4 # Ensure that we don't leak inodes when CoW recovery fails.
6 # Use xfs_fsr to inject bmap redo items in the log for a linked file and
7 # an unlinked file; and then corrupt the refcount btree to ensure that
8 # the CoW garbage collection (and therefore the mount) fail.
10 # On a subsequent mount attempt, we should be able to replay the bmap
11 # items for the linked and unlinked files without prematurely truncating
12 # the unlinked inode and without leaking the linked inode, and we should
13 # be able to release all the inodes when we're aborting the mount.
15 #-----------------------------------------------------------------------
16 # Copyright (c) 2017, Oracle and/or its affiliates. All Rights Reserved.
18 # This program is free software; you can redistribute it and/or
19 # modify it under the terms of the GNU General Public License as
20 # published by the Free Software Foundation.
22 # This program is distributed in the hope that it would be useful,
23 # but WITHOUT ANY WARRANTY; without even the implied warranty of
24 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
25 # GNU General Public License for more details.
27 # You should have received a copy of the GNU General Public License
28 # along with this program; if not, write the Free Software Foundation,
29 # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
30 #-----------------------------------------------------------------------
33 seqres="$RESULT_DIR/$seq"
34 echo "QA output created by $seq"
38 status=1 # failure is the default!
39 trap "_cleanup; exit \$status" 0 1 2 3 15
47 # get standard environment, filters and checks
55 # real QA test starts here
58 _require_loadable_fs_module "xfs"
59 _require_scratch_reflink
61 _require_command "$XFS_FSR_PROG" "xfs_fsr"
62 _require_xfs_io_error_injection "bmap_finish_one"
63 _require_xfs_scratch_rmapbt
67 echo "Format and mount"
68 _scratch_mkfs > "$seqres.full" 2>&1
69 _scratch_mount -o noquota >> "$seqres.full" 2>&1
71 testdir="$SCRATCH_MNT/test-$seq"
76 echo "Create a many-block file"
77 _pwrite_byte 0x62 0 $((blksz * blks)) $testdir/file1 >> $seqres.full
78 _pwrite_byte 0x63 0 $blksz $testdir/file2 >> $seqres.full
79 _reflink_range $testdir/file2 0 $testdir/file1 $blksz $blksz >> $seqres.full
80 _scratch_cycle_mount noquota
83 _scratch_inject_error "bmap_finish_one"
85 echo "Defrag the file"
86 $XFS_FSR_PROG -v -d $testdir/file1 >> $seqres.full 2>&1
88 echo "FS should be shut down, touch will fail"
89 touch $SCRATCH_MNT/badfs 2>&1 | _filter_scratch
91 echo "Remount to replay log" | tee /dev/ttyprintk
93 _scratch_dump_log >> $seqres.full
94 _scratch_xfs_db -x -c 'agf 0' -c 'addr refcntroot' -c 'fuzz -d recs[1].startblock ones' >> $seqres.full
95 _scratch_xfs_db -x -c 'agf 0' -c 'addr refcntroot' -c p >> $seqres.full
96 _scratch_mount -o noquota >> $seqres.full 2>&1
97 _scratch_unmount 2> /dev/null
98 rm -f ${RESULT_DIR}/require_scratch
100 echo "See if we leak"
101 _reload_fs_module "xfs"