ lk_summary,
+ &serz_len, '\n');
+ if (ret) {
+ op_ret = -1;
+ op_errno = ENOMEM;
+ gf_log (this->name, GF_LOG_ERROR,
+ "Error serializing dictionary");
+ goto unwind;
+ }
+ if (serz_len == -1)
+ snprintf (lk_summary, sizeof (lk_summary),
+ "No locks cleared.");
+ ret = dict_set_dynstr (xattr, local->cont.getxattr.name,
+ gf_strdup (lk_summary));
+ if (ret) {
+ op_ret = -1;
+ op_errno = ENOMEM;
+ gf_log (this->name, GF_LOG_ERROR,
+ "Error setting dictionary");
+ goto unwind;
+ }
+
+ unwind:
+ // Updating child_errno with more recent 'events'
+ local->child_errno[cky] = op_errno;
+ op_errno = afr_resultant_errno_get (NULL, local->child_errno,
+ priv->child_count);
+ AFR_STACK_UNWIND (getxattr, frame, op_ret, op_errno, xattr);
+
+ if (local->dict)
+ dict_unref (local->dict);
+
+ if (local->child_errno)
+ GF_FREE (local->child_errno);
+
+ if (xattr)
+ dict_unref (xattr);
+ }
+
+ return ret;
+}
+
+int32_t
afr_getxattr_pathinfo_cbk (call_frame_t *frame, void *cookie,
xlator_t *this, int32_t op_ret, int32_t op_errno,
dict_t *dict)
@@ -735,20 +830,69 @@ afr_getxattr_pathinfo_cbk (call_frame_t *frame, void *cookie,
return ret;
}
+static gf_boolean_t
+afr_is_special_xattr (const char *name, fop_getxattr_cbk_t *cbk)
+{
+ gf_boolean_t is_spl = _gf_true;
+
+ GF_ASSERT (cbk);
+ if (!cbk) {
+ is_spl = _gf_false;
+ goto out;
+ }
+
+ if (!strcmp (name, GF_XATTR_PATHINFO_KEY))
+ *cbk = afr_getxattr_pathinfo_cbk;
+
+ else if (!strcmp (name, GF_XATTR_CLRLK_CMD))
+ *cbk = afr_getxattr_clrlk_cbk;
+ else
+ is_spl = _gf_false;
+
+out:
+ return is_spl;
+}
+
+static void
+afr_getxattr_frm_all_children (xlator_t *this, call_frame_t *frame,
+ const char *name, loc_t *loc,
+ fop_getxattr_cbk_t cbk)
+{
+ afr_private_t *priv = NULL;
+ afr_local_t *local = NULL;
+ xlator_t **children = NULL;
+ int i = 0;
+
+ priv = this->private;
+ children = priv->children;
+
+ local = frame->local;
+ local->call_count = priv->child_count;
+
+ for (i = 0; i < priv->child_count; i++) {
+ STACK_WIND_COOKIE (frame, cbk,
+ (void *) (long) i,
+ children[i], children[i]->fops->getxattr,
+ loc, name);
+ }
+ return;
+}
+
int32_t
afr_getxattr (call_frame_t *frame, xlator_t *this,
loc_t *loc, const char *name)
{
- afr_private_t *priv = NULL;
- xlator_t **children = NULL;
- int call_child = 0;
- afr_local_t *local = NULL;
- xlator_list_t *trav = NULL;
- xlator_t **sub_volumes = NULL;
- int i = 0;
- int32_t op_errno = 0;
- int32_t read_child = -1;
- int ret = -1;
+ afr_private_t *priv = NULL;
+ xlator_t **children = NULL;
+ int call_child = 0;
+ afr_local_t *local = NULL;
+ xlator_list_t *trav = NULL;
+ xlator_t **sub_volumes = NULL;
+ int i = 0;
+ int32_t op_errno = 0;
+ int32_t read_child = -1;
+ int ret = -1;
+ fop_getxattr_cbk_t cbk = NULL;
VALIDATE_OR_GOTO (frame, out);
@@ -814,17 +958,9 @@ afr_getxattr (call_frame_t *frame, xlator_t *this,
* if we are doing getxattr with pathinfo as the key then we
* collect information from all childs
*/
- if (strncmp (name, GF_XATTR_PATHINFO_KEY,
- strlen (GF_XATTR_PATHINFO_KEY)) == 0) {
-
- local->call_count = priv->child_count;
