jbd: use kmem_cache_zalloc instead of kmem_cache_alloc/memset
authorZheng Liu <wenqing.lz@taobao.com>
Fri, 12 Apr 2013 02:24:06 +0000 (02:24 +0000)
committerJan Kara <jack@suse.cz>
Thu, 25 Apr 2013 13:25:23 +0000 (15:25 +0200)
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>

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