[PATCH 04/16] xfs: add a zoned growfs test

[Christoph Hellwig <hch@lst.de>]

Zoned file systems require zone aligned RT volume sizes.  Because of
that xfs/596 won't work as-is.  Copy it and test two zone capacity
aligned values.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: "Darrick J. Wong" <djwong@kernel.org>
---
 tests/xfs/4202     | 78 ++++++++++++++++++++++++++++++++++++++++++++++
 tests/xfs/4202.out | 11 +++++++
 2 files changed, 89 insertions(+)
 create mode 100755 tests/xfs/4202
 create mode 100644 tests/xfs/4202.out

diff --git a/tests/xfs/4202 b/tests/xfs/4202
new file mode 100755
index 000000000000..461827a14522
--- /dev/null
+++ b/tests/xfs/4202
@@ -0,0 +1,78 @@
+#! /bin/bash
+# SPDX-License-Identifier: GPL-2.0
+# Copyright (c) 2000-2002 Silicon Graphics, Inc.  All Rights Reserved.
+# Copyright (c) 2024 Christoph Hellwig
+#
+# FS QA Test No. 4202
+#
+# growfs QA tests - repeatedly fill/grow the rt volume of the filesystem check
+# the filesystem contents after each operation.  This is the zoned equivalent of
+# xfs/596
+#
+. ./common/preamble
+_begin_fstest growfs ioctl auto zone
+
+_cleanup()
+{
+	rm -f $tmp.*
+}
+
+. ./common/filter
+. ./common/zoned
+
+_require_scratch
+_require_realtime
+_require_no_large_scratch_dev
+
+zone_capacity=$(_zone_capacity 0 $SCRATCH_RTDEV)
+
+fill_fs()
+{
+    if [ $# -ne 1 ]; then echo "Usage: fill_fs \"path\"" 1>&2 ; exit 1; fi
+    _do "Fill filesystem" \
+	"$here/src/fill2fs --verbose --dir=$1 --seed=0 --filesize=65536 --stddev=32768 --list=- >>$tmp.manifest"
+}
+
+_do_die_on_error=message_only
+rtsize=$zone_capacity
+echo -n "Make rt filesystem on SCRATCH_DEV and mount... "
+_scratch_mkfs_xfs -r size=${rtsize} | \
+	_filter_mkfs 2> "$tmp.mkfs" >> $seqres.full
+
+# for $dbsize
+. $tmp.mkfs
+
+_scratch_mount
+_require_xfs_scratch_zoned
+
+# We're growing the realtime device, so force new file creation there
+_xfs_force_bdev realtime $SCRATCH_MNT
+
+echo "done"
+
+#
+# Zone RT devices can only grow by entire zones.
+# Do that twice.  The high starting code looks weird, but is neededed
+# due to the automatically added OP
+#
+for size in $(( 6 * $zone_capacity )) $(( 7 * $zone_capacity )); do
+    grow_size=$(( $size / $dbsize ))
+    fill_fs $SCRATCH_MNT/fill_$size
+    _do "Grow filesystem" "xfs_growfs -R $grow_size $SCRATCH_MNT"
+    echo -n "Flush filesystem... "
+    _do "_scratch_unmount"
+    _do "_try_scratch_mount"
+    echo "done"
+    echo -n "Check files... "
+    if ! _do "$here/src/fill2fs_check $tmp.manifest"; then
+      echo "fail (see $seqres.full)"
+      _do "cat $tmp.manifest"
+      _do "ls -altrR $SCRATCH_MNT"
+      status=1 ; exit
+    fi
+    echo "done"
+done
+
+# success, all done
+echo "Growfs tests passed."
+status=0 ; exit
diff --git a/tests/xfs/4202.out b/tests/xfs/4202.out
new file mode 100644
index 000000000000..66cab6aba8e2
--- /dev/null
+++ b/tests/xfs/4202.out
@@ -0,0 +1,11 @@
+QA output created by 4202
+Make rt filesystem on SCRATCH_DEV and mount... done
+Fill filesystem... done
+Grow filesystem... done
+Flush filesystem... done
+Check files... done
+Fill filesystem... done
+Grow filesystem... done
+Flush filesystem... done
+Check files... done
+Growfs tests passed.
-- 
2.47.2