- for (i = 0; i < priv->child_count; i++) {
- STACK_WIND_COOKIE (frame, afr_getxattr_pathinfo_cbk,
- (void *) (long) i,
- children[i], children[i]->fops->getxattr,
- loc, name);
- }
-
+ if (afr_is_special_xattr (name, &cbk)) {
+ afr_getxattr_frm_all_children (this, frame, name,
+ loc, cbk);
return 0;
}
diff --git a/xlators/features/locks/src/Makefile.am b/xlators/features/locks/src/Makefile.am
index 53dd3aa5da5..e39676826b4 100644
--- a/xlators/features/locks/src/Makefile.am
+++ b/xlators/features/locks/src/Makefile.am
@@ -3,12 +3,14 @@ xlatordir = $(libdir)/glusterfs/$(PACKAGE_VERSION)/xlator/features
locks_la_LDFLAGS = -module -avoidversion
-locks_la_SOURCES = common.c posix.c entrylk.c inodelk.c reservelk.c
-locks_la_LIBADD = $(top_builddir)/libglusterfs/src/libglusterfs.la
+locks_la_SOURCES = common.c posix.c entrylk.c inodelk.c reservelk.c \
+ clear.c
+locks_la_LIBADD = $(top_builddir)/libglusterfs/src/libglusterfs.la
-noinst_HEADERS = locks.h common.h locks-mem-types.h
+noinst_HEADERS = locks.h common.h locks-mem-types.h clear.h
-AM_CFLAGS = -fPIC -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE -Wall -fno-strict-aliasing -D$(GF_HOST_OS) \
+AM_CFLAGS = -fPIC -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE -Wall \
+ -fno-strict-aliasing -D$(GF_HOST_OS) \
-I$(top_srcdir)/libglusterfs/src $(GF_CFLAGS) -shared -nostartfiles
CLEANFILES =
@@ -17,4 +19,4 @@ uninstall-local:
rm -f $(DESTDIR)$(xlatordir)/posix-locks.so
install-data-hook:
- ln -sf locks.so $(DESTDIR)$(xlatordir)/posix-locks.so \ No newline at end of file
+ ln -sf locks.so $(DESTDIR)$(xlatordir)/posix-locks.so
diff --git a/xlators/features/locks/src/clear.c b/xlators/features/locks/src/clear.c
new file mode 100644
index 00000000000..a7b2455e33c
--- /dev/null
+++ b/xlators/features/locks/src/clear.c
@@ -0,0 +1,409 @@
+/*
+ Copyright (c) 2006-2011 Gluster, Inc. <http://www.gluster.com>
+ This file is part of GlusterFS.
+
+ GlusterFS is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published
+ by the Free Software Foundation; either version 3 of the License,
+ or (at your option) any later version.
+
+ GlusterFS is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see
+ <http://www.gnu.org/licenses/>.
+*/
+
+#include <unistd.h>
+#include <fcntl.h>
+#include <limits.h>
+#include <pthread.h>
+
+#ifndef _CONFIG_H
+#define _CONFIG_H
+#include "config.h"
+#endif
+
+#include "glusterfs.h"
+#include "compat.h"
+#include "xlator.h"
+#include "inode.h"
+#include "logging.h"
+#include "common-utils.h"
+
+#include "locks.h"
+#include "common.h"
+#include "statedump.h"
+#include "clear.h"
+
+int
+clrlk_get_kind (char *kind)
+{
+ char *clrlk_kinds[CLRLK_KIND_MAX] = {"dummy", "blocked", "granted",
+ "all"};
+ int ret_kind = CLRLK_KIND_MAX;
+ int i = 0;
+
+ for (i = CLRLK_BLOCKED; i < CLRLK_KIND_MAX; i++) {
+ if (!strcmp (clrlk_kinds[i], kind)) {
+ ret_kind = i;
+ break;
+ }
+ }
+
+ return ret_kind;
+}
+
+int
+clrlk_get_type (char *type)
+{
+ char *clrlk_types[CLRLK_TYPE_MAX] = {"inode", "entry", "posix"};
