summaryrefslogtreecommitdiffstats
path: root/xlators/performance/quick-read/src/quick-read.c
diff options
context:
space:
mode:
Diffstat (limited to 'xlators/performance/quick-read/src/quick-read.c')
-rw-r--r--xlators/performance/quick-read/src/quick-read.c2984
1 files changed, 649 insertions, 2335 deletions
diff --git a/xlators/performance/quick-read/src/quick-read.c b/xlators/performance/quick-read/src/quick-read.c
index 24e187a78..445ea8658 100644
--- a/xlators/performance/quick-read/src/quick-read.c
+++ b/xlators/performance/quick-read/src/quick-read.c
@@ -1,2418 +1,780 @@
/*
- Copyright (c) 2009-2010 Gluster, Inc. <http://www.gluster.com>
+ Copyright (c) 2008-2012 Red Hat, Inc. <http://www.redhat.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 Affero 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
- Affero General Public License for more details.
-
- You should have received a copy of the GNU Affero General Public License
- along with this program. If not, see
- <http://www.gnu.org/licenses/>.
+ 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 "quick-read.h"
#include "statedump.h"
-#define QR_DEFAULT_CACHE_SIZE 134217728
+qr_inode_t *qr_inode_ctx_get (xlator_t *this, inode_t *inode);
+void __qr_inode_prune (qr_inode_table_t *table, qr_inode_t *qr_inode);
-void
-qr_local_free (qr_local_t *local)
-{
- if (local == NULL) {
- goto out;
- }
- if (local->stub != NULL) {
- call_stub_destroy (local->stub);
- }
+int
+__qr_inode_ctx_set (xlator_t *this, inode_t *inode, qr_inode_t *qr_inode)
+{
+ uint64_t value = 0;
+ int ret = -1;
- if (local->path != NULL) {
- GF_FREE (local->path);
- }
+ value = (long) qr_inode;
- GF_FREE (local);
+ ret = __inode_ctx_set (inode, this, &value);
-out:
- return;
+ return ret;
}
-int32_t
-qr_readv (call_frame_t *frame, xlator_t *this, fd_t *fd, size_t size,
- off_t offset);
-
-
-static void
-qr_loc_wipe (loc_t *loc)
+qr_inode_t *
+__qr_inode_ctx_get (xlator_t *this, inode_t *inode)
{
- if (loc == NULL) {
- goto out;
- }
+ qr_inode_t *qr_inode = NULL;
+ uint64_t value = 0;
+ int ret = -1;
- if (loc->path) {
- GF_FREE ((char *)loc->path);
- loc->path = NULL;
- }
+ ret = __inode_ctx_get (inode, this, &value);
+ if (ret)
+ return NULL;
- if (loc->inode) {
- inode_unref (loc->inode);
- loc->inode = NULL;
- }
-
- if (loc->parent) {
- inode_unref (loc->parent);
- loc->parent = NULL;
- }
+ qr_inode = (void *) ((long) value);
-out:
- return;
+ return qr_inode;
}
-static int32_t
-qr_loc_fill (loc_t *loc, inode_t *inode, char *path)
+qr_inode_t *
+qr_inode_ctx_get (xlator_t *this, inode_t *inode)
{
- int32_t ret = -1;
- char *parent = NULL;
+ qr_inode_t *qr_inode = NULL;
- if ((loc == NULL) || (inode == NULL) || (path == NULL)
- || (inode->table == NULL)) {
- ret = -1;
- errno = EINVAL;
- goto out;
- }
-
- loc->inode = inode_ref (inode);
- loc->path = gf_strdup (path);
- loc->ino = inode->ino;
-
- parent = gf_strdup (path);
- if (parent == NULL) {
- ret = -1;
- goto out;
- }
-
- parent = dirname (parent);
-
- loc->parent = inode_from_path (inode->table, parent);
- if (loc->parent == NULL) {
- ret = -1;
- goto out;
- }
-
- loc->name = strrchr (loc->path, '/');
- ret = 0;
-out:
- if (ret == -1) {
- qr_loc_wipe (loc);
-
- }
-
- if (parent) {
- GF_FREE (parent);
- }
+ LOCK (&inode->lock);
+ {
+ qr_inode = __qr_inode_ctx_get (this, inode);
+ }
+ UNLOCK (&inode->lock);
- return ret;
+ return qr_inode;
}
-void
-qr_resume_pending_ops (qr_fd_ctx_t *qr_fd_ctx)
+qr_inode_t *
+qr_inode_new (xlator_t *this, inode_t *inode)
{
- struct list_head waiting_ops;
- call_stub_t *stub = NULL, *tmp = NULL;
-
- if (qr_fd_ctx == NULL) {
- goto out;
- }
+ qr_inode_t *qr_inode = NULL;
- INIT_LIST_HEAD (&waiting_ops);
+ qr_inode = GF_CALLOC (1, sizeof (*qr_inode), gf_qr_mt_qr_inode_t);
+ if (!qr_inode)
+ return NULL;
- LOCK (&qr_fd_ctx->lock);
- {
- list_splice_init (&qr_fd_ctx->waiting_ops,
- &waiting_ops);
- }
- UNLOCK (&qr_fd_ctx->lock);
+ INIT_LIST_HEAD (&qr_inode->lru);
- if (!list_empty (&waiting_ops)) {
- list_for_each_entry_safe (stub, tmp, &waiting_ops, list) {
- list_del_init (&stub->list);
- call_resume (stub);
- }
- }
+ qr_inode->priority = 0; /* initial priority */
-out:
- return;
+ return qr_inode;
}
-static void
-qr_fd_ctx_free (qr_fd_ctx_t *qr_fd_ctx)
+qr_inode_t *
+qr_inode_ctx_get_or_new (xlator_t *this, inode_t *inode)
{
- if (qr_fd_ctx == NULL) {
- goto out;
- }
+ qr_inode_t *qr_inode = NULL;
+ int ret = -1;
+ qr_private_t *priv = NULL;
- GF_ASSERT (list_empty (&qr_fd_ctx->waiting_ops));
+ priv = this->private;
- GF_FREE (qr_fd_ctx->path);
- GF_FREE (qr_fd_ctx);
+ LOCK (&inode->lock);
+ {
+ qr_inode = __qr_inode_ctx_get (this, inode);
+ if (qr_inode)
+ goto unlock;
-out:
- return;
-}
+ qr_inode = qr_inode_new (this, inode);
+ if (!qr_inode)
+ goto unlock;
-static inline uint32_t
-is_match (const char *path, const char *pattern)
-{
- int32_t ret = 0;
-
- ret = fnmatch (pattern, path, FNM_NOESCAPE);
+ ret = __qr_inode_ctx_set (this, inode, qr_inode);
+ if (ret) {
+ __qr_inode_prune (&priv->table, qr_inode);
+ GF_FREE (qr_inode);
+ }
+ }
+unlock:
+ UNLOCK (&inode->lock);
- return (ret == 0);
+ return qr_inode;
}
+
uint32_t
qr_get_priority (qr_conf_t *conf, const char *path)
{
- uint32_t priority = 0;
- struct qr_priority *curr = NULL;
+ uint32_t priority = 0;
+ struct qr_priority *curr = NULL;
list_for_each_entry (curr, &conf->priority_list, list) {
- if (is_match (path, curr->pattern))
+ if (fnmatch (curr->pattern, path, FNM_NOESCAPE) == 0)
priority = curr->priority;
}
- return priority;
+ return priority;
}
-/* To be called with this-priv->table.lock held */
-qr_inode_t *
-__qr_inode_alloc (xlator_t *this, char *path, inode_t *inode)
-{
- qr_inode_t *qr_inode = NULL;
- qr_private_t *priv = NULL;
- int priority = 0;
-
- priv = this->private;
-
- qr_inode = GF_CALLOC (1, sizeof (*qr_inode), gf_qr_mt_qr_inode_t);
- if (qr_inode == NULL) {
- gf_log (this->name, GF_LOG_ERROR, "out of memory");
- goto out;
- }
-
- INIT_LIST_HEAD (&qr_inode->lru);
-
- priority = qr_get_priority (&priv->conf, path);
-
- list_add_tail (&qr_inode->lru, &priv->table.lru[priority]);
-
- qr_inode->inode = inode;
- qr_inode->priority = priority;
-out:
- return qr_inode;
-}
-
-
-/* To be called with qr_inode->table->lock held */
void
-__qr_inode_free (qr_inode_t *qr_inode)
+__qr_inode_register (qr_inode_table_t *table, qr_inode_t *qr_inode)
{
- if (qr_inode == NULL) {
- goto out;
- }
-
- if (qr_inode->xattr) {
- dict_unref (qr_inode->xattr);
- }
+ if (!qr_inode->data)
+ return;
- list_del (&qr_inode->lru);
+ if (list_empty (&qr_inode->lru))
+ /* first time addition of this qr_inode into table */
+ table->cache_used += qr_inode->size;
+ else
+ list_del_init (&qr_inode->lru);
- GF_FREE (qr_inode);
-out:
- return;
+ list_add_tail (&qr_inode->lru, &table->lru[qr_inode->priority]);
}
-/* To be called with priv->table.lock held */
+
void
-__qr_cache_prune (xlator_t *this)
+qr_inode_set_priority (xlator_t *this, inode_t *inode, const char *path)
{
+ uint32_t priority = 0;
+ qr_inode_table_t *table = NULL;
+ qr_inode_t *qr_inode = NULL;
qr_private_t *priv = NULL;
- qr_conf_t *conf = NULL;
- qr_inode_table_t *table = NULL;
- qr_inode_t *curr = NULL, *next = NULL;
- int32_t index = 0;
- uint64_t size_to_prune = 0;
- uint64_t size_pruned = 0;
+ qr_conf_t *conf = NULL;
- priv = this->private;
- table = &priv->table;
- conf = &priv->conf;
+ qr_inode = qr_inode_ctx_get (this, inode);
+ if (!qr_inode)
+ return;
- size_to_prune = table->cache_used - conf->cache_size;
+ priv = this->private;
+ table = &priv->table;
+ conf = &priv->conf;
- for (index=0; index < conf->max_pri; index++) {
- list_for_each_entry_safe (curr, next, &table->lru[index], lru) {
- size_pruned += curr->stbuf.ia_size;
- inode_ctx_del (curr->inode, this, NULL);
- __qr_inode_free (curr);
- if (size_pruned >= size_to_prune)
- goto done;
- }
- }
+ if (path)
+ priority = qr_get_priority (conf, path);
+ else
+ /* retain existing priority, just bump LRU */
+ priority = qr_inode->priority;
-done:
- table->cache_used -= size_pruned;
- return;
-}
+ LOCK (&table->lock);
+ {
+ qr_inode->priority = priority;
-/* To be called with table->lock held */
-inline char
-__qr_need_cache_prune (qr_conf_t *conf, qr_inode_table_t *table)
-{
- return (table->cache_used > conf->cache_size);
+ __qr_inode_register (table, qr_inode);
+ }
+ UNLOCK (&table->lock);
}
-int32_t
-qr_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)
+/* To be called with priv->table.lock held */
+void
+__qr_inode_prune (qr_inode_table_t *table, qr_inode_t *qr_inode)
{
- data_t *content = NULL;
- qr_inode_t *qr_inode = NULL;
- uint64_t value = 0;
- int ret = -1;
- qr_conf_t *conf = NULL;
- qr_inode_table_t *table = NULL;
- qr_private_t *priv = NULL;
- qr_local_t *local = NULL;
-
- if ((op_ret == -1) || (dict == NULL)) {
- goto out;
- }
+ GF_FREE (qr_inode->data);
+ qr_inode->data = NULL;
- priv = this->private;
- conf = &priv->conf;
- table = &priv->table;
-
- local = frame->local;
-
- if (buf->ia_size > conf->max_file_size) {
- goto out;
- }
-
- if (IA_ISDIR (buf->ia_type)) {
- goto out;
- }
-
- if (inode == NULL) {
- op_ret = -1;
- op_errno = EINVAL;
- goto out;
- }
+ if (!list_empty (&qr_inode->lru)) {
+ table->cache_used -= qr_inode->size;
+ qr_inode->size = 0;
- content = dict_get (dict, GF_CONTENT_KEY);
- if (content == NULL) {
- goto out;
- }
-
- LOCK (&table->lock);
- {
- ret = inode_ctx_get (inode, this, &value);
- if (ret == -1) {
- qr_inode = __qr_inode_alloc (this, local->path, inode);
- if (qr_inode == NULL) {
- op_ret = -1;
- op_errno = ENOMEM;
- goto unlock;
- }
-
- ret = inode_ctx_put (inode, this,
- (uint64_t)(long)qr_inode);
- if (ret == -1) {
- __qr_inode_free (qr_inode);
- qr_inode = NULL;
- op_ret = -1;
- op_errno = EINVAL;
- goto unlock;
- }
- } else {
- qr_inode = (qr_inode_t *)(long)value;
- if (qr_inode == NULL) {
- op_ret = -1;
- op_errno = EINVAL;
- goto unlock;
- }
- }
-
- if (qr_inode->xattr) {
- dict_unref (qr_inode->xattr);
- qr_inode->xattr = NULL;
- table->cache_used -= qr_inode->stbuf.ia_size;
- }
-
- qr_inode->xattr = dict_ref (dict);
- qr_inode->stbuf = *buf;
- table->cache_used += buf->ia_size;
-
- gettimeofday (&qr_inode->tv, NULL);
- if (__qr_need_cache_prune (conf, table)) {
- __qr_cache_prune (this);
- }
- }
-unlock:
- UNLOCK (&table->lock);
-
-
-out:
- /*
- * FIXME: content size in dict can be greater than the size application
- * requested for. Applications need to be careful till this is fixed.
