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xfs: growfs should use synchronous transactions 

Growfs updates the secondary superblocks using synchronous unlogged
buffer writes after committing the updates to the primary superblock.

Mark the transaction to the primary superblock as synchronous so that
we guarantee it is committed to disk before we update the secondary
superblocks.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>
This commit is contained in:
Christoph Hellwig 2015-02-05 11:13:21 +11:00 committed by Dave Chinner
parent 9b94fcc398
commit f8079b850c
1 changed files with 1 additions and 0 deletions
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1
fs/xfs/xfs_fsops.c
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@ -488,6 +488,7 @@ xfs_growfs_data_private(
xfs_trans_mod_sb(tp, XFS_TRANS_SB_FDBLOCKS, nfree);
if (dpct)
xfs_trans_mod_sb(tp, XFS_TRANS_SB_IMAXPCT, dpct);
xfs_trans_set_sync(tp);
error = xfs_trans_commit(tp, 0);
if (error)
return error;