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+#! /bin/bash
+# SPDX-License-Identifier: GPL-2.0
+# Copyright (c) 2025 Oracle, Inc. All Rights Reserved.
+#
+# FS QA Test No. 1895
+#
+# Populate a XFS filesystem, ensure that rdump can "recover" the contents to
+# another directory, and compare the contents.
+#
+. ./common/preamble
+_begin_fstest auto scrub
+
+_cleanup()
+{
+ command -v _kill_fsstress &>/dev/null && _kill_fsstress
+ cd /
+ test -e "$testfiles" && rm -r -f $testfiles
+}
+
+_register_cleanup "_cleanup" BUS
+
+# Import common functions.
+. ./common/filter
+. ./common/populate
+. ./common/fuzzy
+
+_require_xfs_db_command "rdump"
+_require_test
+_require_scratch
+_require_scrub
+_require_populate_commands
+
+make_md5()
+{
+ (cd $1 ; find . -type f -print0 | xargs -0 md5sum) > $tmp.md5.$2
+}
+
+cmp_md5()
+{
+ (cd $1 ; md5sum --quiet -c $tmp.md5.$2)
+}
+
+make_stat()
+{
+ # columns: raw mode in hex,
+ # major rdev for special
+ # minor rdev for special
+ # uid of owner
+ # gid of owner
+ # file type
+ # total size
+ # mtime
+ # name
+ # We can't directly control directory sizes so filter them.
+ # Too many things can bump (or not) atime so don't test that.
+ (cd $1 ; find . -print0 |
+ xargs -0 stat -c '%f %t:%T %u %g %F %s %Y %n' |
+ sed -e 's/ directory [1-9][0-9]* / directory SIZE /g' |
+ sort) > $tmp.stat.$2
+}
+
+cmp_stat()
+{
+ diff -u $tmp.stat.$1 $tmp.stat.$2
+}
+
+make_stat_files() {
+ for file in "${FILES[@]}"; do
+ find "$1/$file" -print0 | xargs -0 stat -c '%f %t:%T %u %g %F %s %Y %n'
+ done | sed \
+ -e 's/ directory [1-9][0-9]* / directory SIZE /g' \
+ -e "s| $1| DUMPDIR|g" \
+ | sort > $tmp.stat.files.$2
+}
+
+cmp_stat_files()
+{
+ diff -u $tmp.stat.files.$1 $tmp.stat.files.$2
+}
+
+make_stat_dir() {
+ find "$1" -print0 | \
+ xargs -0 stat -c '%f %t:%T %u %g %F %s %Y %n' | sed \
+ -e 's/ directory [1-9][0-9]* / directory SIZE /g' \
+ -e "s| $1| DUMPDIR|g" \
+ | sort > $tmp.stat.dir.$2
+}
+
+cmp_stat_dir()
+{
+ diff -u $tmp.stat.dir.$1 $tmp.stat.dir.$2
+}
+
+FILES=(
+ "/S_IFDIR.FMT_INLINE"
+ "/S_IFBLK"
+ "/S_IFCHR"
+ "/S_IFLNK.FMT_LOCAL"
+ "/S_IFIFO"
+ "/S_IFDIR.FMT_INLINE/00000001"
+ "/ATTR.FMT_EXTENTS_REMOTE3K"
+ "/S_IFREG.FMT_EXTENTS"
+ "/S_IFREG.FMT_BTREE"
+ "/BNOBT"
+ "/S_IFDIR.FMT_BLOCK"
+)
+DIR="/S_IFDIR.FMT_LEAF"
+
+testfiles=$TEST_DIR/$seq
+mkdir -p $testfiles
+
+echo "Format and populate"
+_scratch_populate_cached nofill > $seqres.full 2>&1
+_scratch_mount
+
+_run_fsstress -n 500 -d $SCRATCH_MNT/newfiles
+
+make_stat $SCRATCH_MNT before
+make_md5 $SCRATCH_MNT before
+make_stat_files $SCRATCH_MNT before
+make_stat_dir $SCRATCH_MNT/$DIR before
+_scratch_unmount
+
+echo "Recover filesystem"
+dumpdir1=$testfiles/rdump
+dumpdir2=$testfiles/sdump
+dumpdir3=$testfiles/tdump
+rm -r -f $dumpdir1 $dumpdir2 $dumpdir3
+
+# as of linux 6.12 fchownat does not work on symlinks
+_scratch_xfs_db -c "rdump / $dumpdir1" | sed -e '/could not be set/d'
+_scratch_xfs_db -c "rdump ${FILES[*]} $dumpdir2" | sed -e '/could not be set/d'
+_scratch_xfs_db -c "rdump $DIR $dumpdir3" | sed -e '/could not be set/d'
+
+echo "Check file contents"
+make_stat $dumpdir1 after
+cmp_stat before after
+cmp_md5 $dumpdir1 before
+
+echo "Check selected files contents"
+make_stat_files $dumpdir2 after
+cmp_stat_files before after
+
+echo "Check single dir extraction contents"
+make_stat_dir $dumpdir3 after
+cmp_stat_dir before after
+
+# remount so we can check this fs
+_scratch_mount
+
+# success, all done
+status=0
+exit
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+QA output created by 1895
+Format and populate
+Recover filesystem
+Check file contents
+Check selected files contents
+Check single dir extraction contents