- */
- QR_STACK_UNWIND (lookup, frame, op_ret, op_errno, inode, buf, dict,
- postparent);
+ list_del_init (&qr_inode->lru);
+ }
- return 0;
+ memset (&qr_inode->buf, 0, sizeof (qr_inode->buf));
}
-int32_t
-qr_lookup (call_frame_t *frame, xlator_t *this, loc_t *loc, dict_t *xattr_req)
+void
+qr_inode_prune (xlator_t *this, inode_t *inode)
{
- qr_conf_t *conf = NULL;
- dict_t *new_req_dict = NULL;
- int32_t op_ret = -1, op_errno = -1;
- data_t *content = NULL;
- uint64_t requested_size = 0, size = 0, value = 0;
- char cached = 0;
- qr_inode_t *qr_inode = NULL;
- qr_private_t *priv = NULL;
- qr_inode_table_t *table = NULL;
- qr_local_t *local = NULL;
-
- priv = this->private;
- conf = &priv->conf;
- if (conf == NULL) {
- op_ret = -1;
- op_errno = EINVAL;
- goto unwind;
- }
-
- table = &priv->table;
- local = GF_CALLOC (1, sizeof (*local), gf_qr_mt_qr_local_t);
- GF_VALIDATE_OR_GOTO_WITH_ERROR (this->name, local, unwind, op_errno,
- ENOMEM);
-
- frame->local = local;
-
- local->path = gf_strdup (loc->path);
- GF_VALIDATE_OR_GOTO_WITH_ERROR (this->name, local, unwind, op_errno,
- ENOMEM);
- LOCK (&table->lock);
- {
- op_ret = inode_ctx_get (loc->inode, this, &value);
- if (op_ret == 0) {
- qr_inode = (qr_inode_t *)(long)value;
- if (qr_inode != NULL) {
- if (qr_inode->xattr) {
- cached = 1;
- }
- }
- }
- }
- UNLOCK (&table->lock);
-
- if ((xattr_req == NULL) && (conf->max_file_size > 0)) {
- new_req_dict = xattr_req = dict_new ();
- if (xattr_req == NULL) {
- op_ret = -1;
- op_errno = ENOMEM;
- gf_log (this->name, GF_LOG_ERROR, "out of memory");
- goto unwind;
- }
- }
-
- if (!cached) {
- if (xattr_req) {
- content = dict_get (xattr_req, GF_CONTENT_KEY);
- if (content) {
- requested_size = data_to_uint64 (content);
- }
- }
+ qr_private_t *priv = NULL;
+ qr_inode_table_t *table = NULL;
+ qr_inode_t *qr_inode = NULL;
- if ((conf->max_file_size > 0)
- && (conf->max_file_size != requested_size)) {
- size = (conf->max_file_size > requested_size) ?
- conf->max_file_size : requested_size;
-
- op_ret = dict_set (xattr_req, GF_CONTENT_KEY,
- data_from_uint64 (size));
- if (op_ret < 0) {
- op_ret = -1;
- op_errno = ENOMEM;
- goto unwind;
- }
- }
- }
-
- STACK_WIND (frame, qr_lookup_cbk, FIRST_CHILD(this),
- FIRST_CHILD(this)->fops->lookup, loc, xattr_req);
+ qr_inode = qr_inode_ctx_get (this, inode);
+ if (!qr_inode)
+ return;
- if (new_req_dict) {
- dict_unref (new_req_dict);
- }
-
- return 0;
-
-unwind:
- QR_STACK_UNWIND (lookup, frame, op_ret, op_errno, NULL, NULL, NULL,
- NULL);
-
- if (new_req_dict) {
- dict_unref (new_req_dict);
- }
+ priv = this->private;
+ table = &priv->table;
- return 0;
+ LOCK (&table->lock);
+ {
+ __qr_inode_prune (table, qr_inode);
+ }
+ UNLOCK (&table->lock);
}
-int32_t
-qr_open_cbk (call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret,
- int32_t op_errno, fd_t *fd)
+/* To be called with priv->table.lock held */
+void
+__qr_cache_prune (qr_inode_table_t *table, qr_conf_t *conf)
{
- uint64_t value = 0;
- int32_t ret = -1;
- struct list_head waiting_ops;
- qr_local_t *local = NULL;
- qr_inode_t *qr_inode = NULL;
- qr_fd_ctx_t *qr_fd_ctx = NULL;
- call_stub_t *stub = NULL, *tmp = NULL;
- char is_open = 0;
- qr_private_t *priv = NULL;
- qr_inode_table_t *table = NULL;
+ qr_inode_t *curr = NULL;
+ qr_inode_t *next = NULL;
+ int index = 0;
+ size_t size_pruned = 0;
- priv = this->private;
- table = &priv->table;
-
- local = frame->local;
- if (local != NULL) {
- local->op_ret = op_ret;
- local->op_errno = op_errno;
- is_open = local->is_open;
- }
-
- INIT_LIST_HEAD (&waiting_ops);
-
- ret = fd_ctx_get (fd, this, &value);
- if ((ret == -1) && (op_ret != -1)) {
- op_ret = -1;
- op_errno = EINVAL;
- goto out;
- }
-
- if (value) {
- qr_fd_ctx = (qr_fd_ctx_t *) (long)value;
- }
+ for (index = 0; index < conf->max_pri; index++) {
+ list_for_each_entry_safe (curr, next, &table->lru[index], lru) {
- if (qr_fd_ctx) {
- LOCK (&qr_fd_ctx->lock);
- {
- qr_fd_ctx->open_in_transit = 0;
+ size_pruned += curr->size;
- if (op_ret == 0) {
- qr_fd_ctx->opened = 1;
- }
- list_splice_init (&qr_fd_ctx->waiting_ops,
- &waiting_ops);
- }
- UNLOCK (&qr_fd_ctx->lock);
-
- if (local && local->is_open
- && ((local->open_flags & O_TRUNC) == O_TRUNC)) {
- LOCK (&table->lock);
- {
- ret = inode_ctx_del (fd->inode, this, &value);
- if (ret == 0) {
- qr_inode = (qr_inode_t *)(long) value;
-
- if (qr_inode != NULL) {
- __qr_inode_free (qr_inode);
- }
- }
- }
- UNLOCK (&table->lock);
- }
+ __qr_inode_prune (table, curr);
- if (!list_empty (&waiting_ops)) {
- list_for_each_entry_safe (stub, tmp, &waiting_ops,
- list) {
- list_del_init (&stub->list);
- call_resume (stub);
- }
+ if (table->cache_used < conf->cache_size)
+ return;
}
}
-out:
- if (is_open) {
- QR_STACK_UNWIND (open, frame, op_ret, op_errno, fd);
- }
- return 0;
+ return;
}
-int32_t
-qr_open (call_frame_t *frame, xlator_t *this, loc_t *loc, int32_t flags,
- fd_t *fd, int32_t wbflags)
+void
+qr_cache_prune (xlator_t *this)
{
- qr_inode_t *qr_inode = NULL;
- int32_t ret = -1;
- uint64_t filep = 0;
- char content_cached = 0;
- qr_fd_ctx_t *qr_fd_ctx = NULL, *tmp_fd_ctx = NULL;
- int32_t op_ret = -1, op_errno = -1;
- qr_local_t *local = NULL;
- qr_private_t *priv = NULL;
- qr_inode_table_t *table = NULL;
+ qr_private_t *priv = NULL;
+ qr_conf_t *conf = NULL;
+ qr_inode_table_t *table = NULL;
priv = this->private;
table = &priv->table;
+ conf = &priv->conf;
- tmp_fd_ctx = qr_fd_ctx = GF_CALLOC (1, sizeof (*qr_fd_ctx),
- gf_qr_mt_qr_fd_ctx_t);
- if (qr_fd_ctx == NULL) {
- op_ret = -1;
- op_errno = ENOMEM;
- gf_log (this->name, GF_LOG_ERROR, "out of memory");
- goto unwind;
- }
-
- LOCK_INIT (&qr_fd_ctx->lock);
- INIT_LIST_HEAD (&qr_fd_ctx->waiting_ops);
-
- qr_fd_ctx->path = gf_strdup (loc->path);
- qr_fd_ctx->flags = flags;
- qr_fd_ctx->wbflags = wbflags;
-
- ret = fd_ctx_set (fd, this, (uint64_t)(long)qr_fd_ctx);
- if (ret == -1) {
- op_ret = -1;
- op_errno = EINVAL;
- goto unwind;
- }
- tmp_fd_ctx = NULL;
-
- local = GF_CALLOC (1, sizeof (*local),
- gf_qr_mt_qr_local_t);
- if (local == NULL) {
- op_ret = -1;
- op_errno = ENOMEM;
- gf_log (this->name, GF_LOG_ERROR, "out of memory");
- goto unwind;
- }
-
- local->is_open = 1;
- local->open_flags = flags;
- frame->local = local;
- LOCK (&table->lock);
- {
- ret = inode_ctx_get (fd->inode, this, &filep);
- if (ret == 0) {
- qr_inode = (qr_inode_t *)(long) filep;
- if (qr_inode) {
- if (qr_inode->xattr) {
- content_cached = 1;
- }
- }
- }
- }
- UNLOCK (&table->lock);
-
- if (content_cached && ((flags & O_DIRECTORY) == O_DIRECTORY)) {
- op_ret = -1;
- op_errno = ENOTDIR;
- goto unwind;
- }
-
- if (!content_cached || ((flags & O_ACCMODE) == O_WRONLY)
- || ((flags & O_TRUNC) == O_TRUNC)
- || ((flags & O_DIRECT) == O_DIRECT)) {
- LOCK (&qr_fd_ctx->lock);
- {
- /*
- * we really need not set this flag, since open is
- * not yet unwounded.
