The patch titled
Subject: fs/buffer.c: remove redundant initialization in alloc_page_buffers()
has been added to the -mm tree. Its filename is
fs-bufferc-remove-redundant-initialization-in-alloc_page_buffers.patch
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------------------------------------------------------
From: Yan Hong <clouds.yan@xxxxxxxxx>
Subject: fs/buffer.c: remove redundant initialization in alloc_page_buffers()
buffer_head comes from kmem_cache_zalloc(), no need to zero its fields.
Signed-off-by: Yan Hong <clouds.yan@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
fs/buffer.c | 3 ---
1 file changed, 3 deletions(-)
diff -puN fs/buffer.c~fs-bufferc-remove-redundant-initialization-in-alloc_page_buffers fs/buffer.c
--- a/fs/buffer.c~fs-bufferc-remove-redundant-initialization-in-alloc_page_buffers
+++ a/fs/buffer.c
@@ -849,13 +849,10 @@ try_again:
if (!bh)
goto no_grow;
- bh->b_bdev = NULL;
bh->b_this_page = head;
bh->b_blocknr = -1;
head = bh;
- bh->b_state = 0;
- atomic_set(&bh->b_count, 0);
bh->b_size = size;
/* Link the buffer to its page */
_
Patches currently in -mm which might be from clouds.yan@xxxxxxxxx are
linux-next.patch
fs-block_devc-need-not-to-check-inode-i_bdev-in-bd_forget.patch
writeback-fix-a-typo-in-comment.patch
fs-bufferc-do-not-inline-exported-function.patch
fs-bufferc-remove-redundant-initialization-in-alloc_page_buffers.patch
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