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xfs: kill xfs_read_buf()

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xfs_read_buf() is effectively the same as xfs_trans_read_buf() when called
outside a transaction context. The error handling is slightly different in that
xfs_read_buf stales the errored buffer it gets back, but there is probably good
reason for xfs_trans_read_buf() for doing this.

Hence update xfs_trans_read_buf() to the same error handling as xfs_read_buf(),
and convert all the callers of xfs_read_buf() to use the former function. We can
then remove xfs_read_buf().

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 15:58:55 +10:00
committed by Ben Myers
parent a8acad7073
commit 7ca790a507
6 changed files with 11 additions and 63 deletions
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4
fs/xfs/xfs_attr.c
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@@ -1987,8 +1987,8 @@ xfs_attr_rmtval_get(xfs_da_args_t *args)
(map[i].br_startblock != HOLESTARTBLOCK));
dblkno = XFS_FSB_TO_DADDR(mp, map[i].br_startblock);
blkcnt = XFS_FSB_TO_BB(mp, map[i].br_blockcount);
error = xfs_read_buf(mp, mp->m_ddev_targp, dblkno,
blkcnt, XBF_DONT_BLOCK, &bp);
error = xfs_trans_read_buf(mp, NULL, mp->m_ddev_targp,
dblkno, blkcnt, 0, &bp);
if (error)
return(error);