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@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 0 insertions, 3 deletions

diff --git a/fs/buffer.c b/fs/buffer.c
index 9083e528e3c9..c017a2dfb909 100644
--- a/fs/buffer.c
+++ b/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 */