luck/tmp_suning_uos_patched
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xfs: use kmem_zone_zalloc for buffers

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To replace the alloc/memset pair.

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Mark Tinguely <tinguely@sgi.com>
Signed-off-by: Ben Myers <bpm@sgi.com>
This commit is contained in:
Dave Chinner 2012-04-23 15:58:48 +10:00 committed by Ben Myers
parent ead360c50d
commit bf813cdddf
1 changed files with 1 additions and 2 deletions
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3
fs/xfs/xfs_buf.c
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@ -178,7 +178,7 @@ xfs_buf_alloc(
{
struct xfs_buf *bp;
bp = kmem_zone_alloc(xfs_buf_zone, xb_to_km(flags));
bp = kmem_zone_zalloc(xfs_buf_zone, xb_to_km(flags));
if (unlikely(!bp))
return NULL;
@ -187,7 +187,6 @@ xfs_buf_alloc(
*/
flags &= ~(XBF_LOCK|XBF_MAPPED|XBF_DONT_BLOCK|XBF_READ_AHEAD);
memset(bp, 0, sizeof(xfs_buf_t));
atomic_set(&bp->b_hold, 1);
atomic_set(&bp->b_lru_ref, 1);
init_completion(&bp->b_iowait);