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jbd: use kmem_cache_zalloc instead of kmem_cache_alloc/memset

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Now jbd_alloc_handle 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: Jan Kara <jack@suse.cz>
This commit is contained in:
Zheng Liu 2013-04-12 02:24:06 +00:00 committed by Jan Kara
parent e678a4f0f5
commit e162b2f835
2 changed files with 1 additions and 2 deletions
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1
fs/jbd/transaction.c
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@ -245,7 +245,6 @@ static handle_t *new_handle(int nblocks)
handle_t *handle = jbd_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/jbd.h
View File

@ -887,7 +887,7 @@ extern struct kmem_cache *jbd_handle_cache;
static inline handle_t *jbd_alloc_handle(gfp_t gfp_flags)
{
return kmem_cache_alloc(jbd_handle_cache, gfp_flags);
return kmem_cache_zalloc(jbd_handle_cache, gfp_flags);
}
static inline void jbd_free_handle(handle_t *handle)