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authorWang Shilong <wangsl-fnst@cn.fujitsu.com>2013-01-12 13:34:50 +0400
committerJan Kara <jack@suse.cz>2013-01-21 14:19:56 +0400
commit2b0542a4a0d9b8cb98e64fc87c5e31d130029a92 (patch)
treef4dceeb8df21b16ffe4fe949816503b15d0fc649 /virt
parent61f43e6880dee5983999fe40bf96c1cf43740b4c (diff)
downloadlinux-2b0542a4a0d9b8cb98e64fc87c5e31d130029a92.tar.xz
Ext2: use unlikely to improve the efficiency of the kernel
Because the function 'sb_getblk' seldomly fails to return NULL value. It will be better to use unlikely to optimize it. Signed-off-by: Wang shilong <wangsl-fnst@cn.fujitsu.com> Signed-off-by: Jan Kara <jack@suse.cz>
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