xfs: stop using xfs_qm_dqtobp in xfs_qm_dqflush

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In xfs_qm_dqflush we know that q_blkno must be initialized already from a
previous xfs_qm_dqread.  So instead of calling xfs_qm_dqtobp we can
simply read the quota buffer directly.  This also saves us from a duplicate
xfs_qm_dqcheck call check and allows xfs_qm_dqtobp to be simplified now
that it is always called for a newly initialized inode.  In addition to
that properly unwind all locks in xfs_qm_dqflush when xfs_qm_dqcheck
fails.

This mirrors a similar cleanup in the inode lookup done earlier.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Alex Elder <aelder@sgi.com>

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Christoph Hellwig 2010-09-06 01:44:45 +00:00 • committed by Alex Elder

parent 52fda11424

commit acecf1b5d8

1 changed files with 76 additions and 88 deletions

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166

fs/xfs/quota/xfs_dquot.c

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