- */
-
- qr_fd_ctx->open_in_transit = 1;
- if ((flags & O_DIRECT) == O_DIRECT) {
- qr_fd_ctx->disabled = 1;
- }
- }
- UNLOCK (&qr_fd_ctx->lock);
- goto wind;
- } else {
- op_ret = 0;
- op_errno = 0;
- goto unwind;
- }
-
-unwind:
- if (tmp_fd_ctx != NULL) {
- qr_fd_ctx_free (tmp_fd_ctx);
- }
-
- QR_STACK_UNWIND (open, frame, op_ret, op_errno, fd);
- return 0;
-
-wind:
- STACK_WIND (frame, qr_open_cbk, FIRST_CHILD(this),
- FIRST_CHILD(this)->fops->open, loc, flags, fd, wbflags);
- return 0;
+ LOCK (&table->lock);
+ {
+ if (table->cache_used > conf->cache_size)
+ __qr_cache_prune (table, conf);
+ }
+ UNLOCK (&table->lock);
}
-static inline time_t
-qr_time_elapsed (struct timeval *now, struct timeval *then)
+void *
+qr_content_extract (dict_t *xdata)
{
- return now->tv_sec - then->tv_sec;
-}
-
+ data_t *data = NULL;
+ void *content = NULL;
-static inline char
-qr_need_validation (qr_conf_t *conf, qr_inode_t *qr_inode)
-{
- struct timeval now = {0, };
- char need_validation = 0;
+ data = dict_get (xdata, GF_CONTENT_KEY);
+ if (!data)
+ return NULL;
- gettimeofday (&now, NULL);
+ content = GF_CALLOC (1, data->len, gf_qr_mt_content_t);
+ if (!content)
+ return NULL;
- if (qr_time_elapsed (&now, &qr_inode->tv) >= conf->cache_timeout)
- need_validation = 1;
+ memcpy (content, data->data, data->len);
- return need_validation;
+ return content;
}
-static int32_t
-qr_validate_cache_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int32_t op_ret, int32_t op_errno, struct iatt *buf)
+void
+qr_content_update (xlator_t *this, qr_inode_t *qr_inode, void *data,
+ struct iatt *buf)
{
- qr_inode_t *qr_inode = NULL;
- qr_local_t *local = NULL;
- uint64_t value = 0;
- int32_t ret = 0;
- qr_private_t *priv = NULL;
- qr_inode_table_t *table = NULL;
- call_stub_t *stub = NULL;
-
- local = frame->local;
- if ((local == NULL) || ((local->fd) == NULL)) {
- op_ret = -1;
- op_errno = EINVAL;
- goto unwind;
- }
-
- local->just_validated = 1;
-
- if (op_ret == -1) {
- goto unwind;
- }
+ qr_private_t *priv = NULL;
+ qr_inode_table_t *table = NULL;
priv = this->private;
table = &priv->table;
- LOCK (&table->lock);
- {
- ret = inode_ctx_get (local->fd->inode, this, &value);
- if (ret == 0) {
- qr_inode = (qr_inode_t *)(long) value;
- }
+ LOCK (&table->lock);
+ {
+ __qr_inode_prune (table, qr_inode);
- if (qr_inode != NULL) {
- gettimeofday (&qr_inode->tv, NULL);
+ qr_inode->data = data;
+ qr_inode->size = buf->ia_size;
- if ((qr_inode->stbuf.ia_mtime != buf->ia_mtime)
- || (qr_inode->stbuf.ia_mtime_nsec
- != buf->ia_mtime_nsec)) {
- inode_ctx_del (local->fd->inode, this, NULL);
- __qr_inode_free (qr_inode);
- }
- }
- }
- UNLOCK (&table->lock);
+ qr_inode->ia_mtime = buf->ia_mtime;
+ qr_inode->ia_mtime_nsec = buf->ia_mtime_nsec;
- stub = local->stub;
- local->stub = NULL;
+ qr_inode->buf = *buf;
- call_resume (stub);
+ gettimeofday (&qr_inode->last_refresh, NULL);
- return 0;
-
-unwind:
- /* this is actually unwind of readv */
- QR_STACK_UNWIND (readv, frame, op_ret, op_errno, NULL, -1, NULL, NULL);
- return 0;
-}
-
-
-int32_t
-qr_validate_cache_helper (call_frame_t *frame, xlator_t *this, fd_t *fd)
-{
- qr_local_t *local = NULL;
- int32_t op_ret = -1, op_errno = -1;
-
- local = frame->local;
- if (local == NULL) {
- op_ret = -1;
- op_errno = EINVAL;
- } else {
- op_ret = local->op_ret;
- op_errno = local->op_errno;
- }
-
- if (op_ret == -1) {
- qr_validate_cache_cbk (frame, NULL, this, op_ret, op_errno,
- NULL);
- } else {
- STACK_WIND (frame, qr_validate_cache_cbk, FIRST_CHILD (this),
- FIRST_CHILD (this)->fops->fstat, fd);
- }
-
- return 0;
-}
-
-
-int
-qr_validate_cache (call_frame_t *frame, xlator_t *this, fd_t *fd,
- call_stub_t *stub)
-{
- int ret = -1;
- int flags = 0;
- uint64_t value = 0;
- loc_t loc = {0, };
- char *path = NULL;
- qr_local_t *local = NULL;
- qr_fd_ctx_t *qr_fd_ctx = NULL;
- call_stub_t *validate_stub = NULL;
- char need_open = 0, can_wind = 0;
-
- local = GF_CALLOC (1, sizeof (*local),
- gf_qr_mt_qr_local_t);
- if (local == NULL) {
- goto out;
- }
-
- local->fd = fd;
- local->stub = stub;
- frame->local = local;
-
- ret = fd_ctx_get (fd, this, &value);
- if (ret == 0) {
- qr_fd_ctx = (qr_fd_ctx_t *)(long) value;
- }
-
- if (qr_fd_ctx) {
- LOCK (&qr_fd_ctx->lock);
- {
- path = qr_fd_ctx->path;
- flags = qr_fd_ctx->flags;
-
- if (!(qr_fd_ctx->opened
- || qr_fd_ctx->open_in_transit)) {
- need_open = 1;
- qr_fd_ctx->open_in_transit = 1;
- }
-
- if (qr_fd_ctx->opened) {
- can_wind = 1;
- } else {
- validate_stub = fop_fstat_stub (frame,
- qr_validate_cache_helper,
- fd);
- if (validate_stub == NULL) {
- ret = -1;
- qr_fd_ctx->open_in_transit = 0;
- goto unlock;
- }
-
- list_add_tail (&validate_stub->list,
- &qr_fd_ctx->waiting_ops);
- }
- }
- unlock:
- UNLOCK (&qr_fd_ctx->lock);
-
- if (ret == -1) {
- goto out;
- }
- } else {
- can_wind = 1;
- }
-
- if (need_open) {
- ret = qr_loc_fill (&loc, fd->inode, path);
- if (ret == -1) {
- qr_resume_pending_ops (qr_fd_ctx);
- goto out;
- }
-
- STACK_WIND (frame, qr_open_cbk, FIRST_CHILD(this),
- FIRST_CHILD(this)->fops->open,
- &loc, flags, fd, qr_fd_ctx->wbflags);
-
- qr_loc_wipe (&loc);
- } else if (can_wind) {
- STACK_WIND (frame, qr_validate_cache_cbk,
- FIRST_CHILD (this),
- FIRST_CHILD (this)->fops->fstat, fd);
- }
+ __qr_inode_register (table, qr_inode);
+ }
+ UNLOCK (&table->lock);
- ret = 0;
-out:
- return ret;
+ qr_cache_prune (this);
}
-int32_t
-qr_readv_cbk (call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret,
- int32_t op_errno, struct iovec *vector, int32_t count,
- struct iatt *stbuf, struct iobref *iobref)
+gf_boolean_t
+qr_size_fits (qr_conf_t *conf, struct iatt *buf)
{
- QR_STACK_UNWIND (readv, frame, op_ret, op_errno, vector, count,
- stbuf, iobref);
- return 0;
+ return (buf->ia_size <= conf->max_file_size);
}
-int32_t
-qr_readv_helper (call_frame_t *frame, xlator_t *this, fd_t *fd, size_t size,
- off_t offset)
+gf_boolean_t
+qr_mtime_equal (qr_inode_t *qr_inode, struct iatt *buf)
{
- STACK_WIND (frame, qr_readv_cbk, FIRST_CHILD (this),
- FIRST_CHILD (this)->fops->readv, fd, size, offset);
- return 0;
+ return (qr_inode->ia_mtime == buf->ia_mtime &&
+ qr_inode->ia_mtime_nsec == buf->ia_mtime_nsec);
}
-int32_t
-qr_readv (call_frame_t *frame, xlator_t *this, fd_t *fd, size_t size,
- off_t offset)
+void
+__qr_content_refresh (xlator_t *this, qr_inode_t *qr_inode, struct iatt *buf)
{
- qr_inode_t *qr_inode = NULL;
- int32_t ret = -1, op_ret = -1, op_errno = -1;
- uint64_t value = 0;
- int count = -1, flags = 0, i = 0;
- char content_cached = 0, need_validation = 0;
- char need_open = 0, can_wind = 0, need_unwind = 0;
- struct iobuf *iobuf = NULL;
- struct iobref *iobref = NULL;
- struct iatt stbuf = {0, };
- data_t *content = NULL;
- qr_fd_ctx_t *qr_fd_ctx = NULL;
- call_stub_t *stub = NULL;
- loc_t loc = {0, };
- qr_conf_t *conf = NULL;
- struct iovec *vector = NULL;
- char *path = NULL;
- off_t start = 0, end = 0;
- size_t len = 0;
- struct iobuf_pool *iobuf_pool = NULL;
- qr_local_t *local = NULL;
- char just_validated = 0;
qr_private_t *priv = NULL;
qr_inode_table_t *table = NULL;
-
- op_ret = 0;
+ qr_conf_t *conf = NULL;
priv = this->private;
- conf = &priv->conf;
table = &priv->table;
+ conf = &priv->conf;
- local = frame->local;
-
- if (local != NULL) {
- just_validated = local->just_validated;
- }
-
- ret = fd_ctx_get (fd, this, &value);
- if (ret == 0) {
- qr_fd_ctx = (qr_fd_ctx_t *)(long) value;
- if (qr_fd_ctx != NULL) {
- if (qr_fd_ctx->disabled) {
- goto out;
- }
- }
- }
-
- iobuf_pool = this->ctx->iobuf_pool;
-
- LOCK (&table->lock);
- {
- ret = inode_ctx_get (fd->inode, this, &value);
- if (ret == 0) {
- qr_inode = (qr_inode_t *)(long)value;
- if (qr_inode) {
- if (qr_inode->xattr){
- if (!just_validated
- && qr_need_validation (conf,
- qr_inode)) {
- need_validation = 1;
- goto unlock;
- }
-
- content = dict_get (qr_inode->xattr,
- GF_CONTENT_KEY);
-
-
- stbuf = qr_inode->stbuf;
- content_cached = 1;
- list_move_tail (&qr_inode->lru,
- &table->lru[qr_inode->priority]);
-
- if (offset > content->len) {
- op_ret = 0;
- end = content->len;
- } else {
- if ((offset + size)
- > content->len) {
- op_ret = content->len - offset;
- end = content->len;
- } else {
- op_ret = size;
- end = offset + size;
- }
- }
-
- count = (op_ret / iobuf_pool->page_size);
- if ((op_ret % iobuf_pool->page_size)
- != 0) {
- count++;
- }
-
- if (count == 0) {
- op_ret = 0;
- goto unlock;
- }
-
- vector = GF_CALLOC (count,
- sizeof (*vector),
- gf_qr_mt_iovec);
- if (vector == NULL) {
- op_ret = -1;
- op_errno = ENOMEM;
- need_unwind = 1;
- goto unlock;
- }
-
- iobref = iobref_new ();
- if (iobref == NULL) {
- op_ret = -1;
- op_errno = ENOMEM;
- need_unwind = 1;
- goto unlock;
- }
-
- for (i = 0; i < count; i++) {
- iobuf = iobuf_get (iobuf_pool);
- if (iobuf == NULL) {
- op_ret = -1;
- op_errno = ENOMEM;
- need_unwind = 1;
- goto unlock;
- }
-
- start = offset + (iobuf_pool->page_size * i);
- if (start > end) {
- len = 0;
- } else {
- len = (iobuf_pool->page_size
- > (end - start))
- ? (end - start)
- : iobuf_pool->page_size;
-
- memcpy (iobuf->ptr,
- content->data + start,
- len);
- }
-
- iobref_add (iobref, iobuf);
- iobuf_unref (iobuf);
-
- vector[i].iov_base = iobuf->ptr;
- vector[i].iov_len = len;
- }
- }
- }
- }
- }
-unlock:
- UNLOCK (&table->lock);
-
-out:
- if (content_cached || need_unwind) {
- QR_STACK_UNWIND (readv, frame, op_ret, op_errno, vector,
- count, &stbuf, iobref);
-
- } else if (need_validation) {
- stub = fop_readv_stub (frame, qr_readv, fd, size, offset);
- if (stub == NULL) {
- op_ret = -1;
- op_errno = ENOMEM;
- goto out;
- }
+ if (qr_size_fits (conf, buf) && qr_mtime_equal (qr_inode, buf)) {
+ qr_inode->buf = *buf;
- op_ret = qr_validate_cache (frame, this, fd, stub);
- if (op_ret == -1) {
- need_unwind = 1;
- op_errno = errno;
- call_stub_destroy (stub);
- goto out;
- }
- } else {
- if (qr_fd_ctx) {
- LOCK (&qr_fd_ctx->lock);
- {
- path = qr_fd_ctx->path;
- flags = qr_fd_ctx->flags;
-
- if (!(qr_fd_ctx->opened
- || qr_fd_ctx->open_in_transit)) {
- need_open = 1;
- qr_fd_ctx->open_in_transit = 1;
- }
-
- if (qr_fd_ctx->opened) {
- can_wind = 1;
