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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 <[email protected]>
Cc: Jan Kara <[email protected]>
Cc: Theodore Ts'o <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
majianpeng 2013-04-29 15:08:51 -07:00 • committed by Linus Torvalds
commit e76004093d
3 changed files with 0 additions and 6 deletions
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fs/jbd2/journal.c
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@ -367,8 +367,6 @@ retry_alloc:
}
/* keep subsequent assertions sane */
new_bh->b_state = 0;
init_buffer(new_bh, NULL, NULL);
atomic_set(&new_bh->b_count, 1);
new_jh = jbd2_journal_add_journal_head(new_bh); /* This sleeps */