[PATCH 4/7] xfs: filter out mount options that don't work on v4 filesystems

["Darrick J. Wong" <darrick.wong@oracle.com>]

From: Darrick J. Wong <darrick.wong@oracle.com>

A few tests require v4 filesystems and enforce this by disabling crc's
in the _scratch_mkfs call.  However, if the user specified MOUNT_OPTIONS
that only work with v5 filesystems, these tests fail.  Filter out
incompatible mount options that don't work on v4, such as simultaneous
group/project quota.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
---
 common/xfs    |   23 +++++++++++++++++++++++
 tests/xfs/002 |    2 ++
 tests/xfs/194 |    2 ++
 tests/xfs/199 |    2 ++
 4 files changed, 29 insertions(+)


diff --git a/common/xfs b/common/xfs
index 5b632df1..33d819d7 100644
--- a/common/xfs
+++ b/common/xfs
@@ -780,3 +780,26 @@ _scratch_get_bmx_prefix() {
 	_scratch_xfs_db -c "inode ${ino}" -c 'p' >> $seqres.full
 	return 1
 }
+
+#
+# Ensures that we don't pass any mount options incompatible with XFS v4
+#
+_filter_xfsv4_mount_options()
+{
+	local gquota=0
+	local pquota=0
+
+	# Can't have group and project quotas in XFS v4
+	echo "$MOUNT_OPTIONS" | egrep -q "(gquota|grpquota|grpjquota=|gqnoenforce)" && gquota=1
+	echo "$MOUNT_OPTIONS" | egrep -q "(\bpquota|prjquota|pqnoenforce)" && pquota=1
+
+	if [ $gquota -gt 0 ] && [ $pquota -gt 0 ]; then
+		export MOUNT_OPTIONS=$(echo $MOUNT_OPTIONS \
+			| sed   -e 's/gquota/QUOTA/g'      \
+				-e 's/grpquota/QUOTA/g'    \
+				-e 's/grpjquota=[^, ]/QUOTA/g' \
+				-e 's/gqnoenforce/QUOTA/g' \
+				-e "s/QUOTA/defaults/g")
+	fi
+	echo "MOUNT_OPTIONS = $MOUNT_OPTIONS" >>$seqres.full
+}
diff --git a/tests/xfs/002 b/tests/xfs/002
index bd1c0a7a..f987575c 100755
--- a/tests/xfs/002
+++ b/tests/xfs/002
@@ -45,6 +45,8 @@ rm -f $seqres.full
 
 _scratch_mkfs_xfs -m crc=0 -d size=128m >> $seqres.full 2>&1 || _fail "mkfs failed"
 
+_filter_xfsv4_mount_options
+
 # Scribble past a couple V4 secondary superblocks to populate sb_crc
 # (We can't write to the structure member because it doesn't exist
 # on a v4 superblock, so we use the data type & "write fill")
diff --git a/tests/xfs/194 b/tests/xfs/194
index 6c1eddba..09a3840d 100755
--- a/tests/xfs/194
+++ b/tests/xfs/194
@@ -74,6 +74,8 @@ _require_scratch
 unset MKFS_OPTIONS
 unset XFS_MKFS_OPTIONS
 
+_filter_xfsv4_mount_options
+
 # we need 512 byte block size, so crc's are turned off
 _scratch_mkfs_xfs -m crc=0 -b size=$blksize >/dev/null 2>&1
 _scratch_mount
diff --git a/tests/xfs/199 b/tests/xfs/199
index dd909b09..54fe54fe 100755
--- a/tests/xfs/199
+++ b/tests/xfs/199
@@ -34,6 +34,8 @@ _supported_os Linux
 
 _require_scratch
 
+_filter_xfsv4_mount_options
+
 # clear any mkfs options so that we can directly specify the options we need to
 # be able to test the features bitmask behaviour correctly.
 MKFS_OPTIONS=