- } else {
- stub = fop_readv_stub (frame,
- qr_readv_helper,
- fd, size,
- offset);
- if (stub == NULL) {
- op_ret = -1;
- op_errno = ENOMEM;
- need_unwind = 1;
- qr_fd_ctx->open_in_transit = 0;
- goto fdctx_unlock;
- }
-
- list_add_tail (&stub->list,
- &qr_fd_ctx->waiting_ops);
- }
- }
- fdctx_unlock:
- UNLOCK (&qr_fd_ctx->lock);
-
- if (op_ret == -1) {
- need_unwind = 1;
- goto out;
- }
- } else {
- can_wind = 1;
- }
-
- if (need_open) {
- op_ret = qr_loc_fill (&loc, fd->inode, path);
- if (op_ret == -1) {
- need_unwind = 1;
- op_errno = errno;
- qr_resume_pending_ops (qr_fd_ctx);
- goto out;
- }
-
- STACK_WIND (frame, qr_open_cbk, FIRST_CHILD(this),
- FIRST_CHILD(this)->fops->open,
- &loc, flags, fd, qr_fd_ctx->wbflags);
-
- qr_loc_wipe (&loc);
- } else if (can_wind) {
- STACK_WIND (frame, qr_readv_cbk,
- FIRST_CHILD (this),
- FIRST_CHILD (this)->fops->readv, fd, size,
- offset);
- }
-
- }
-
- if (vector) {
- GF_FREE (vector);
- }
-
- if (iobref) {
- iobref_unref (iobref);
- }
-
- return 0;
-}
-
-
-int32_t
-qr_writev_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int32_t op_ret, int32_t op_errno, struct iatt *prebuf,
- struct iatt *postbuf)
-{
- QR_STACK_UNWIND (writev, frame, op_ret, op_errno, prebuf, postbuf);
- return 0;
-}
+ gettimeofday (&qr_inode->last_refresh, NULL);
+ __qr_inode_register (table, qr_inode);
+ } else {
+ __qr_inode_prune (table, qr_inode);
+ }
-int32_t
-qr_writev_helper (call_frame_t *frame, xlator_t *this, fd_t *fd,
- struct iovec *vector, int32_t count, off_t off,
- struct iobref *iobref)
-{
- STACK_WIND (frame, qr_writev_cbk, FIRST_CHILD (this),
- FIRST_CHILD (this)->fops->writev, fd, vector, count, off,
- iobref);
- return 0;
+ return;
}
-int32_t
-qr_writev (call_frame_t *frame, xlator_t *this, fd_t *fd, struct iovec *vector,
- int32_t count, off_t off, struct iobref *iobref)
+void
+qr_content_refresh (xlator_t *this, qr_inode_t *qr_inode, struct iatt *buf)
{
- uint64_t value = 0;
- int flags = 0;
- call_stub_t *stub = NULL;
- char *path = NULL;
- loc_t loc = {0, };
- qr_inode_t *qr_inode = NULL;
- qr_fd_ctx_t *qr_fd_ctx = NULL;
- int32_t op_ret = -1, op_errno = -1, ret = -1;
- char can_wind = 0, need_unwind = 0, need_open = 0;
- qr_private_t *priv = NULL;
- qr_inode_table_t *table = NULL;
+ qr_private_t *priv = NULL;
+ qr_inode_table_t *table = NULL;
priv = this->private;
table = &priv->table;
- ret = fd_ctx_get (fd, this, &value);
-
- if (ret == 0) {
- qr_fd_ctx = (qr_fd_ctx_t *)(long) value;
- }
-
- LOCK (&table->lock);
- {
- ret = inode_ctx_get (fd->inode, this, &value);
- if (ret == 0) {
- qr_inode = (qr_inode_t *)(long)value;
- if (qr_inode != NULL) {
- inode_ctx_del (fd->inode, this, NULL);
- __qr_inode_free (qr_inode);
- }
- }
- }
- UNLOCK (&table->lock);
-
- if (qr_fd_ctx) {
- LOCK (&qr_fd_ctx->lock);
- {
- path = qr_fd_ctx->path;
- flags = qr_fd_ctx->flags;
-
- if (!(qr_fd_ctx->opened
- || qr_fd_ctx->open_in_transit)) {
- need_open = 1;
- qr_fd_ctx->open_in_transit = 1;
- }
-
- if (qr_fd_ctx->opened) {
- can_wind = 1;
- } else {
- stub = fop_writev_stub (frame, qr_writev_helper,
- fd, vector, count, off,
- iobref);
- if (stub == NULL) {
- op_ret = -1;
- op_errno = ENOMEM;
- need_unwind = 1;
- qr_fd_ctx->open_in_transit = 0;
- goto unlock;
- }
-
- list_add_tail (&stub->list,
- &qr_fd_ctx->waiting_ops);
- }
- }
- unlock:
- UNLOCK (&qr_fd_ctx->lock);
- } else {
- can_wind = 1;
- }
-
-out:
- if (need_unwind) {
- QR_STACK_UNWIND (writev, frame, op_ret, op_errno, NULL,
- NULL);
- } else if (can_wind) {
- STACK_WIND (frame, qr_writev_cbk, FIRST_CHILD (this),
- FIRST_CHILD (this)->fops->writev, fd, vector, count,
- off, iobref);
- } else if (need_open) {
- op_ret = qr_loc_fill (&loc, fd->inode, path);
- if (op_ret == -1) {
- need_unwind = 1;
- op_errno = errno;
- qr_resume_pending_ops (qr_fd_ctx);
- goto out;
- }
-
- STACK_WIND (frame, qr_open_cbk, FIRST_CHILD(this),
- FIRST_CHILD(this)->fops->open, &loc, flags, fd,
- qr_fd_ctx->wbflags);
-
- qr_loc_wipe (&loc);
- }
-
- return 0;
-}
-
-
-int32_t
-qr_fstat_cbk (call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret,
- int32_t op_errno, struct iatt *buf)
-{
- QR_STACK_UNWIND (fstat, frame, op_ret, op_errno, buf);
- return 0;
-}
-
-
-int32_t
-qr_fstat_helper (call_frame_t *frame, xlator_t *this, fd_t *fd)
-{
- STACK_WIND (frame, qr_fstat_cbk, FIRST_CHILD (this),
- FIRST_CHILD (this)->fops->fstat, fd);
- return 0;
+ LOCK (&table->lock);
+ {
+ __qr_content_refresh (this, qr_inode, buf);
+ }
+ UNLOCK (&table->lock);
}
-int32_t
-qr_fstat (call_frame_t *frame, xlator_t *this, fd_t *fd)
+gf_boolean_t
+__qr_cache_is_fresh (xlator_t *this, qr_inode_t *qr_inode)
{
- qr_fd_ctx_t *qr_fd_ctx = NULL;
- char need_open = 0, can_wind = 0, need_unwind = 0;
- uint64_t value = 0;
- int32_t ret = -1, op_ret = -1, op_errno = -1;
- call_stub_t *stub = NULL;
- loc_t loc = {0, };
- char *path = NULL;
- int flags = 0;
-
- ret = fd_ctx_get (fd, this, &value);
- if (ret == 0) {
- qr_fd_ctx = (qr_fd_ctx_t *)(long) value;
- }
+ qr_conf_t *conf = NULL;
+ qr_private_t *priv = NULL;
+ struct timeval now;
+ struct timeval diff;
- if (qr_fd_ctx) {
- LOCK (&qr_fd_ctx->lock);
- {
- path = qr_fd_ctx->path;
- flags = qr_fd_ctx->flags;
+ priv = this->private;
+ conf = &priv->conf;
- if (!(qr_fd_ctx->opened
- || qr_fd_ctx->open_in_transit)) {
- need_open = 1;
- qr_fd_ctx->open_in_transit = 1;
- }
+ gettimeofday (&now, NULL);
- if (qr_fd_ctx->opened) {
- can_wind = 1;
- } else {
- stub = fop_fstat_stub (frame, qr_fstat_helper,
- fd);
- if (stub == NULL) {
- op_ret = -1;
- op_errno = ENOMEM;
- need_unwind = 1;
- qr_fd_ctx->open_in_transit = 0;
- goto unlock;
- }
-
- list_add_tail (&stub->list,
- &qr_fd_ctx->waiting_ops);
- }
- }
- unlock:
- UNLOCK (&qr_fd_ctx->lock);
- } else {
- can_wind = 1;
- }
+ timersub (&now, &qr_inode->last_refresh, &diff);
-out:
- if (need_unwind) {
- QR_STACK_UNWIND (fstat, frame, op_ret, op_errno, NULL);
- } else if (can_wind) {
- STACK_WIND (frame, qr_fstat_cbk, FIRST_CHILD (this),
- FIRST_CHILD (this)->fops->fstat, fd);
- } else if (need_open) {
- op_ret = qr_loc_fill (&loc, fd->inode, path);
- if (op_ret == -1) {
- qr_resume_pending_ops (qr_fd_ctx);
- need_unwind = 1;
- op_errno = errno;
- goto out;
- }
+ if (diff.tv_sec >= conf->cache_timeout)
+ return _gf_false;
- STACK_WIND (frame, qr_open_cbk, FIRST_CHILD(this),
- FIRST_CHILD(this)->fops->open, &loc, flags, fd,
- qr_fd_ctx->wbflags);
-
- qr_loc_wipe (&loc);
- }
-
- return 0;
+ return _gf_true;
}
-
-
-int32_t
-qr_fsetattr_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int32_t op_ret, int32_t op_errno,
- struct iatt *preop, struct iatt *postop)
+int
+qr_lookup_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, inode_t *inode_ret,
+ struct iatt *buf, dict_t *xdata, struct iatt *postparent)
{
- QR_STACK_UNWIND (fsetattr, frame, op_ret, op_errno, preop, postop);
- return 0;
-}
+ void *content = NULL;
+ qr_inode_t *qr_inode = NULL;
+ inode_t *inode = NULL;
+ inode = frame->local;
+ frame->local = NULL;
-int32_t
-qr_fsetattr_helper (call_frame_t *frame, xlator_t *this, fd_t *fd,
- struct iatt *stbuf, int32_t valid)
-{
- STACK_WIND(frame, qr_fsetattr_cbk, FIRST_CHILD(this),
- FIRST_CHILD(this)->fops->fsetattr, fd, stbuf,
- valid);
- return 0;
-}
+ if (op_ret == -1) {
+ qr_inode_prune (this, inode);
+ goto out;
+ }
+ if (dict_get (xdata, "sh-failed")) {
+ qr_inode_prune (this, inode);
+ goto out;
+ }
-int32_t
-qr_fsetattr (call_frame_t *frame, xlator_t *this, fd_t *fd,
- struct iatt *stbuf, int32_t valid)
-{
- uint64_t value = 0;
- int flags = 0;
- call_stub_t *stub = NULL;
- char *path = NULL;
- loc_t loc = {0, };
- qr_fd_ctx_t *qr_fd_ctx = NULL;
- int32_t ret = -1, op_ret = -1, op_errno = -1;
- char need_open = 0, can_wind = 0, need_unwind = 0;
-
- ret = fd_ctx_get (fd, this, &value);
- if (ret == 0) {
- qr_fd_ctx = (qr_fd_ctx_t *)(long) value;
- }
+ content = qr_content_extract (xdata);
- if (qr_fd_ctx) {
- LOCK (&qr_fd_ctx->lock);
- {
- path = qr_fd_ctx->path;
- flags = qr_fd_ctx->flags;
- if (!(qr_fd_ctx->opened
- || qr_fd_ctx->open_in_transit)) {
- need_open = 1;
- qr_fd_ctx->open_in_transit = 1;
- }
+ if (content) {
+ /* new content came along, always replace old content */
+ qr_inode = qr_inode_ctx_get_or_new (this, inode);
+ if (!qr_inode)
+ /* no harm done */
+ goto out;
- if (qr_fd_ctx->opened) {
- can_wind = 1;
- } else {
- stub = fop_fsetattr_stub (frame,
- qr_fsetattr_helper,
- fd, stbuf, valid);
- if (stub == NULL) {
- op_ret = -1;
- op_errno = ENOMEM;
- need_unwind = 1;
- qr_fd_ctx->open_in_transit = 0;
- goto unlock;
- }
-
- list_add_tail (&stub->list,
- &qr_fd_ctx->waiting_ops);
- }
- }
- unlock:
- UNLOCK (&qr_fd_ctx->lock);
- } else {
- can_wind = 1;
- }
+ qr_content_update (this, qr_inode, content, buf);
+ } else {
+ /* purge old content if necessary */
+ qr_inode = qr_inode_ctx_get (this, inode);
+ if (!qr_inode)
+ /* usual path for large files */
+ goto out;
+ qr_content_refresh (this, qr_inode, buf);
+ }
out:
- if (need_unwind) {
- QR_STACK_UNWIND (fsetattr, frame, op_ret, op_errno, NULL,
- NULL);
- } else if (can_wind) {
- STACK_WIND (frame, qr_fsetattr_cbk, FIRST_CHILD (this),
- FIRST_CHILD (this)->fops->fsetattr, fd, stbuf,
- valid);
- } else if (need_open) {
- op_ret = qr_loc_fill (&loc, fd->inode, path);
- if (op_ret == -1) {
- qr_resume_pending_ops (qr_fd_ctx);
- need_unwind = 1;
- op_errno = errno;
- goto out;
- }
-
- STACK_WIND (frame, qr_open_cbk, FIRST_CHILD(this),
- FIRST_CHILD(this)->fops->open, &loc, flags, fd,
- qr_fd_ctx->wbflags);
-
- qr_loc_wipe (&loc);
- }
-
- return 0;
-}
-
-
-int32_t
-qr_fsetxattr_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int32_t op_ret, int32_t op_errno)
-{
- QR_STACK_UNWIND (fsetxattr, frame, op_ret, op_errno);
- return 0;
-}
+ if (inode)
+ inode_unref (inode);
-
-int32_t
-qr_fsetxattr_helper (call_frame_t *frame, xlator_t *this, fd_t *fd,
- dict_t *dict, int32_t flags)
-{
- STACK_WIND (frame, qr_fsetxattr_cbk, FIRST_CHILD (this),
- FIRST_CHILD (this)->fops->fsetxattr, fd, dict, flags);
+ STACK_UNWIND_STRICT (lookup, frame, op_ret, op_errno, inode_ret,
+ buf, xdata, postparent);
return 0;
}
-int32_t
