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xfs: kill XBF_LOCK

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Buffers are always returned locked from the lookup routines. Hence
we don't need to tell the lookup routines to return locked buffers,
on to try and lock them. Remove XBF_LOCK from all the callers and
from internal buffer cache usage.

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 15:58:54 +10:00
committed by Ben Myers
parent 795cac72e9
commit a8acad7073
11 changed files with 29 additions and 49 deletions
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3
fs/xfs/xfs_ialloc.c
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@ -200,8 +200,7 @@ xfs_ialloc_inode_init(
*/
d = XFS_AGB_TO_DADDR(mp, agno, agbno + (j * blks_per_cluster));
fbuf = xfs_trans_get_buf(tp, mp->m_ddev_targp, d,
mp->m_bsize * blks_per_cluster,
XBF_LOCK);
mp->m_bsize * blks_per_cluster, 0);
if (!fbuf)
return ENOMEM;
/*