+ int ret_type = CLRLK_TYPE_MAX;
+ int i = 0;
+
+ for (i = CLRLK_INODE; i < CLRLK_TYPE_MAX; i++) {
+ if (!strcmp (clrlk_types[i], type)) {
+ ret_type = i;
+ break;
+ }
+ }
+
+ return ret_type;
+}
+
+int
+clrlk_get_lock_range (char *range_str, struct gf_flock *ulock,
+ gf_boolean_t *chk_range)
+{
+ int ret = -1;
+
+ if (!chk_range)
+ goto out;
+
+ if (!range_str) {
+ ret = 0;
+ *chk_range = _gf_false;
+ goto out;
+ }
+
+ if (sscanf (range_str, "%hd,%"PRId64"-""%"PRId64, &ulock->l_whence,
+ &ulock->l_start, &ulock->l_len) != 3) {
+ goto out;
+ }
+
+ ret = 0;
+ *chk_range = _gf_true;
+out:
+ return ret;
+}
+
+int
+clrlk_parse_args (const char* cmd, clrlk_args *args)
+{
+ char *opts = NULL;
+ char *cur = NULL;
+ char *tok = NULL;
+ char *sptr = NULL;
+ char *free_ptr = NULL;
+ char kw[KW_MAX] = {[KW_TYPE] = 't',
+ [KW_KIND] = 'k',
+ };
+ int ret = -1;
+ int i = 0;
+
+ GF_ASSERT (cmd);
+ free_ptr = opts = GF_CALLOC (1, strlen (cmd), gf_common_mt_char);
+ if (!opts)
+ goto out;
+
+ if (sscanf (cmd, GF_XATTR_CLRLK_CMD".%s", opts) < 1) {
+ ret = -1;
+ goto out;
+ }
+
+ /*clr_lk_prefix.ttype.kkind.args, args - type specific*/
+ cur = opts;
+ for (i = 0; i < KW_MAX && (tok = strtok_r (cur, ".", &sptr));
+ cur = NULL, i++) {
+ if (tok[0] != kw[i]) {
+ ret = -1;
+ goto out;
+ }
+ if (i == KW_TYPE)
+ args->type = clrlk_get_type (tok+1);
+ if (i == KW_KIND)
+ args->kind = clrlk_get_kind (tok+1);
+ }
+
+ if ((args->type == CLRLK_TYPE_MAX) || (args->kind == CLRLK_KIND_MAX))
+ goto out;
+
+ /*optional args*/
+ tok = strtok_r (NULL, ".", &sptr);
+ if (tok)
+ args->opts = gf_strdup (tok);
+
+ ret = 0;
+out:
+ if (free_ptr)
+ GF_FREE (free_ptr);
+ return ret;
+}
+
+int
+clrlk_clear_posixlk (xlator_t *this, pl_inode_t *pl_inode, clrlk_args *args,
+ int *blkd, int *granted, int *op_errno)
+{
+ posix_lock_t *plock = NULL;
+ posix_lock_t *tmp = NULL;
+ struct gf_flock ulock = {0, };
+ int ret = -1;
+ int bcount = 0;
+ int gcount = 0;
+ gf_boolean_t chk_range = _gf_false;
+
+ if (clrlk_get_lock_range (args->opts, &ulock, &chk_range)) {
+ *op_errno = EINVAL;
+ goto out;
+ }
+
+ pthread_mutex_lock (&pl_inode->mutex);
+ {
+ list_for_each_entry_safe (plock, tmp, &pl_inode->ext_list,
+ list) {
+ if ((plock->blocked &&
+ !(args->kind & CLRLK_BLOCKED)) ||
+ (!plock->blocked &&
+ !(args->kind & CLRLK_GRANTED)))
+ continue;
+
+ if (chk_range &&
+ (plock->user_flock.l_whence != ulock.l_whence
+ || plock->user_flock.l_start != ulock.l_start
+ || plock->user_flock.l_len != ulock.l_len))
+ continue;
+
+ list_del_init (&plock->list);
+ if (plock->blocked) {
+ bcount++;
+ pl_trace_out (this, plock->frame, NULL, NULL,
+ F_SETLKW, &plock->user_flock,
+ -1, EAGAIN, NULL);
+
+ STACK_UNWIND (plock->frame, -1, EAGAIN,
+ &plock->user_flock);
+
+ } else {
+ gcount++;
+ }
+ GF_FREE (plock);
+ }
+ }
+ pthread_mutex_unlock (&pl_inode->mutex);
+ grant_blocked_locks (this, pl_inode);
+out:
+ *blkd = bcount;
+ *granted = gcount;
+ return ret;
+}
+
+/* Returns 0 on success and -1 on failure */
+int
+clrlk_clear_inodelk (xlator_t *this, pl_inode_t *pl_inode, pl_dom_list_t *dom,