-qr_fsetxattr (call_frame_t *frame, xlator_t *this, fd_t *fd, dict_t *dict,
- int32_t flags)
+int
+qr_lookup (call_frame_t *frame, xlator_t *this, loc_t *loc, dict_t *xdata)
{
- uint64_t value = 0;
- call_stub_t *stub = NULL;
- char *path = NULL;
- loc_t loc = {0, };
- int open_flags = 0;
- qr_fd_ctx_t *qr_fd_ctx = NULL;
- int32_t ret = -1, op_ret = -1, op_errno = -1;
- char need_open = 0, can_wind = 0, need_unwind = 0;
-
- ret = fd_ctx_get (fd, this, &value);
- if (ret == 0) {
- qr_fd_ctx = (qr_fd_ctx_t *)(long) value;
- }
-
- if (qr_fd_ctx) {
- LOCK (&qr_fd_ctx->lock);
- {
- path = qr_fd_ctx->path;
- open_flags = qr_fd_ctx->flags;
-
- if (!(qr_fd_ctx->opened
- || qr_fd_ctx->open_in_transit)) {
- need_open = 1;
- qr_fd_ctx->open_in_transit = 1;
- }
+ qr_private_t *priv = NULL;
+ qr_conf_t *conf = NULL;
+ qr_inode_t *qr_inode = NULL;
+ int ret = -1;
+ dict_t *new_xdata = NULL;
- if (qr_fd_ctx->opened) {
- can_wind = 1;
- } else {
- stub = fop_fsetxattr_stub (frame,
- qr_fsetxattr_helper,
- fd, dict, flags);
- if (stub == NULL) {
- op_ret = -1;
- op_errno = ENOMEM;
- need_unwind = 1;
- qr_fd_ctx->open_in_transit = 0;
- goto unlock;
- }
-
- list_add_tail (&stub->list,
- &qr_fd_ctx->waiting_ops);
- }
- }
- unlock:
- UNLOCK (&qr_fd_ctx->lock);
- } else {
- can_wind = 1;
- }
-
-out:
- if (need_unwind) {
- QR_STACK_UNWIND (fsetxattr, frame, op_ret, op_errno);
- } else if (can_wind) {
- STACK_WIND (frame, qr_fsetxattr_cbk, FIRST_CHILD (this),
- FIRST_CHILD (this)->fops->fsetxattr, fd, dict,
- flags);
- } else if (need_open) {
- op_ret = qr_loc_fill (&loc, fd->inode, path);
- if (op_ret == -1) {
- qr_resume_pending_ops (qr_fd_ctx);
- op_errno = errno;
- need_unwind = 1;
- goto out;
- }
+ priv = this->private;
+ conf = &priv->conf;
- STACK_WIND (frame, qr_open_cbk, FIRST_CHILD(this),
- FIRST_CHILD(this)->fops->open, &loc, open_flags,
- fd, qr_fd_ctx->wbflags);
+ qr_inode = qr_inode_ctx_get (this, loc->inode);
+ if (qr_inode && qr_inode->data)
+ /* cached. only validate in qr_lookup_cbk */
+ goto wind;
- qr_loc_wipe (&loc);
- }
+ if (!xdata)
+ xdata = new_xdata = dict_new ();
- return 0;
-}
+ if (!xdata)
+ goto wind;
+ ret = 0;
+ if (conf->max_file_size)
+ ret = dict_set (xdata, GF_CONTENT_KEY,
+ data_from_uint64 (conf->max_file_size));
+ if (ret)
+ gf_log (this->name, GF_LOG_WARNING,
+ "cannot set key in request dict (%s)",
+ loc->path);
+wind:
+ frame->local = inode_ref (loc->inode);
-int32_t
-qr_fgetxattr_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int32_t op_ret, int32_t op_errno, dict_t *dict)
-{
- QR_STACK_UNWIND (fgetxattr, frame, op_ret, op_errno, dict);
- return 0;
-}
+ STACK_WIND (frame, qr_lookup_cbk, FIRST_CHILD(this),
+ FIRST_CHILD(this)->fops->lookup, loc, xdata);
+ if (new_xdata)
+ dict_unref (new_xdata);
-int32_t
-qr_fgetxattr_helper (call_frame_t *frame, xlator_t *this, fd_t *fd,
- const char *name)
-{
- STACK_WIND (frame, qr_fgetxattr_cbk, FIRST_CHILD (this),
- FIRST_CHILD (this)->fops->fgetxattr, fd, name);
return 0;
}
-int32_t
-qr_fgetxattr (call_frame_t *frame, xlator_t *this, fd_t *fd, const char *name)
+int
+qr_readdirp_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+ int op_ret, int op_errno, gf_dirent_t *entries, dict_t *xdata)
{
- int flags = 0;
- uint64_t value = 0;
- call_stub_t *stub = NULL;
- char *path = NULL;
- loc_t loc = {0, };
- qr_fd_ctx_t *qr_fd_ctx = NULL;
- int32_t ret = -1, op_ret = -1, op_errno = -1;
- char need_open = 0, can_wind = 0, need_unwind = 0;
-
- /*
- * FIXME: Can quick-read use the extended attributes stored in the
- * cache? this needs to be discussed.
- */
+ gf_dirent_t *entry = NULL;
+ qr_inode_t *qr_inode = NULL;
- ret = fd_ctx_get (fd, this, &value);
- if (ret == 0) {
- qr_fd_ctx = (qr_fd_ctx_t *)(long) value;
- }
+ if (op_ret <= 0)
+ goto unwind;
- if (qr_fd_ctx) {
- LOCK (&qr_fd_ctx->lock);
- {
- path = qr_fd_ctx->path;
- flags = qr_fd_ctx->flags;
+ list_for_each_entry (entry, &entries->list, list) {
+ if (!entry->inode)
+ continue;
- if (!(qr_fd_ctx->opened
- || qr_fd_ctx->open_in_transit)) {
- need_open = 1;
- qr_fd_ctx->open_in_transit = 1;
- }
+ qr_inode = qr_inode_ctx_get (this, entry->inode);
+ if (!qr_inode)
+ /* no harm */
+ continue;
- if (qr_fd_ctx->opened) {
- can_wind = 1;
- } else {
- stub = fop_fgetxattr_stub (frame,
- qr_fgetxattr_helper,
- fd, name);
- if (stub == NULL) {
- op_ret = -1;
- op_errno = ENOMEM;
- need_unwind = 1;
- qr_fd_ctx->open_in_transit = 0;
- goto unlock;
- }
-
- list_add_tail (&stub->list,
- &qr_fd_ctx->waiting_ops);
- }
- }
- unlock:
- UNLOCK (&qr_fd_ctx->lock);
- } else {
- can_wind = 1;
+ qr_content_refresh (this, qr_inode, &entry->d_stat);
}
-out:
- if (need_unwind) {
- QR_STACK_UNWIND (open, frame, op_ret, op_errno, NULL);
- } else if (can_wind) {
- STACK_WIND (frame, qr_fgetxattr_cbk, FIRST_CHILD (this),
- FIRST_CHILD (this)->fops->fgetxattr, fd, name);
- } else if (need_open) {
- op_ret = qr_loc_fill (&loc, fd->inode, path);
- if (op_ret == -1) {
- need_unwind = 1;
- op_errno = errno;
- qr_resume_pending_ops (qr_fd_ctx);
- goto out;
- }
-
- STACK_WIND (frame, qr_open_cbk, FIRST_CHILD(this),
- FIRST_CHILD(this)->fops->open, &loc, flags, fd,
- qr_fd_ctx->wbflags);
-
- qr_loc_wipe (&loc);
- }
-
- return 0;
+unwind:
+ STACK_UNWIND_STRICT (readdirp, frame, op_ret, op_errno, entries, xdata);
+ return 0;
}
-int32_t
-qr_flush_cbk (call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret,
- int32_t op_errno)
+int
+qr_readdirp (call_frame_t *frame, xlator_t *this, fd_t *fd,
+ size_t size, off_t offset, dict_t *xdata)
{
- QR_STACK_UNWIND (flush, frame, op_ret, op_errno);
+ STACK_WIND (frame, qr_readdirp_cbk,
+ FIRST_CHILD (this), FIRST_CHILD (this)->fops->readdirp,
+ fd, size, offset, xdata);
return 0;
}
-int32_t
-qr_flush_helper (call_frame_t *frame, xlator_t *this, fd_t *fd)
+int
+qr_readv_cached (call_frame_t *frame, qr_inode_t *qr_inode, size_t size,
+ off_t offset, uint32_t flags, dict_t *xdata)
{
- STACK_WIND (frame, qr_flush_cbk, FIRST_CHILD (this),
- FIRST_CHILD (this)->fops->flush, fd);
- return 0;
-}
+ xlator_t *this = NULL;
+ qr_private_t *priv = NULL;
+ qr_inode_table_t *table = NULL;
+ int op_ret = -1;
+ struct iobuf *iobuf = NULL;
+ struct iobref *iobref = NULL;
+ struct iovec iov = {0, };
+ struct iatt buf = {0, };
+ this = frame->this;
+ priv = this->private;
+ table = &priv->table;
-int32_t
-qr_flush (call_frame_t *frame, xlator_t *this, fd_t *fd)
-{
- uint64_t value = 0;
- call_stub_t *stub = NULL;
- qr_fd_ctx_t *qr_fd_ctx = NULL;
- int32_t ret = -1, op_ret = -1, op_errno = -1;
- char can_wind = 0, need_unwind = 0;
-
- ret = fd_ctx_get (fd, this, &value);
- if (ret == 0) {
- qr_fd_ctx = (qr_fd_ctx_t *)(long)value;
- }
+ LOCK (&table->lock);
+ {
+ op_ret = -1;
- if (qr_fd_ctx) {
- LOCK (&qr_fd_ctx->lock);
- {
- if (qr_fd_ctx->opened) {
- can_wind = 1;
- } else if (qr_fd_ctx->open_in_transit) {
- stub = fop_flush_stub (frame, qr_flush_helper,
- fd);
- if (stub == NULL) {
- op_ret = -1;
- op_errno = ENOMEM;
- need_unwind = 1;
- qr_fd_ctx->open_in_transit = 0;
- goto unlock;
- }
-
- list_add_tail (&stub->list,
- &qr_fd_ctx->waiting_ops);
- } else {
- op_ret = 0;
- need_unwind = 1;
- }
- }
- unlock:
- UNLOCK (&qr_fd_ctx->lock);
- } else {
- can_wind = 1;
- }
+ if (!qr_inode->data)
+ goto unlock;
- if (need_unwind) {
- QR_STACK_UNWIND (flush, frame, op_ret, op_errno);
- } else if (can_wind) {
- STACK_WIND (frame, qr_flush_cbk, FIRST_CHILD (this),
- FIRST_CHILD (this)->fops->flush, fd);
- }
+ if (offset >= qr_inode->size)
+ goto unlock;
- return 0;
-}
-
-
-int32_t
-qr_fentrylk_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int32_t op_ret, int32_t op_errno)
-{
- QR_STACK_UNWIND (fentrylk, frame, op_ret, op_errno);
- return 0;
-}
-
-int32_t
-qr_fentrylk_helper (call_frame_t *frame, xlator_t *this, const char *volume,
- fd_t *fd, const char *basename, entrylk_cmd cmd,
- entrylk_type type)
-{
- STACK_WIND(frame, qr_fentrylk_cbk, FIRST_CHILD(this),
- FIRST_CHILD(this)->fops->fentrylk, volume, fd, basename,
- cmd, type);
- return 0;
-}
+ if (!__qr_cache_is_fresh (this, qr_inode))
+ goto unlock;
+ op_ret = min (size, (qr_inode->size - offset));
-int32_t
-qr_fentrylk (call_frame_t *frame, xlator_t *this, const char *volume, fd_t *fd,
- const char *basename, entrylk_cmd cmd, entrylk_type type)
-{
- int flags = 0;
- uint64_t value = 0;
- call_stub_t *stub = NULL;
- char *path = NULL;
- loc_t loc = {0, };
- qr_fd_ctx_t *qr_fd_ctx = NULL;
- int32_t ret = -1, op_ret = -1, op_errno = -1;
- char need_open = 0, can_wind = 0, need_unwind = 0;
-
- ret = fd_ctx_get (fd, this, &value);
- if (ret == 0) {
- qr_fd_ctx = (qr_fd_ctx_t *)(long)value;
- }
+ iobuf = iobuf_get2 (this->ctx->iobuf_pool, op_ret);
+ if (!iobuf) {
+ op_ret = -1;
+ goto unlock;
+ }
- if (qr_fd_ctx) {
- LOCK (&qr_fd_ctx->lock);
- {
- path = qr_fd_ctx->path;
- flags = qr_fd_ctx->flags;
+ iobref = iobref_new ();
+ if (!iobref) {
+ op_ret = -1;
+ iobuf_unref (iobuf);
+ goto unlock;
+ }
- if (!(qr_fd_ctx->opened
- || qr_fd_ctx->open_in_transit)) {
- need_open = 1;
- qr_fd_ctx->open_in_transit = 1;
- }
+ iobref_add (iobref, iobuf);
- if (qr_fd_ctx->opened) {
- can_wind = 1;
- } else {
- stub = fop_fentrylk_stub (frame,
- qr_fentrylk_helper,
- volume, fd, basename,
- cmd, type);
- if (stub == NULL) {
- op_ret = -1;
- op_errno = ENOMEM;
- need_unwind = 1;
- qr_fd_ctx->open_in_transit = 0;
- goto unlock;
- }
-
- list_add_tail (&stub->list,
- &qr_fd_ctx->waiting_ops);
- }
- }
- unlock:
- UNLOCK (&qr_fd_ctx->lock);
- } else {
- can_wind = 1;
- }
+ memcpy (iobuf->ptr, qr_inode->data + offset, op_ret);
-out:
- if (need_unwind) {
- QR_STACK_UNWIND (fentrylk, frame, op_ret, op_errno);
- } else if (can_wind) {
- STACK_WIND (frame, qr_fentrylk_cbk, FIRST_CHILD(this),
- FIRST_CHILD(this)->fops->fentrylk, volume, fd,
- basename, cmd, type);
- } else if (need_open) {
- op_ret = qr_loc_fill (&loc, fd->inode, path);
- if (op_ret == -1) {
- need_unwind = 1;
- op_errno = errno;
- qr_resume_pending_ops (qr_fd_ctx);
- goto out;
- }
+ buf = qr_inode->buf;
- STACK_WIND (frame, qr_open_cbk, FIRST_CHILD(this),
- FIRST_CHILD(this)->fops->open, &loc, flags, fd,
- qr_fd_ctx->wbflags);
