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test out a remount bug where ro->rw doesn't update xfs flag and thinks it is

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still readonly. Test using touch.
Code provided by Christoph Hellwig.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Merge of master-melb:xfs-cmds:32320a by kenmcd.

  test out a remount bug where ro->rw doesn't update xfs flag and thinks it is
  still readonly. Test using touch.
  Code provided by Christoph Hellwig.
This commit is contained in:
Tim Shimmin
2008-10-14 14:58:57 +00:00
parent 6256598a6a
commit e32c0657c0
1 changed files with 29 additions and 0 deletions
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@@ -90,6 +90,34 @@ _test_remount_rw()
umount $SCRATCH_MNT
}
#
# make sure we really can write to a filesystem after remount,rw
#
_test_remount_write()
{
echo
echo "try touching file after remount ro -> rw with options"
echo
_scratch_mount
[ $? -eq 0 ] || echo "mount (1) failed unexpectedly"
touch $SCRATCH_MNT/foobar
[ $? -eq 0 ] || echo "touch (1) failed unexpectedly"
umount $SCRATCH_MNT
_scratch_mount -o ro
[ $? -eq 0 ] || echo "mount (2) failed unexpectedly"
_mount -o remount,rw,filestreams $SCRATCH_MNT
[ $? -eq 0 ] || echo "remount failed unexpectedly"
touch $SCRATCH_MNT/foobar
[ $? -eq 0 ] || echo "touch (2) failed unexpectedly"
umount $SCRATCH_MNT
}
#
# barrier is the only option we can change besides ro<->rw which is partially
# handled by the VFS and tested elsewhere. Make sure mount accepts going
@@ -167,6 +195,7 @@ _scratch_mkfs_xfs | _filter_mkfs 2>/dev/null
_add_scratch_fstab
_test_remount_rw
_test_remount_write
echo
echo "add noikeep to fstab for scratch"