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fs: Fix to correct the mbcache entries counter

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This patch fixes the c_entry_count counter of the mbcache. Currently
it increments the counter first & allocate the cache entry later. In
case of failure to allocate the entry due to insufficient memory this
counter is still left incremented. This patch fixes this anomaly.

Signed-off-by: Ram Gupta <ram.gupta5@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Ram Gupta 2007-10-25 10:03:28 -05:00 • committed by Linus Torvalds
parent 2a2da53b18
commit f9e83489cb
1 changed files with 1 additions and 1 deletions
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2
fs/mbcache.c
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@ -403,9 +403,9 @@ mb_cache_entry_alloc(struct mb_cache *cache)
{ {
struct mb_cache_entry *ce; struct mb_cache_entry *ce;
atomic_inc(&cache->c_entry_count);
ce = kmem_cache_alloc(cache->c_entry_cache, GFP_KERNEL); ce = kmem_cache_alloc(cache->c_entry_cache, GFP_KERNEL);
if (ce) { if (ce) {
atomic_inc(&cache->c_entry_count);
INIT_LIST_HEAD(&ce->e_lru_list); INIT_LIST_HEAD(&ce->e_lru_list);
INIT_LIST_HEAD(&ce->e_block_list); INIT_LIST_HEAD(&ce->e_block_list);
ce->e_cache = cache; ce->e_cache = cache;