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xfs: flush data dev on external log write

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We incorrectly flush the log device instead of the data device when
trying to ensure metadata is correctly on disk before writing the
unmount record.

Fixes: eef983ffea ("xfs: journal IO cache flush reductions")
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
This commit is contained in:
Dave Chinner 2021-07-27 16:23:46 -07:00 committed by Darrick J. Wong
parent b102a46ce1
commit b1e27239b9
1 changed files with 1 additions and 1 deletions
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2
fs/xfs/xfs_log.c
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@ -833,7 +833,7 @@ xlog_write_unmount_record(
* stamp the tail LSN into the unmount record.
*/
if (log->l_targ != log->l_mp->m_ddev_targp)
blkdev_issue_flush(log->l_targ->bt_bdev);
blkdev_issue_flush(log->l_mp->m_ddev_targp->bt_bdev);
return xlog_write(log, &vec, ticket, NULL, NULL, XLOG_UNMOUNT_TRANS);
}