+ /* bump LRU */
+ __qr_inode_register (table, qr_inode);
+ }
+unlock:
+ UNLOCK (&table->lock);
- qr_loc_wipe (&loc);
- }
+ if (op_ret > 0) {
+ iov.iov_base = iobuf->ptr;
+ iov.iov_len = op_ret;
- return 0;
-}
+ STACK_UNWIND_STRICT (readv, frame, op_ret, 0, &iov, 1,
+ &buf, iobref, xdata);
+ }
+ if (iobuf)
+ iobuf_unref (iobuf);
-int32_t
-qr_finodelk_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int32_t op_ret, int32_t op_errno)
+ if (iobref)
+ iobref_unref (iobref);
-{
- QR_STACK_UNWIND (finodelk, frame, op_ret, op_errno);
- return 0;
+ return op_ret;
}
-int32_t
-qr_finodelk_helper (call_frame_t *frame, xlator_t *this, const char *volume,
- fd_t *fd, int32_t cmd, struct gf_flock *lock)
-{
- STACK_WIND (frame, qr_finodelk_cbk, FIRST_CHILD(this),
- FIRST_CHILD(this)->fops->finodelk, volume, fd, cmd, lock);
- return 0;
-}
-
-
-int32_t
-qr_finodelk (call_frame_t *frame, xlator_t *this, const char *volume, fd_t *fd,
- int32_t cmd, struct gf_flock *lock)
+int
+qr_readv (call_frame_t *frame, xlator_t *this, fd_t *fd, size_t size,
+ off_t offset, uint32_t flags, dict_t *xdata)
{
- int flags = 0;
- uint64_t value = 0;
- call_stub_t *stub = NULL;
- char *path = NULL;
- loc_t loc = {0, };
- qr_fd_ctx_t *qr_fd_ctx = NULL;
- int32_t ret = -1, op_ret = -1, op_errno = -1;
- char need_open = 0, can_wind = 0, need_unwind = 0;
-
- ret = fd_ctx_get (fd, this, &value);
- if (ret == 0) {
- qr_fd_ctx = (qr_fd_ctx_t *)(long)value;
- }
-
- if (qr_fd_ctx) {
- LOCK (&qr_fd_ctx->lock);
- {
- path = qr_fd_ctx->path;
- flags = qr_fd_ctx->flags;
-
- if (!(qr_fd_ctx->opened
- || qr_fd_ctx->open_in_transit)) {
- need_open = 1;
- qr_fd_ctx->open_in_transit = 1;
- }
-
- if (qr_fd_ctx->opened) {
- can_wind = 1;
- } else {
- stub = fop_finodelk_stub (frame,
- qr_finodelk_helper,
- volume, fd, cmd,
- lock);
- if (stub == NULL) {
- op_ret = -1;
- op_errno = ENOMEM;
- need_unwind = 1;
- qr_fd_ctx->open_in_transit = 0;
- goto unlock;
- }
-
- list_add_tail (&stub->list,
- &qr_fd_ctx->waiting_ops);
- }
- }
- unlock:
- UNLOCK (&qr_fd_ctx->lock);
- } else {
- can_wind = 1;
- }
+ qr_inode_t *qr_inode = NULL;
-out:
- if (need_unwind) {
- QR_STACK_UNWIND (finodelk, frame, op_ret, op_errno);
- } else if (can_wind) {
- STACK_WIND (frame, qr_finodelk_cbk, FIRST_CHILD(this),
- FIRST_CHILD(this)->fops->finodelk, volume, fd,
- cmd, lock);
- } else if (need_open) {
- op_ret = qr_loc_fill (&loc, fd->inode, path);
- if (op_ret == -1) {
- need_unwind = 1;
- op_errno = errno;
- qr_resume_pending_ops (qr_fd_ctx);
- goto out;
- }
-
- STACK_WIND (frame, qr_open_cbk, FIRST_CHILD(this),
- FIRST_CHILD(this)->fops->open, &loc, flags, fd,
- qr_fd_ctx->wbflags);
+ qr_inode = qr_inode_ctx_get (this, fd->inode);
+ if (!qr_inode)
+ goto wind;
- qr_loc_wipe (&loc);
- }
+ if (qr_readv_cached (frame, qr_inode, size, offset, flags, xdata) <= 0)
+ goto wind;
- return 0;
-}
-
-
-int32_t
-qr_fsync_cbk (call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret,
- int32_t op_errno, struct iatt *prebuf, struct iatt *postbuf)
-{
- QR_STACK_UNWIND (fsync, frame, op_ret, op_errno, prebuf, postbuf);
+ return 0;
+wind:
+ STACK_WIND (frame, default_readv_cbk,
+ FIRST_CHILD (this), FIRST_CHILD (this)->fops->readv,
+ fd, size, offset, flags, xdata);
return 0;
}
-int32_t
-qr_fsync_helper (call_frame_t *frame, xlator_t *this, fd_t *fd, int32_t flags)
-{
- STACK_WIND (frame, qr_fsync_cbk, FIRST_CHILD (this),
- FIRST_CHILD(this)->fops->fsync, fd, flags);
- return 0;
-}
-
-int32_t
-qr_fsync (call_frame_t *frame, xlator_t *this, fd_t *fd, int32_t flags)
+int
+qr_writev (call_frame_t *frame, xlator_t *this, fd_t *fd, struct iovec *iov,
+ int count, off_t offset, uint32_t flags, struct iobref *iobref,
+ dict_t *xdata)
{
- uint64_t value = 0;
- call_stub_t *stub = NULL;
- char *path = NULL;
- loc_t loc = {0, };
- int open_flags = 0;
- qr_fd_ctx_t *qr_fd_ctx = NULL;
- int32_t ret = -1, op_ret = -1, op_errno = -1;
- char need_open = 0, can_wind = 0, need_unwind = 0;
-
- ret = fd_ctx_get (fd, this, &value);
- if (ret == 0) {
- qr_fd_ctx = (qr_fd_ctx_t *)(long)value;
- }
-
- if (qr_fd_ctx) {
- LOCK (&qr_fd_ctx->lock);
- {
- path = qr_fd_ctx->path;
- open_flags = qr_fd_ctx->flags;
-
- if (!(qr_fd_ctx->opened
- || qr_fd_ctx->open_in_transit)) {
- need_open = 1;
- qr_fd_ctx->open_in_transit = 1;
- }
+ qr_inode_prune (this, fd->inode);
- if (qr_fd_ctx->opened) {
- can_wind = 1;
- } else {
- stub = fop_fsync_stub (frame, qr_fsync_helper,
- fd, flags);
- if (stub == NULL) {
- op_ret = -1;
- op_errno = ENOMEM;
- need_unwind = 1;
- qr_fd_ctx->open_in_transit = 0;
- goto unlock;
- }
-
- list_add_tail (&stub->list,
- &qr_fd_ctx->waiting_ops);
- }
- }
- unlock:
- UNLOCK (&qr_fd_ctx->lock);
- } else {
- can_wind = 1;
- }
-
-out:
- if (need_unwind) {
- QR_STACK_UNWIND (fsync, frame, op_ret, op_errno, NULL,
- NULL);
- } else if (can_wind) {
- STACK_WIND (frame, qr_fsync_cbk, FIRST_CHILD (this),
- FIRST_CHILD (this)->fops->fsync, fd, flags);
- } else if (need_open) {
- op_ret = qr_loc_fill (&loc, fd->inode, path);
- if (op_ret == -1) {
- need_unwind = 1;
- op_errno = errno;
- qr_resume_pending_ops (qr_fd_ctx);
- goto out;
- }
-
- STACK_WIND (frame, qr_open_cbk, FIRST_CHILD(this),
- FIRST_CHILD(this)->fops->open, &loc, open_flags,
- fd, qr_fd_ctx->wbflags);
-
- qr_loc_wipe (&loc);
- }
-
- return 0;
+ STACK_WIND (frame, default_writev_cbk,
+ FIRST_CHILD (this), FIRST_CHILD (this)->fops->writev,
+ fd, iov, count, offset, flags, iobref, xdata);
+ return 0;
}
-int32_t
-qr_ftruncate_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int32_t op_ret, int32_t op_errno, struct iatt *prebuf,
- struct iatt *postbuf)
+int
+qr_truncate (call_frame_t *frame, xlator_t *this, loc_t *loc, off_t offset,
+ dict_t *xdata)
{
- int32_t ret = 0;
- uint64_t value = 0;
- qr_inode_t *qr_inode = NULL;
- qr_local_t *local = NULL;
- qr_private_t *priv = NULL;
- qr_inode_table_t *table = NULL;
-
- if (op_ret == -1) {
- goto out;
- }
-
- priv = this->private;
- table = &priv->table;
+ qr_inode_prune (this, loc->inode);
- local = frame->local;
- if ((local == NULL) || (local->fd == NULL)
- || (local->fd->inode == NULL)) {
- op_ret = -1;
- op_errno = EINVAL;
- goto out;
- }
-
- LOCK (&table->lock);
- {
- ret = inode_ctx_get (local->fd->inode, this, &value);
- if (ret == 0) {
- qr_inode = (qr_inode_t *)(long) value;
-
- if (qr_inode) {
- if (qr_inode->stbuf.ia_size != postbuf->ia_size)
- {
- inode_ctx_del (local->fd->inode, this,
- NULL);
- __qr_inode_free (qr_inode);
- }
- }
- }
- }
- UNLOCK (&table->lock);
-
-out:
- QR_STACK_UNWIND (ftruncate, frame, op_ret, op_errno, prebuf,
- postbuf);
- return 0;
-}
-
-
-int32_t
-qr_ftruncate_helper (call_frame_t *frame, xlator_t *this, fd_t *fd,
- off_t offset)
-{
- STACK_WIND (frame, qr_ftruncate_cbk, FIRST_CHILD(this),
- FIRST_CHILD(this)->fops->ftruncate, fd, offset);
- return 0;
+ STACK_WIND (frame, default_truncate_cbk,
+ FIRST_CHILD (this), FIRST_CHILD (this)->fops->truncate,
+ loc, offset, xdata);
+ return 0;
}
-int32_t
-qr_ftruncate (call_frame_t *frame, xlator_t *this, fd_t *fd, off_t offset)
+int
+qr_ftruncate (call_frame_t *frame, xlator_t *this, fd_t *fd, off_t offset,
+ dict_t *xdata)
{
- int flags = 0;
- uint64_t value = 0;
- call_stub_t *stub = NULL;
- char *path = NULL;
- loc_t loc = {0, };
- qr_local_t *local = NULL;
- qr_fd_ctx_t *qr_fd_ctx = NULL;
- int32_t ret = -1, op_ret = -1, op_errno = -1;
- char need_open = 0, can_wind = 0, need_unwind = 0;
-
- ret = fd_ctx_get (fd, this, &value);
- if (ret == 0) {
- qr_fd_ctx = (qr_fd_ctx_t *)(long)value;
- }
-
- local = GF_CALLOC (1, sizeof (*local),
- gf_qr_mt_qr_local_t);
- if (local == NULL) {
- op_ret = -1;
- op_errno = ENOMEM;
- need_unwind = 1;
- goto out;
- }
+ qr_inode_prune (this, fd->inode);
- local->fd = fd;
- frame->local = local;
-
- if (qr_fd_ctx) {
- LOCK (&qr_fd_ctx->lock);
- {
- path = qr_fd_ctx->path;
- flags = qr_fd_ctx->flags;
-
- if (!(qr_fd_ctx->opened
- || qr_fd_ctx->open_in_transit)) {
- need_open = 1;
- qr_fd_ctx->open_in_transit = 1;
- }
-
- if (qr_fd_ctx->opened) {
- can_wind = 1;
- } else {
- stub = fop_ftruncate_stub (frame,
- qr_ftruncate_helper,
- fd, offset);
- if (stub == NULL) {
- op_ret = -1;
- op_errno = ENOMEM;
- need_unwind = 1;
- qr_fd_ctx->open_in_transit = 0;
- goto unlock;
- }
-
- list_add_tail (&stub->list,
- &qr_fd_ctx->waiting_ops);
- }
- }
- unlock:
- UNLOCK (&qr_fd_ctx->lock);
- } else {
- can_wind = 1;
- }
-
-out:
- if (need_unwind) {
- QR_STACK_UNWIND (ftruncate, frame, op_ret, op_errno, NULL,
- NULL);
- } else if (can_wind) {
- STACK_WIND (frame, qr_ftruncate_cbk, FIRST_CHILD(this),
- FIRST_CHILD(this)->fops->ftruncate, fd, offset);
- } else if (need_open) {
- op_ret = qr_loc_fill (&loc, fd->inode, path);
- if (op_ret == -1) {
- need_unwind = 1;
- op_errno = errno;
- qr_resume_pending_ops (qr_fd_ctx);
- goto out;
- }
-
- STACK_WIND (frame, qr_open_cbk, FIRST_CHILD(this),
- FIRST_CHILD(this)->fops->open, &loc, flags, fd,
- qr_fd_ctx->wbflags);
-
- qr_loc_wipe (&loc);
- }
-
- return 0;
-}
-
-
-int32_t
-qr_lk_cbk (call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret,
- int32_t op_errno, struct gf_flock *lock)
-{
- QR_STACK_UNWIND (lk, frame, op_ret, op_errno, lock);
+ STACK_WIND (frame, default_ftruncate_cbk,
+ FIRST_CHILD (this), FIRST_CHILD (this)->fops->ftruncate,
+ fd, offset, xdata);
return 0;
}
-int32_t
-qr_lk_helper (call_frame_t *frame, xlator_t *this, fd_t *fd, int32_t cmd,
- struct gf_flock *lock)
+int
+qr_open (call_frame_t *frame, xlator_t *this, loc_t *loc, int flags,
+ fd_t *fd, dict_t *xdata)
{
- STACK_WIND (frame, qr_lk_cbk, FIRST_CHILD(this),
- FIRST_CHILD(this)->fops->lk, fd, cmd, lock);
+ qr_inode_set_priority (this, fd->inode, loc->path);
- return 0;
+ STACK_WIND (frame, default_open_cbk,
+ FIRST_CHILD (this), FIRST_CHILD (this)->fops->open,
+ loc, flags, fd, xdata);
+ return 0;
}
-
-int32_t
-qr_lk (call_frame_t *frame, xlator_t *this, fd_t *fd, int32_t cmd,
- struct gf_flock *lock)
+int
+qr_forget (xlator_t *this, inode_t *inode)
{
- int flags = 0;
- uint64_t value = 0;
- call_stub_t *stub = NULL;
- char *path = NULL;
- loc_t loc = {0, };
- qr_fd_ctx_t *qr_fd_ctx = NULL;
