diff options
Diffstat (limited to 'storage/innodb_plugin/sync/sync0sync.c')
| -rw-r--r-- | storage/innodb_plugin/sync/sync0sync.c | 47 |
1 files changed, 32 insertions, 15 deletions
diff --git a/storage/innodb_plugin/sync/sync0sync.c b/storage/innodb_plugin/sync/sync0sync.c index 2be9d667705..3e66aaafef2 100644 --- a/storage/innodb_plugin/sync/sync0sync.c +++ b/storage/innodb_plugin/sync/sync0sync.c @@ -1,6 +1,6 @@ /***************************************************************************** -Copyright (c) 1995, 2010, Innobase Oy. All Rights Reserved. +Copyright (c) 1995, 2011, Oracle and/or its affiliates. All Rights Reserved. Copyright (c) 2008, Google Inc. Portions of this file contain modifications contributed and copyrighted by @@ -656,7 +656,7 @@ mutex_set_debug_info( ut_ad(mutex); ut_ad(file_name); - sync_thread_add_level(mutex, mutex->level); + sync_thread_add_level(mutex, mutex->level, FALSE); mutex->file_name = file_name; mutex->line = line; @@ -1083,8 +1083,9 @@ void sync_thread_add_level( /*==================*/ void* latch, /*!< in: pointer to a mutex or an rw-lock */ - ulint level) /*!< in: level in the latching order; if + ulint level, /*!< in: level in the latching order; if SYNC_LEVEL_VARYING, nothing is done */ + ibool relock) /*!< in: TRUE if re-entering an x-lock */ { sync_level_t* array; sync_level_t* slot; @@ -1132,6 +1133,10 @@ sync_thread_add_level( array = thread_slot->levels; + if (relock) { + goto levels_ok; + } + /* NOTE that there is a problem with _NODE and _LEAF levels: if the B-tree height changes, then a leaf can change to an internal node or the other way around. We do not know at present if this can cause @@ -1155,7 +1160,6 @@ sync_thread_add_level( case SYNC_DOUBLEWRITE: case SYNC_BUF_POOL: case SYNC_SEARCH_SYS: - case SYNC_SEARCH_SYS_CONF: case SYNC_TRX_LOCK_HEAP: case SYNC_KERNEL: case SYNC_IBUF_BITMAP_MUTEX: @@ -1168,6 +1172,7 @@ sync_thread_add_level( case SYNC_DICT_HEADER: case SYNC_TRX_I_S_RWLOCK: case SYNC_TRX_I_S_LAST_READ: + case SYNC_IBUF_MUTEX: if (!sync_thread_levels_g(array, level, TRUE)) { fprintf(stderr, "InnoDB: sync_thread_levels_g(array, %lu)" @@ -1231,22 +1236,33 @@ sync_thread_add_level( || sync_thread_levels_g(array, SYNC_TREE_NODE - 1, TRUE)); break; case SYNC_TREE_NODE_NEW: - ut_a(sync_thread_levels_contain(array, SYNC_FSP_PAGE) - || sync_thread_levels_contain(array, SYNC_IBUF_MUTEX)); + ut_a(sync_thread_levels_contain(array, SYNC_FSP_PAGE)); break; case SYNC_INDEX_TREE: - if (sync_thread_levels_contain(array, SYNC_IBUF_MUTEX) - && sync_thread_levels_contain(array, SYNC_FSP)) { - ut_a(sync_thread_levels_g(array, SYNC_FSP_PAGE - 1, - TRUE)); + ut_a(sync_thread_levels_g(array, SYNC_TREE_NODE - 1, TRUE)); + break; + case SYNC_IBUF_TREE_NODE: + ut_a(sync_thread_levels_contain(array, SYNC_IBUF_INDEX_TREE) + || sync_thread_levels_g(array, SYNC_IBUF_TREE_NODE - 1, + TRUE)); + break; + case SYNC_IBUF_TREE_NODE_NEW: + /* ibuf_add_free_page() allocates new pages for the + change buffer while only holding the tablespace + x-latch. These pre-allocated new pages may only be + taken in use while holding ibuf_mutex, in + btr_page_alloc_for_ibuf(). */ + ut_a(sync_thread_levels_contain(array, SYNC_IBUF_MUTEX) + || sync_thread_levels_contain(array, SYNC_FSP)); + break; + case SYNC_IBUF_INDEX_TREE: + if (sync_thread_levels_contain(array, SYNC_FSP)) { + ut_a(sync_thread_levels_g(array, level - 1, TRUE)); } else { - ut_a(sync_thread_levels_g(array, SYNC_TREE_NODE - 1, - TRUE)); + ut_a(sync_thread_levels_g( + array, SYNC_IBUF_TREE_NODE - 1, TRUE)); } break; - case SYNC_IBUF_MUTEX: - ut_a(sync_thread_levels_g(array, SYNC_FSP_PAGE - 1, TRUE)); - break; case SYNC_IBUF_PESS_INSERT_MUTEX: ut_a(sync_thread_levels_g(array, SYNC_FSP - 1, TRUE)); ut_a(!sync_thread_levels_contain(array, SYNC_IBUF_MUTEX)); @@ -1269,6 +1285,7 @@ sync_thread_add_level( ut_error; } +levels_ok: for (i = 0; i < SYNC_THREAD_N_LEVELS; i++) { slot = sync_thread_levels_get_nth(array, i); |