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-rw-r--r--fs/jbd2/revoke.c36
1 files changed, 22 insertions, 14 deletions
diff --git a/fs/jbd2/revoke.c b/fs/jbd2/revoke.c
index 2e1453a5e998..72b260896bbd 100644
--- a/fs/jbd2/revoke.c
+++ b/fs/jbd2/revoke.c
@@ -167,33 +167,41 @@ static struct jbd2_revoke_record_s *find_revoke_record(journal_t *journal,
return NULL;
}
+void jbd2_journal_destroy_revoke_caches(void)
+{
+ if (jbd2_revoke_record_cache) {
+ kmem_cache_destroy(jbd2_revoke_record_cache);
+ jbd2_revoke_record_cache = NULL;
+ }
+ if (jbd2_revoke_table_cache) {
+ kmem_cache_destroy(jbd2_revoke_table_cache);
+ jbd2_revoke_table_cache = NULL;
+ }
+}
+
int __init jbd2_journal_init_revoke_caches(void)
{
+ J_ASSERT(!jbd2_revoke_record_cache);
+ J_ASSERT(!jbd2_revoke_table_cache);
+
jbd2_revoke_record_cache = kmem_cache_create("jbd2_revoke_record",
sizeof(struct jbd2_revoke_record_s),
0,
SLAB_HWCACHE_ALIGN|SLAB_TEMPORARY,
NULL);
if (!jbd2_revoke_record_cache)
- return -ENOMEM;
+ goto record_cache_failure;
jbd2_revoke_table_cache = kmem_cache_create("jbd2_revoke_table",
sizeof(struct jbd2_revoke_table_s),
0, SLAB_TEMPORARY, NULL);
- if (!jbd2_revoke_table_cache) {
- kmem_cache_destroy(jbd2_revoke_record_cache);
- jbd2_revoke_record_cache = NULL;
- return -ENOMEM;
- }
+ if (!jbd2_revoke_table_cache)
+ goto table_cache_failure;
return 0;
-}
-
-void jbd2_journal_destroy_revoke_caches(void)
-{
- kmem_cache_destroy(jbd2_revoke_record_cache);
- jbd2_revoke_record_cache = NULL;
- kmem_cache_destroy(jbd2_revoke_table_cache);
- jbd2_revoke_table_cache = NULL;
+table_cache_failure:
+ jbd2_journal_destroy_revoke_caches();
+record_cache_failure:
+ return -ENOMEM;
}
/* Initialise the revoke table for a given journal to a given size. */