+ clrlk_args *args, int *blkd, int *granted, int *op_errno)
+{
+ pl_inode_lock_t *ilock = NULL;
+ pl_inode_lock_t *tmp = NULL;
+ struct gf_flock ulock = {0, };
+ int ret = -1;
+ int bcount = 0;
+ int gcount = 0;
+ gf_boolean_t chk_range = _gf_false;
+
+ if (clrlk_get_lock_range (args->opts, &ulock, &chk_range)) {
+ *op_errno = EINVAL;
+ goto out;
+ }
+
+ if (args->kind & CLRLK_BLOCKED)
+ goto blkd;
+
+ if (args->kind & CLRLK_GRANTED)
+ goto granted;
+
+blkd:
+ pthread_mutex_lock (&pl_inode->mutex);
+ {
+ list_for_each_entry_safe (ilock, tmp, &dom->blocked_inodelks,
+ blocked_locks) {
+ if (chk_range &&
+ (ilock->user_flock.l_whence != ulock.l_whence
+ || ilock->user_flock.l_start != ulock.l_start
+ || ilock->user_flock.l_len != ulock.l_len))
+ continue;
+
+ bcount++;
+ list_del_init (&ilock->list);
+ pl_trace_out (this, ilock->frame, NULL, NULL, F_SETLKW,
+ &ilock->user_flock, -1, EAGAIN,
+ ilock->volume);
+ STACK_UNWIND_STRICT (inodelk, ilock->frame, -1,
+ EAGAIN);
+ GF_FREE (ilock);
+ }
+ }
+ pthread_mutex_unlock (&pl_inode->mutex);
+
+ if (!(args->kind & CLRLK_GRANTED)) {
+ ret = 0;
+ goto out;
+ }
+
+granted:
+ pthread_mutex_lock (&pl_inode->mutex);
+ {
+ list_for_each_entry_safe (ilock, tmp, &dom->inodelk_list,
+ list) {
+ if (chk_range &&
+ (ilock->user_flock.l_whence != ulock.l_whence
+ || ilock->user_flock.l_start != ulock.l_start
+ || ilock->user_flock.l_len != ulock.l_len))
+ continue;
+
+ gcount++;
+ list_del_init (&ilock->list);
+ GF_FREE (ilock);
+ }
+ }
+ pthread_mutex_unlock (&pl_inode->mutex);
+
+ grant_blocked_inode_locks (this, pl_inode, dom);
+ ret = 0;
+out:
+ *blkd = bcount;
+ *granted = gcount;
+ return ret;
+}
+
+/* Returns 0 on success and -1 on failure */
+int
+clrlk_clear_entrylk (xlator_t *this, pl_inode_t *pl_inode, pl_dom_list_t *dom,
+ clrlk_args *args, int *blkd, int *granted, int *op_errno)
+{
+ pl_entry_lock_t *elock = NULL;
+ pl_entry_lock_t *tmp = NULL;
+ struct list_head removed = {0};
+ int bcount = 0;
+ int gcount = 0;
+ int ret = -1;
+
+ if (args->kind & CLRLK_BLOCKED)
+ goto blkd;
+
+ if (args->kind & CLRLK_GRANTED)
+ goto granted;
+
+blkd:
+ pthread_mutex_lock (&pl_inode->mutex);
+ {
+ list_for_each_entry_safe (elock, tmp, &dom->blocked_entrylks,
+ blocked_locks) {
+ if (args->opts &&
+ strncmp (elock->basename, args->opts,
+ strlen (elock->basename)))
+ continue;
+
+ bcount++;
+ list_del_init (&elock->domain_list);
+ STACK_UNWIND_STRICT (entrylk, elock->frame, -1,
+ EAGAIN);
+ GF_FREE ((char *) elock->basename);
+ GF_FREE (elock);
+ }
+ }
+ pthread_mutex_unlock (&pl_inode->mutex);
+
+ if (!(args->kind & CLRLK_GRANTED)) {
+ ret = 0;
+ goto out;
+ }
+
+granted:
+ INIT_LIST_HEAD (&removed);
+ pthread_mutex_lock (&pl_inode->mutex);
+ {
+ list_for_each_entry_safe (elock, tmp, &dom->entrylk_list,
+ domain_list) {
+ if (!elock->basename)
+ continue;
+
+ if (args->opts &&
+ strncmp (elock->basename, args->opts,
+ strlen (elock->basename)))
+ continue;
+
+ gcount++;
+ list_del_init (&elock->domain_list);
+ list_add_tail (&elock->domain_list, &removed);