- int32_t ret = -1, op_ret = -1, op_errno = -1;
- char need_open = 0, can_wind = 0, need_unwind = 0;
-
- ret = fd_ctx_get (fd, this, &value);
- if (ret == 0) {
- qr_fd_ctx = (qr_fd_ctx_t *)(long)value;
- }
+ qr_inode_t *qr_inode = NULL;
- if (qr_fd_ctx) {
- LOCK (&qr_fd_ctx->lock);
- {
- path = qr_fd_ctx->path;
- flags = qr_fd_ctx->flags;
+ qr_inode = qr_inode_ctx_get (this, inode);
- if (!(qr_fd_ctx->opened
- || qr_fd_ctx->open_in_transit)) {
- need_open = 1;
- qr_fd_ctx->open_in_transit = 1;
- }
+ if (!qr_inode)
+ return 0;
- if (qr_fd_ctx->opened) {
- can_wind = 1;
- } else {
- stub = fop_lk_stub (frame, qr_lk_helper, fd,
- cmd, lock);
- if (stub == NULL) {
- op_ret = -1;
- op_errno = ENOMEM;
- need_unwind = 1;
- qr_fd_ctx->open_in_transit = 0;
- goto unlock;
- }
-
- list_add_tail (&stub->list,
- &qr_fd_ctx->waiting_ops);
- }
- }
- unlock:
- UNLOCK (&qr_fd_ctx->lock);
- } else {
- can_wind = 1;
- }
+ qr_inode_prune (this, inode);
-out:
- if (need_unwind) {
- QR_STACK_UNWIND (lk, frame, op_ret, op_errno, NULL);
- } else if (can_wind) {
- STACK_WIND (frame, qr_lk_cbk, FIRST_CHILD(this),
- FIRST_CHILD(this)->fops->lk, fd, cmd, lock);
- } else if (need_open) {
- op_ret = qr_loc_fill (&loc, fd->inode, path);
- if (op_ret == -1) {
- op_errno = errno;
- need_unwind = 1;
- qr_resume_pending_ops (qr_fd_ctx);
- goto out;
- }
-
- STACK_WIND (frame, qr_open_cbk, FIRST_CHILD(this),
- FIRST_CHILD(this)->fops->open, &loc, flags, fd,
- qr_fd_ctx->wbflags);
-
- qr_loc_wipe (&loc);
- }
+ GF_FREE (qr_inode);
- return 0;
+ return 0;
}
int32_t
-qr_release (xlator_t *this, fd_t *fd)
+qr_inodectx_dump (xlator_t *this, inode_t *inode)
{
- qr_fd_ctx_t *qr_fd_ctx = NULL;
- int32_t ret = 0;
- uint64_t value = 0;
-
- ret = fd_ctx_del (fd, this, &value);
- if (ret == 0) {
- qr_fd_ctx = (qr_fd_ctx_t *)(long) value;
- if (qr_fd_ctx) {
- qr_fd_ctx_free (qr_fd_ctx);
- }
- }
+ qr_inode_t *qr_inode = NULL;
+ int32_t ret = -1;
+ char key_prefix[GF_DUMP_MAX_BUF_LEN] = {0, };
+ char buf[256] = {0, };
- return 0;
-}
+ qr_inode = qr_inode_ctx_get (this, inode);
+ if (!qr_inode)
+ goto out;
+ gf_proc_dump_build_key (key_prefix, "xlator.performance.quick-read",
+ "inodectx");
+ gf_proc_dump_add_section (key_prefix);
-int32_t
-qr_forget (xlator_t *this, inode_t *inode)
-{
- qr_inode_t *qr_inode = NULL;
- uint64_t value = 0;
- int32_t ret = -1;
- qr_private_t *priv = NULL;
+ gf_proc_dump_write ("entire-file-cached", "%s", qr_inode->data ? "yes" : "no");
- priv = this->private;
+ if (qr_inode->last_refresh.tv_sec) {
+ gf_time_fmt (buf, sizeof buf, qr_inode->last_refresh.tv_sec,
+ gf_timefmt_FT);
+ snprintf (buf + strlen (buf), sizeof buf - strlen (buf),
+ ".%"GF_PRI_SUSECONDS, qr_inode->last_refresh.tv_usec);
- LOCK (&priv->table.lock);
- {
- ret = inode_ctx_del (inode, this, &value);
- if (ret == 0) {
- qr_inode = (qr_inode_t *)(long) value;
- __qr_inode_free (qr_inode);
- }
+ gf_proc_dump_write ("last-cache-validation-time", "%s", buf);
}
- UNLOCK (&priv->table.lock);
- return 0;
+ ret = 0;
+out:
+ return ret;
}
+
int
qr_priv_dump (xlator_t *this)
{
- qr_conf_t *conf = NULL;
- char key[GF_DUMP_MAX_BUF_LEN];
- char key_prefix[GF_DUMP_MAX_BUF_LEN];
- qr_private_t *priv = NULL;
- qr_inode_table_t *table = NULL;
- uint32_t file_count = 0;
- uint32_t i = 0;
- qr_inode_t *curr = NULL;
- uint64_t total_size = 0;
+ qr_conf_t *conf = NULL;
+ qr_private_t *priv = NULL;
+ qr_inode_table_t *table = NULL;
+ uint32_t file_count = 0;
+ uint32_t i = 0;
+ qr_inode_t *curr = NULL;
+ uint64_t total_size = 0;
+ char key_prefix[GF_DUMP_MAX_BUF_LEN];
- if (!this)
+ if (!this) {
return -1;
+ }
priv = this->private;
conf = &priv->conf;
- if (!conf) {
- gf_log (this->name, GF_LOG_WARNING,
- "conf null in xlator");
+ if (!conf)
return -1;
- }
table = &priv->table;
-
- gf_proc_dump_build_key (key_prefix,
- "xlator.performance.quick-read",
+ gf_proc_dump_build_key (key_prefix, "xlator.performance.quick-read",
"priv");
gf_proc_dump_add_section (key_prefix);
- gf_proc_dump_build_key (key, key_prefix, "max_file_size");
- gf_proc_dump_write (key, "%d", conf->max_file_size);
- gf_proc_dump_build_key (key, key_prefix, "cache_timeout");
- gf_proc_dump_write (key, "%d", conf->cache_timeout);
+ gf_proc_dump_write ("max_file_size", "%d", conf->max_file_size);
+ gf_proc_dump_write ("cache_timeout", "%d", conf->cache_timeout);
if (!table) {
- gf_log (this->name, GF_LOG_WARNING,
- "table is NULL");
goto out;
} else {
for (i = 0; i < conf->max_pri; i++) {
list_for_each_entry (curr, &table->lru[i], lru) {
file_count++;
- total_size += curr->stbuf.ia_size;
+ total_size += curr->size;
}
}
}
- gf_proc_dump_build_key (key, key_prefix, "total_files_cached");
- gf_proc_dump_write (key, "%d", file_count);
- gf_proc_dump_build_key (key, key_prefix, "total_cache_used");
- gf_proc_dump_write (key, "%d", total_size);
+ gf_proc_dump_write ("total_files_cached", "%d", file_count);
+ gf_proc_dump_write ("total_cache_used", "%d", total_size);
out:
return 0;
}
+
int32_t
mem_acct_init (xlator_t *this)
{
@@ -2425,7 +787,7 @@ mem_acct_init (xlator_t *this)
if (ret != 0) {
gf_log (this->name, GF_LOG_ERROR, "Memory accounting init"
- "failed");
+ "failed");
return ret;
}
@@ -2433,150 +795,95 @@ mem_acct_init (xlator_t *this)
}
-int
-validate_options (xlator_t *this, dict_t *options, char **op_errstr)
+static gf_boolean_t
+check_cache_size_ok (xlator_t *this, int64_t cache_size)
{
- char *str = NULL;
- int32_t ret = -1;
- int32_t cache_timeout;
- uint64_t cache_size;
+ int ret = _gf_true;
+ uint64_t total_mem = 0;
+ uint64_t max_cache_size = 0;
+ volume_option_t *opt = NULL;
- if (!this)
+ GF_ASSERT (this);
+ opt = xlator_volume_option_get (this, "cache-size");
+ if (!opt) {
+ ret = _gf_false;
+ gf_log (this->name, GF_LOG_ERROR,
+ "could not get cache-size option");
goto out;
-
-
-
- ret = dict_get_str (this->options, "cache-timeout", &str);
- if (ret == 0) {
- ret = gf_string2uint_base10 (str,
- (unsigned int *)&cache_timeout);
- if (ret != 0) {
- gf_log (this->name, GF_LOG_ERROR,
- "invalid cache-timeout value %s", str);
- *op_errstr = "Invalid Format!!";
- ret = -1;
- goto out;
- }
- if (ret < 1 || ret > 60) {
- gf_log (this->name, GF_LOG_ERROR,
- "invalid cache-timeout value %s", str);
- *op_errstr = "Range 1 <= value <= 60";
- ret = -1;
- goto out;
- }
}
- ret = dict_get_str (this->options, "cache-size", &str);
- if (ret == 0) {
- ret = gf_string2bytesize (str, &cache_size);
- if (ret != 0) {
- gf_log (this->name, GF_LOG_ERROR,
- "invalid cache-size value %s", str);
- ret = -1;
- goto out;
- }
- if (cache_size > 6 * GF_UNIT_GB) {
- gf_log (this->name, GF_LOG_ERROR,
- "invalid cache-size value %s", str);
- *op_errstr = "Range 4mb <= value <= 6gb";
- ret = -1;
- goto out;
- }
- if (cache_size < 4* GF_UNIT_MB) {
- gf_log (this->name, GF_LOG_ERROR,
- "invalid cache-size value %s", str);
- *op_errstr = "Range 4mb <= value <= 6gb";
- ret = -1;
- goto out;
- }
-
+ total_mem = get_mem_size ();
+ if (-1 == total_mem)
+ max_cache_size = opt->max;
+ else
+ max_cache_size = total_mem;
+
+ gf_log (this->name, GF_LOG_DEBUG, "Max cache size is %"PRIu64,
+ max_cache_size);
+ if (cache_size > max_cache_size) {
+ ret = _gf_false;
+ gf_log (this->name, GF_LOG_ERROR, "Cache size %"PRIu64
+ " is greater than the max size of %"PRIu64,
+ cache_size, max_cache_size);
+ goto out;
}
-
-
- ret =0;
out:
- return ret;
-
+ return ret;
}
int
reconfigure (xlator_t *this, dict_t *options)
{
+ int32_t ret = -1;
+ qr_private_t *priv = NULL;
+ qr_conf_t *conf = NULL;
+ uint64_t cache_size_new = 0;
-
-
- char *str = NULL;
- int32_t ret = -1;
- qr_private_t *priv = NULL;
- qr_conf_t *conf = NULL;
- int32_t cache_timeout;
- uint64_t cache_size;
-
- if (!this)
- goto out;
+ GF_VALIDATE_OR_GOTO ("quick-read", this, out);
+ GF_VALIDATE_OR_GOTO (this->name, this->private, out);
+ GF_VALIDATE_OR_GOTO (this->name, options, out);
priv = this->private;
- if (!priv)
- goto out;
conf = &priv->conf;
- if (!conf)
+ if (!conf) {
goto out;
-
- cache_timeout = conf->cache_timeout;
- ret = dict_get_str (options, "cache-timeout", &str);
- if (ret == 0) {
- ret = gf_string2uint_base10 (str,
- (unsigned int *)&conf->cache_timeout);
- if (ret != 0) {
- gf_log (this->name, GF_LOG_ERROR,
- "invalid cache-timeout value %s", str);
- ret = -1;
- goto out;
- }
- conf->cache_timeout = cache_timeout;
}
- else
- conf->cache_timeout = 1;
-
- cache_size = conf->cache_size;
- ret = dict_get_str (options, "cache-size", &str);
- if (ret == 0) {
- ret = gf_string2bytesize (str, &cache_size);
- if (ret != 0) {
- gf_log (this->name, GF_LOG_ERROR,
- "invalid cache-size %s(old value used)", str);
- conf->cache_size = cache_size;
- ret = -1;
- goto out;
- }
- gf_log (this->name, GF_LOG_DEBUG,
- "Reconfiguring cache-siz to %d", cache_size);
- conf->cache_size = cache_size;
+
+ GF_OPTION_RECONF ("cache-timeout", conf->cache_timeout, options, int32,
+ out);
+
+ GF_OPTION_RECONF ("cache-size", cache_size_new, options, size, out);
+ if (!check_cache_size_ok (this, cache_size_new)) {
+ ret = -1;
+ gf_log (this->name, GF_LOG_ERROR,
+ "Not reconfiguring cache-size");
+ goto out;
}
- else
- conf->cache_size = QR_DEFAULT_CACHE_SIZE;
+ conf->cache_size = cache_size_new;
ret = 0;
out:
return ret;
-
}
int32_t
qr_get_priority_list (const char *opt_str, struct list_head *first)
{
- int32_t max_pri = 1;
- char *tmp_str = NULL;
- char *tmp_str1 = NULL;
- char *tmp_str2 = NULL;
- char *dup_str = NULL;
- char *priority_str = NULL;
- char *pattern = NULL;
- char *priority = NULL;
- char *string = NULL;
- struct qr_priority *curr = NULL, *tmp = NULL;
+ int32_t max_pri = 1;
+ char *tmp_str = NULL;
+ char *tmp_str1 = NULL;
+ char *tmp_str2 = NULL;
+ char *dup_str = NULL;
+ char *priority_str = NULL;
+ char *pattern = NULL;
+ char *priority = NULL;
+ char *string = NULL;
+ struct qr_priority *curr = NULL, *tmp = NULL;
+
+ GF_VALIDATE_OR_GOTO ("quick-read", opt_str, out);
+ GF_VALIDATE_OR_GOTO ("quick-read", first, out);
string = gf_strdup (opt_str);
if (string == NULL) {
@@ -2584,72 +891,68 @@ qr_get_priority_list (const char *opt_str, struct list_head *first)
goto out;
}
- /* Get the pattern for cache priority.
