diff options
Diffstat (limited to 'xlators/performance/io-cache/src/io-cache.c')
| -rw-r--r-- | xlators/performance/io-cache/src/io-cache.c | 58 |
1 files changed, 54 insertions, 4 deletions
diff --git a/xlators/performance/io-cache/src/io-cache.c b/xlators/performance/io-cache/src/io-cache.c index 83948ff0e3f..3fb4c850efd 100644 --- a/xlators/performance/io-cache/src/io-cache.c +++ b/xlators/performance/io-cache/src/io-cache.c @@ -891,6 +891,13 @@ ioc_readv (call_frame_t *frame, xlator_t *this, fd_t *fd, ioc_inode_t *ioc_inode = NULL; ioc_local_t *local = NULL; uint32_t weight = 0; + ioc_table_t *table = NULL; + uint32_t num_pages = 0; + int32_t op_errno = -1; + + if (!this) { + goto out; + } inode_ctx_get (fd->inode, this, &tmp_ioc_inode); ioc_inode = (ioc_inode_t *)(long)tmp_ioc_inode; @@ -903,6 +910,47 @@ ioc_readv (call_frame_t *frame, xlator_t *this, fd_t *fd, return 0; } + + table = this->private; + + if (!table) { + gf_log (this->name, GF_LOG_ERROR, "table is null"); + op_errno = EINVAL; + goto out; + } + + + ioc_table_lock (table); + if (!table->mem_pool) { + + num_pages = (table->cache_size / table->page_size) + + ((table->cache_size % table->page_size) ? 1 : 0); + + table->mem_pool + = mem_pool_new (rbthash_entry_t, num_pages); + + if (!table->mem_pool) { + gf_log (this->name, GF_LOG_ERROR, + "Unable to allocate mem_pool"); + op_errno = ENOMEM; + ioc_table_unlock (table); + goto out; + } + } + ioc_table_unlock (table); + + if (!ioc_inode->cache.page_table) { + ioc_inode->cache.page_table + = rbthash_table_init (IOC_PAGE_TABLE_BUCKET_COUNT, + ioc_hashfn, NULL, 0, + table->mem_pool); + + if (ioc_inode->cache.page_table == NULL) { + op_errno = ENOMEM; + goto out; + } + } + if (!fd_ctx_get (fd, this, NULL)) { /* disable caching for this fd, go ahead with normal readv */ STACK_WIND (frame, ioc_readv_disabled_cbk, @@ -915,9 +963,8 @@ ioc_readv (call_frame_t *frame, xlator_t *this, fd_t *fd, local = (ioc_local_t *) CALLOC (1, sizeof (ioc_local_t)); if (local == NULL) { gf_log (this->name, GF_LOG_ERROR, "out of memory"); - STACK_UNWIND_STRICT (readv, frame, -1, ENOMEM, NULL, 0, NULL, - NULL); - return 0; + op_errno = ENOMEM; + goto out; } INIT_LIST_HEAD (&local->fill_list); @@ -943,8 +990,11 @@ ioc_readv (call_frame_t *frame, xlator_t *this, fd_t *fd, ioc_table_unlock (ioc_inode->table); ioc_dispatch_requests (frame, ioc_inode, fd, offset, size); - return 0; + +out: + STACK_UNWIND_STRICT (readv, frame, -1, op_errno, NULL, 0, NULL, NULL); + return 0; } /* |