+ }
+ }
+ pthread_mutex_unlock (&pl_inode->mutex);
+
+ list_for_each_entry_safe (elock, tmp, &removed, domain_list) {
+ grant_blocked_entry_locks (this, pl_inode, elock, dom);
+ }
+
+ ret = 0;
+out:
+ *blkd = bcount;
+ *granted = gcount;
+ return ret;
+}
+
+int
+clrlk_clear_lks_in_all_domains (xlator_t *this, pl_inode_t *pl_inode,
+ clrlk_args *args, int *blkd, int *granted,
+ int *op_errno)
+{
+ pl_dom_list_t *dom = NULL;
+ int ret = -1;
+ int tmp_bcount = 0;
+ int tmp_gcount = 0;
+
+ if (list_empty (&pl_inode->dom_list)) {
+ ret = 0;
+ goto out;
+ }
+
+ list_for_each_entry (dom, &pl_inode->dom_list, inode_list) {
+ tmp_bcount = tmp_gcount = 0;
+
+ switch (args->type)
+ {
+ case CLRLK_INODE:
+ ret = clrlk_clear_inodelk (this, pl_inode, dom, args,
+ &tmp_bcount, &tmp_gcount,
+ op_errno);
+ if (ret)
+ goto out;
+ break;
+ case CLRLK_ENTRY:
+ ret = clrlk_clear_entrylk (this, pl_inode, dom, args,
+ &tmp_bcount, &tmp_gcount,
+ op_errno);
+ if (ret)
+ goto out;
+ break;
+ }
+
+ *blkd += tmp_bcount;
+ *granted += tmp_gcount;
+ }
+
+ ret = 0;
+out:
+ return ret;
+}
diff --git a/xlators/features/locks/src/clear.h b/xlators/features/locks/src/clear.h
new file mode 100644
index 00000000000..95572a9710e
--- /dev/null
+++ b/xlators/features/locks/src/clear.h
@@ -0,0 +1,86 @@
+/*
+ Copyright (c) 2006-2011 Gluster, Inc. <http://www.gluster.com>
+ This file is part of GlusterFS.
+
+ GlusterFS is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published
+ by the Free Software Foundation; either version 3 of the License,
+ or (at your option) any later version.
+
+ GlusterFS is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see
+ <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef __CLEAR_H__
+#define __CLEAR_H__
+
+#ifndef _CONFIG_H
+#define _CONFIG_H
+#include "config.h"
+#endif
+
+#include "compat-errno.h"
+#include "stack.h"
+#include "call-stub.h"
+#include "locks.h"
+
+typedef enum {
+ CLRLK_INODE,
+ CLRLK_ENTRY,
+ CLRLK_POSIX,
+ CLRLK_TYPE_MAX
+} clrlk_type;
+
+typedef enum {
+ CLRLK_BLOCKED = 1,
+ CLRLK_GRANTED,
+ CLRLK_ALL,
+ CLRLK_KIND_MAX
+} clrlk_kind;
+
+typedef enum {
+ KW_TYPE,
+ KW_KIND,
+ /*add new keywords here*/
+ KW_MAX
+} clrlk_opts;
+
+struct _clrlk_args;
+typedef struct _clrlk_args clrlk_args;
+
+struct _clrlk_args {
+ int type;
+ int kind;
+ char *opts;
+};
+
+int
+clrlk_get__kind (char *kind);
+int
+clrlk_get_type (char *type);
+int
+clrlk_get_lock_range (char *range_str, struct gf_flock *ulock,
+ gf_boolean_t *chk_range);
+int
+clrlk_parse_args (const char* cmd, clrlk_args *args);
+
+int
+clrlk_clear_posixlk (xlator_t *this, pl_inode_t *pl_inode, clrlk_args *args,
+ int *blkd, int *granted, int *op_errno);
+int
+clrlk_clear_inodelk (xlator_t *this, pl_inode_t *pl_inode, pl_dom_list_t *dom,
+ clrlk_args *args, int *blkd, int *granted, int *op_errno);
+int
+clrlk_clear_entrylk (xlator_t *this, pl_inode_t *pl_inode, pl_dom_list_t *dom,
+ clrlk_args *args, int *blkd, int *granted, int *op_errno);
+int
+clrlk_clear_lks_in_all_domains (xlator_t *this, pl_inode_t *pl_inode,
