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jbd2: use kmem_cache_zalloc instead of kmem_cache_alloc/memset 

The jbd2_alloc_handle() function is only called by new_handle().  So
this commit uses kmem_cache_zalloc() instead of
kmem_cache_alloc()/memset().

Signed-off-by: Zheng Liu <wenqing.lz@taobao.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
This commit is contained in:
Zheng Liu 2013-04-19 17:49:23 -04:00 committed by Theodore Ts'o
parent 2656497b26
commit 28daf4fae8
2 changed files with 1 additions and 2 deletions
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1
fs/jbd2/transaction.c
View File

@ -332,7 +332,6 @@ static handle_t *new_handle(int nblocks)
handle_t *handle = jbd2_alloc_handle(GFP_NOFS);
if (!handle)
return NULL;
memset(handle, 0, sizeof(*handle));
handle->h_buffer_credits = nblocks;
handle->h_ref = 1;

2
include/linux/jbd2.h
View File

@ -1145,7 +1145,7 @@ extern struct kmem_cache *jbd2_handle_cache;
static inline handle_t *jbd2_alloc_handle(gfp_t gfp_flags)
{
return kmem_cache_alloc(jbd2_handle_cache, gfp_flags);
return kmem_cache_zalloc(jbd2_handle_cache, gfp_flags);
}
static inline void jbd2_free_handle(handle_t *handle)