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fs/buffer.c: remove unnecessary init operation after allocating buffer_head.

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bh allocation uses kmem_cache_zalloc() so we needn't call
'init_buffer(bh, NULL, NULL)' and perform other set-zero-operations.

Signed-off-by: Jianpeng Ma <majianpeng@gmail.com>
Cc: Jan Kara <jack@suse.cz>
Cc: Theodore Ts'o <tytso@mit.edu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
majianpeng 2013-04-29 15:08:51 -07:00 • committed by Linus Torvalds
parent 3464046824
commit e76004093d
3 changed files with 0 additions and 6 deletions
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2
fs/buffer.c
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@ -865,8 +865,6 @@ try_again:
/* Link the buffer to its page */
set_bh_page(bh, page, offset);
init_buffer(bh, NULL, NULL);
}
return head;
/*