Test that files written back after closing are packed tightly instead of
using up open zone resources.
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
---
tests/xfs/4206 | 57 ++++++++++++++++++++++++++++++++++++++++++++++
tests/xfs/4206.out | 1 +
2 files changed, 58 insertions(+)
create mode 100755 tests/xfs/4206
create mode 100644 tests/xfs/4206.out
diff --git a/tests/xfs/4206 b/tests/xfs/4206
new file mode 100755
index 000000000000..63e6aebeaeec
--- /dev/null
+++ b/tests/xfs/4206
@@ -0,0 +1,57 @@
+#! /bin/bash
+# SPDX-License-Identifier: GPL-2.0
+# Copyright (c) 2024 Christoph Hellwig.
+#
+# FS QA Test No. 4206
+#
+# Test that data is packed tighly for writeback after the files were
+# closed.
+#
+. ./common/preamble
+_begin_fstest auto quick rw zone
+
+_cleanup()
+{
+ cd /
+ _scratch_unmount >/dev/null 2>&1
+}
+
+# Import common functions.
+. ./common/filter
+
+_require_scratch
+
+_filter_rgno()
+{
+ # the rg number is in column 4 of xfs_bmap output
+ perl -ne '
+ $rg = (split /\s+/)[4] ;
+ if ($rg =~ /\d+/) {print "$rg "} ;
+ '
+}
+
+_scratch_mkfs_xfs >>$seqres.full 2>&1
+_scratch_mount
+_require_xfs_scratch_zoned
+
+# Create a bunch of small files
+for i in `seq 1 100`; do
+ file=$SCRATCH_MNT/$i
+
+ $XFS_IO_PROG -f -c 'pwrite 0 8k' $file >>$seqres.full
+done
+
+sync
+
+# Check that all small files are placed together
+short_rg=`xfs_bmap -v $SCRATCH_MNT/1 | _filter_rgno`
+for i in `seq 2 100`; do
+ file=$SCRATCH_MNT/$i
+ rg=`xfs_bmap -v $file | _filter_rgno`
+ if [ "${rg}" != "${short_rg}" ]; then
+ echo "RG mismatch for file $i: $short_rg/$rg"
+ fi
+done
+
+status=0
+exit
diff --git a/tests/xfs/4206.out b/tests/xfs/4206.out
new file mode 100644
index 000000000000..4835b5053ae5
--- /dev/null
+++ b/tests/xfs/4206.out
@@ -0,0 +1 @@
+QA output created by 4206
--
2.47.2