+ clrlk_args *args, int *blkd, int *granted,
+ int *op_errno);
+#endif /* __CLEAR_H__ */
diff --git a/xlators/features/locks/src/posix.c b/xlators/features/locks/src/posix.c
index 7ce4ec942be..bd30ca4937d 100644
--- a/xlators/features/locks/src/posix.c
+++ b/xlators/features/locks/src/posix.c
@@ -37,6 +37,7 @@
#include "locks.h"
#include "common.h"
#include "statedump.h"
+#include "clear.h"
#ifndef LLONG_MAX
#define LLONG_MAX LONG_LONG_MAX /* compat with old gcc */
@@ -352,6 +353,114 @@ __delete_locks_of_owner (pl_inode_t *pl_inode,
return;
}
+
+int32_t
+pl_getxattr_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, dict_t *dict)
+{
+ STACK_UNWIND_STRICT (getxattr, frame, op_ret, op_errno, dict);
+ return 0;
+
+}
+
+int32_t
+pl_getxattr (call_frame_t *frame, xlator_t *this, loc_t *loc,
+ const char *name)
+{
+ int op_errno = EINVAL;
+ int op_ret = -1;
+ int32_t bcount = 0;
+ int32_t gcount = 0;
+ char key[PATH_MAX] = {0, };
+ char *lk_summary = NULL;
+ pl_inode_t *pl_inode = NULL;
+ dict_t *dict = NULL;
+ clrlk_args args = {0,};
+
+ if (!name)
+ goto usual;
+
+ if (strncmp (name, GF_XATTR_CLRLK_CMD, strlen (GF_XATTR_CLRLK_CMD)))
+ goto usual;
+
+ if (clrlk_parse_args (name, &args)) {
+ op_errno = EINVAL;
+ goto out;
+ }
+
+ dict = dict_new ();
+ if (!dict) {
+ op_errno = ENOMEM;
+ goto out;
+ }
+
+ pl_inode = pl_inode_get (this, loc->inode);
+ if (!pl_inode) {
+ op_errno = ENOMEM;
+ goto out;
+ }
+
+ switch (args.type) {
+ case CLRLK_INODE:
+ case CLRLK_ENTRY:
+ op_ret = clrlk_clear_lks_in_all_domains (this, pl_inode,
+ &args, &bcount,
+ &gcount,
+ &op_errno);
+ if (op_ret)
+ goto out;
+ break;
+ case CLRLK_POSIX:
+ op_ret = clrlk_clear_posixlk (this, pl_inode, &args,
+ &bcount, &gcount,
+ &op_errno);
+ if (op_ret)
+ goto out;
+ break;
+ case CLRLK_TYPE_MAX:
+ op_errno = EINVAL;
+ goto out;
+ }
+
+ if (!gcount && !bcount) {
+ if (gf_asprintf (&lk_summary, "No locks cleared.") == -1) {
+ op_errno = ENOMEM;
+ goto out;
+ }
+ } else if (gf_asprintf (&lk_summary, "%s: %s blocked locks=%d "
+ "granted locks=%d", this->name,
+ (args.type == CLRLK_INODE)? "inode":
+ (args.type == CLRLK_ENTRY)? "entry":
+ (args.type == CLRLK_POSIX)? "posix": " ",
+ bcount, gcount) == -1) {
+ op_errno = ENOMEM;
+ goto out;
+ }
+
+ strncpy (key, name, strlen (name));
+ if (dict_set_dynstr (dict, key, lk_summary)) {
+ op_errno = ENOMEM;
+ goto out;
+ }
+
+ op_ret = 0;
+out:
+ STACK_UNWIND_STRICT (getxattr, frame, op_ret, op_errno, dict);
+
+ if (args.opts)
+ GF_FREE (args.opts);
+ if (op_ret && lk_summary)
+ GF_FREE (lk_summary);
+ if (dict)
+ dict_unref (dict);
+ return 0;
+
+usual:
+ STACK_WIND (frame, pl_getxattr_cbk, FIRST_CHILD(this),
+ FIRST_CHILD(this)->fops->getxattr, loc, name);
+ return 0;
+}
+
int32_t
pl_opendir_cbk (call_frame_t *frame,
void *cookie,
@@ -1980,8 +2089,8 @@ struct xlator_fops fops = {
.fentrylk = pl_fentrylk,
.flush = pl_flush,
.opendir = pl_opendir,
-
.readdirp = pl_readdirp,
+ .getxattr = pl_getxattr,
};
struct xlator_dumpops dumpops = {
generated by cgit (git 2.34.1) at 2024-11-05 21:38:13 +0000