From: Zheng Liu <wenqing.lz@taobao.com>
Date: Tue, 28 May 2013 11:27:11 +0000 (-0400)
Subject: jbd2: use kmem_cache_zalloc for allocating journal head
X-Git-Tag: omap-for-v3.11/fixes-for-merge-window~83^2~66
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5d9cf9c6254ddc551fb51072f59dfae60e579736;p=pandora-kernel.git

jbd2: use kmem_cache_zalloc for allocating journal head

This commit tries to use kmem_cache_zalloc instead of kmem_cache_alloc/
memset when a new journal head is alloctated.

Signed-off-by: Zheng Liu <wenqing.lz@taobao.com>
Cc: "Theodore Ts'o" <tytso@mit.edu>
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