- * "option priority *.jpg:1,abc*:2" etc
- */
- /* TODO: inode_lru in table is statically hard-coded to 5,
- * should be changed to run-time configuration
- */
- priority_str = strtok_r (string, ",", &tmp_str);
- while (priority_str) {
- curr = GF_CALLOC (1, sizeof (*curr), gf_qr_mt_qr_priority_t);
+ /* Get the pattern for cache priority.
+ * "option priority *.jpg:1,abc*:2" etc
+ */
+ /* TODO: inode_lru in table is statically hard-coded to 5,
+ * should be changed to run-time configuration
+ */
+ priority_str = strtok_r (string, ",", &tmp_str);
+ while (priority_str) {
+ curr = GF_CALLOC (1, sizeof (*curr), gf_qr_mt_qr_priority_t);
if (curr == NULL) {
max_pri = -1;
goto out;
}
- list_add_tail (&curr->list, first);
+ list_add_tail (&curr->list, first);
- dup_str = gf_strdup (priority_str);
+ dup_str = gf_strdup (priority_str);
if (dup_str == NULL) {
max_pri = -1;
goto out;
}
- pattern = strtok_r (dup_str, ":", &tmp_str1);
- if (!pattern) {
+ pattern = strtok_r (dup_str, ":", &tmp_str1);
+ if (!pattern) {
max_pri = -1;
goto out;
}
- priority = strtok_r (NULL, ":", &tmp_str1);
- if (!priority) {
+ priority = strtok_r (NULL, ":", &tmp_str1);
+ if (!priority) {
max_pri = -1;
goto out;
}
- gf_log ("quick-read", GF_LOG_TRACE,
- "quick-read priority : pattern %s : priority %s",
- pattern,
- priority);
+ gf_log ("quick-read", GF_LOG_TRACE,
+ "quick-read priority : pattern %s : priority %s",
+ pattern,
+ priority);
- curr->pattern = gf_strdup (pattern);
+ curr->pattern = gf_strdup (pattern);
if (curr->pattern == NULL) {
max_pri = -1;
goto out;
}
- curr->priority = strtol (priority, &tmp_str2, 0);
- if (tmp_str2 && (*tmp_str2)) {
+ curr->priority = strtol (priority, &tmp_str2, 0);
+ if (tmp_str2 && (*tmp_str2)) {
max_pri = -1;
goto out;
} else {
- max_pri = max (max_pri, curr->priority);
+ max_pri = max (max_pri, curr->priority);
}
GF_FREE (dup_str);
dup_str = NULL;
- priority_str = strtok_r (NULL, ",", &tmp_str);
- }
-out:
- if (string != NULL) {
- GF_FREE (string);
+ priority_str = strtok_r (NULL, ",", &tmp_str);
}
+out:
+ GF_FREE (string);
- if (dup_str != NULL) {
- GF_FREE (dup_str);
- }
+ GF_FREE (dup_str);
if (max_pri == -1) {
list_for_each_entry_safe (curr, tmp, first, list) {
@@ -2659,14 +962,13 @@ out:
}
}
- return max_pri;
+ return max_pri;
}
int32_t
init (xlator_t *this)
{
- char *str = NULL;
int32_t ret = -1, i = 0;
qr_private_t *priv = NULL;
qr_conf_t *conf = NULL;
@@ -2674,89 +976,55 @@ init (xlator_t *this)
if (!this->children || this->children->next) {
gf_log (this->name, GF_LOG_ERROR,
"FATAL: volume (%s) not configured with exactly one "
- "child", this->name);
+ "child", this->name);
return -1;
}
- if (!this->parents) {
- gf_log (this->name, GF_LOG_WARNING,
- "dangling volume. check volfile ");
- }
+ if (!this->parents) {
+ gf_log (this->name, GF_LOG_WARNING,
+ "dangling volume. check volfile ");
+ }
- priv = GF_CALLOC (1, sizeof (*priv),
- gf_qr_mt_qr_private_t);
+ priv = GF_CALLOC (1, sizeof (*priv), gf_qr_mt_qr_private_t);
if (priv == NULL) {
- gf_log (this->name, GF_LOG_ERROR,
- "out of memory");
ret = -1;
goto out;
}
LOCK_INIT (&priv->table.lock);
conf = &priv->conf;
- conf->max_file_size = 65536;
- ret = dict_get_str (this->options, "max-file-size",
- &str);
- if (ret == 0) {
- ret = gf_string2bytesize (str, &conf->max_file_size);
- if (ret != 0) {
- gf_log (this->name, GF_LOG_ERROR,
- "invalid number format \"%s\" of \"option "
- "max-file-size\"",
- str);
- ret = -1;
- goto out;
- }
- }
- conf->cache_timeout = 1;
- ret = dict_get_str (this->options, "cache-timeout", &str);
- if (ret == 0) {
- ret = gf_string2uint_base10 (str,
- (unsigned int *)&conf->cache_timeout);
- if (ret != 0) {
- gf_log (this->name, GF_LOG_ERROR,
- "invalid cache-timeout value %s", str);
- ret = -1;
- goto out;
- }
- }
+ GF_OPTION_INIT ("max-file-size", conf->max_file_size, size, out);
- conf->cache_size = QR_DEFAULT_CACHE_SIZE;
- ret = dict_get_str (this->options, "cache-size", &str);
- if (ret == 0) {
- ret = gf_string2bytesize (str, &conf->cache_size);
- if (ret != 0) {
- gf_log (this->name, GF_LOG_ERROR,
- "invalid cache-size value %s", str);
- ret = -1;
- goto out;
- }
+ GF_OPTION_INIT ("cache-timeout", conf->cache_timeout, int32, out);
+
+ GF_OPTION_INIT ("cache-size", conf->cache_size, size, out);
+ if (!check_cache_size_ok (this, conf->cache_size)) {
+ ret = -1;
+ goto out;
}
- INIT_LIST_HEAD (&conf->priority_list);
- conf->max_pri = 1;
- if (dict_get (this->options, "priority")) {
- char *option_list = data_to_str (dict_get (this->options,
- "priority"));
- gf_log (this->name, GF_LOG_TRACE,
- "option path %s", option_list);
- /* parse the list of pattern:priority */
- conf->max_pri = qr_get_priority_list (option_list,
- &conf->priority_list);
-
- if (conf->max_pri == -1) {
+ INIT_LIST_HEAD (&conf->priority_list);
+ conf->max_pri = 1;
+ if (dict_get (this->options, "priority")) {
+ char *option_list = data_to_str (dict_get (this->options,
+ "priority"));
+ gf_log (this->name, GF_LOG_TRACE,
+ "option path %s", option_list);
+ /* parse the list of pattern:priority */
+ conf->max_pri = qr_get_priority_list (option_list,
+ &conf->priority_list);
+
+ if (conf->max_pri == -1) {
goto out;
}
conf->max_pri ++;
- }
+ }
- priv->table.lru = GF_CALLOC (conf->max_pri,
- sizeof (*priv->table.lru),
+ priv->table.lru = GF_CALLOC (conf->max_pri, sizeof (*priv->table.lru),
gf_common_mt_list_head);
if (priv->table.lru == NULL) {
ret = -1;
- gf_log (this->name, GF_LOG_ERROR, "out of memory");
goto out;
}
@@ -2777,57 +1045,103 @@ out:
void
-fini (xlator_t *this)
+qr_inode_table_destroy (qr_private_t *priv)
{
+ int i = 0;
+ qr_conf_t *conf = NULL;
+
+ conf = &priv->conf;
+
+ for (i = 0; i < conf->max_pri; i++) {
+ GF_ASSERT (list_empty (&priv->table.lru[i]));
+ }
+
+ LOCK_DESTROY (&priv->table.lock);
+
return;
}
+void
+qr_conf_destroy (qr_conf_t *conf)
+{
+ struct qr_priority *curr = NULL, *tmp = NULL;
+
+ list_for_each_entry_safe (curr, tmp, &conf->priority_list, list) {
+ list_del (&curr->list);
+ GF_FREE (curr->pattern);
+ GF_FREE (curr);
+ }
+
+ return;
+}
+
+
+void
+fini (xlator_t *this)
+{
+ qr_private_t *priv = NULL;
+
+ if (this == NULL) {
+ goto out;
+ }
+
+ priv = this->private;
+ if (priv == NULL) {
+ goto out;
+ }
+
+ qr_inode_table_destroy (priv);
+ qr_conf_destroy (&priv->conf);
+
+ this->private = NULL;
+
+ GF_FREE (priv);
+out:
+ return;
+}
+
struct xlator_fops fops = {
- .lookup = qr_lookup,
+ .lookup = qr_lookup,
+ .readdirp = qr_readdirp,
.open = qr_open,
.readv = qr_readv,
- .writev = qr_writev,
- .fstat = qr_fstat,
- .fsetxattr = qr_fsetxattr,
- .fgetxattr = qr_fgetxattr,
- .flush = qr_flush,
- .fentrylk = qr_fentrylk,
- .finodelk = qr_finodelk,
- .fsync = qr_fsync,
- .ftruncate = qr_ftruncate,
- .lk = qr_lk,
- .fsetattr = qr_fsetattr,
+ .writev = qr_writev,
+ .truncate = qr_truncate,
+ .ftruncate = qr_ftruncate
};
-
-
struct xlator_cbks cbks = {
.forget = qr_forget,
- .release = qr_release,
};
struct xlator_dumpops dumpops = {
.priv = qr_priv_dump,
+ .inodectx = qr_inodectx_dump,
};
struct volume_options options[] = {
- { .key = {"priority"},
- .type = GF_OPTION_TYPE_ANY
- },
+ { .key = {"priority"},
+ .type = GF_OPTION_TYPE_ANY
+ },
{ .key = {"cache-size"},
.type = GF_OPTION_TYPE_SIZET,
.min = 0,
- .max = 6 * GF_UNIT_GB,
+ .max = 32 * GF_UNIT_GB,
+ .default_value = "128MB",
+ .description = "Size of the read cache."
},
{ .key = {"cache-timeout"},
.type = GF_OPTION_TYPE_INT,
.min = 1,
- .max = 60
+ .max = 60,
+ .default_value = "1",
},
{ .key = {"max-file-size"},
.type = GF_OPTION_TYPE_SIZET,
.min = 0,
.max = 1 * GF_UNIT_KB * 1000,
+ .default_value = "64KB",
},
+ { .key = {NULL} }
};
generated by cgit (git 2.34.1) at 2026-01-05 11:02:44 +0000