diff options
Diffstat (limited to 'fs/jbd')
-rw-r--r-- | fs/jbd/journal.c | 4 | ||||
-rw-r--r-- | fs/jbd/revoke.c | 6 | ||||
-rw-r--r-- | fs/jbd/transaction.c | 9 |
3 files changed, 15 insertions, 4 deletions
diff --git a/fs/jbd/journal.c b/fs/jbd/journal.c index 06ab3c10b1b..a6be78c05dc 100644 --- a/fs/jbd/journal.c +++ b/fs/jbd/journal.c @@ -1710,7 +1710,7 @@ static int journal_init_journal_head_cache(void) journal_head_cache = kmem_cache_create("journal_head", sizeof(struct journal_head), 0, /* offset */ - 0, /* flags */ + SLAB_TEMPORARY, /* flags */ NULL); /* ctor */ retval = 0; if (journal_head_cache == 0) { @@ -2006,7 +2006,7 @@ static int __init journal_init_handle_cache(void) jbd_handle_cache = kmem_cache_create("journal_handle", sizeof(handle_t), 0, /* offset */ - 0, /* flags */ + SLAB_TEMPORARY, /* flags */ NULL); /* ctor */ if (jbd_handle_cache == NULL) { printk(KERN_EMERG "JBD: failed to create handle cache\n"); diff --git a/fs/jbd/revoke.c b/fs/jbd/revoke.c index 62e13c8db13..ad2eacf570c 100644 --- a/fs/jbd/revoke.c +++ b/fs/jbd/revoke.c @@ -170,13 +170,15 @@ int __init journal_init_revoke_caches(void) { revoke_record_cache = kmem_cache_create("revoke_record", sizeof(struct jbd_revoke_record_s), - 0, SLAB_HWCACHE_ALIGN, NULL); + 0, + SLAB_HWCACHE_ALIGN|SLAB_TEMPORARY, + NULL); if (revoke_record_cache == 0) return -ENOMEM; revoke_table_cache = kmem_cache_create("revoke_table", sizeof(struct jbd_revoke_table_s), - 0, 0, NULL); + 0, SLAB_TEMPORARY, NULL); if (revoke_table_cache == 0) { kmem_cache_destroy(revoke_record_cache); revoke_record_cache = NULL; diff --git a/fs/jbd/transaction.c b/fs/jbd/transaction.c index 772b6531a2a..8df5bac0b7a 100644 --- a/fs/jbd/transaction.c +++ b/fs/jbd/transaction.c @@ -233,6 +233,8 @@ out: return ret; } +static struct lock_class_key jbd_handle_key; + /* Allocate a new handle. This should probably be in a slab... */ static handle_t *new_handle(int nblocks) { @@ -243,6 +245,8 @@ static handle_t *new_handle(int nblocks) handle->h_buffer_credits = nblocks; handle->h_ref = 1; + lockdep_init_map(&handle->h_lockdep_map, "jbd_handle", &jbd_handle_key, 0); + return handle; } @@ -286,6 +290,9 @@ handle_t *journal_start(journal_t *journal, int nblocks) current->journal_info = NULL; handle = ERR_PTR(err); } + + lock_acquire(&handle->h_lockdep_map, 0, 0, 0, 2, _THIS_IP_); + return handle; } @@ -1411,6 +1418,8 @@ int journal_stop(handle_t *handle) spin_unlock(&journal->j_state_lock); } + lock_release(&handle->h_lockdep_map, 1, _THIS_IP_); + jbd_free_handle(handle); return err; } |