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xfs: flush data dev on external log write 

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
View File

@ -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);
}