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#! /bin/bash
# SPDX-License-Identifier: GPL-2.0-or-later
# Copyright (c) 2021 Oracle. All Rights Reserved.
#
# FS QA Test No. 150
#
# Make sure the xfs_db path command works the way the author thinks it does.
# This means that it can navigate to random inodes, fails on paths that don't
# resolve.
#
. ./common/preamble
_begin_fstest auto quick db
# Import common functions.
. ./common/filter
# real QA test starts here
_supported_fs xfs
_require_xfs_db_command "path"
_require_scratch
echo "Format filesystem and populate"
_scratch_mkfs > $seqres.full
_scratch_mount >> $seqres.full
mkdir $SCRATCH_MNT/a
mkdir $SCRATCH_MNT/a/b
$XFS_IO_PROG -f -c 'pwrite 0 61' $SCRATCH_MNT/a/c >> $seqres.full
ln -s -f c $SCRATCH_MNT/a/d
mknod $SCRATCH_MNT/a/e b 8 0
ln -s -f b $SCRATCH_MNT/a/f
_scratch_unmount
echo "Check xfs_db path on directories"
_scratch_xfs_db -c 'path /a' -c print | grep -q 'sfdir.*count.* 5$' || \
echo "Did not find directory /a"
_scratch_xfs_db -c 'path /a/b' -c print | grep -q sfdir || \
echo "Did not find empty sf directory /a/b"
echo "Check xfs_db path on files"
_scratch_xfs_db -c 'path /a/c' -c print | grep -q 'core.size.*61' || \
echo "Did not find 61-byte file /a/c"
echo "Check xfs_db path on file symlinks"
_scratch_xfs_db -c 'path /a/d' -c print | grep -q symlink || \
echo "Did not find symlink /a/d"
echo "Check xfs_db path on bdevs"
_scratch_xfs_db -c 'path /a/e' -c print | grep -q 'format.*dev' || \
echo "Did not find bdev /a/e"
echo "Check xfs_db path on dir symlinks"
_scratch_xfs_db -c 'path /a/f' -c print | grep -q symlink || \
echo "Did not find symlink /a/f"
echo "Check nonexistent path"
_scratch_xfs_db -c 'path /does/not/exist'
echo "Check xfs_db path on file path with multiple slashes"
_scratch_xfs_db -c 'path /a////////c' -c print | grep -q 'core.size.*61' || \
echo "Did not find 61-byte file /a////////c"
echo "Check xfs_db path on file path going in and out of /a to get to /a/c"
_scratch_xfs_db -c 'path /a/.././a/.././a/c' -c print | grep -q 'core.size.*61' || \
echo "Did not find 61-byte file /a/.././a/.././a/c"
echo "Check xfs_db path on file path going above the root to get to /a/c"
_scratch_xfs_db -c 'path /../../../a/c' -c print | grep -q 'core.size.*61' || \
echo "Did not find 61-byte file /../../../a/c"
echo "Check xfs_db path on file path going to then above the root to get to /a/c"
_scratch_xfs_db -c 'path /a/../../../a/c' -c print | grep -q 'core.size.*61' || \
echo "Did not find 61-byte file /a/../../../a/c"
echo "Check xfs_db path component that isn't a directory"
_scratch_xfs_db -c 'path /a/c/b' -c print
echo "Check xfs_db path on a dot-dot applied to a non-directory"
_scratch_xfs_db -c 'path /a/c/../b' -c print
# success, all done
status=0
exit
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