From: Tim Shimmin <tes@sgi.com>
Date: Tue, 14 Oct 2008 14:58:57 +0000 (+0000)
Subject: test out a remount bug where ro->rw doesn't update xfs flag and thinks it is
X-Git-Tag: v1.1.0~355
X-Git-Url: http://git.apps.os.sepia.ceph.com/?a=commitdiff_plain;h=e32c0657c04a85cfc910310b5709af1013816784;p=xfstests-dev.git

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.
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.
---

diff --git a/189 b/189
index 764664a5..02b274ab 100644
--- a/189
+++ b/189
@@ -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"