mirror of
https://github.com/linux-apfs/apfstests.git
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Darrick J. Wong
0bfb84110b
Add a leading underscore to the get_block_size helper since it's a common function. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Eryu Guan <eguan@redhat.com> Signed-off-by: Eryu Guan <eguan@redhat.com>
132 lines
4.2 KiB
Bash
Executable File
132 lines
4.2 KiB
Bash
Executable File
#! /bin/bash
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# FS QA Test No. 012
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#
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# Test btrfs-convert
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#
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# 1) create ext4 filesystem & populate it
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# 2) convert it to btrfs, mount it, verify contents
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# 3) verify archived ext4 image integriy & contents
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# 4) populate btrfs fs with new data
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# 5) roll back conversion to original ext4
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# 6) verify rolled-back fs integrity & contents
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#
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#-----------------------------------------------------------------------
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# Copyright (c) 2013 Red Hat, Inc. All Rights Reserved.
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License as
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# published by the Free Software Foundation.
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#
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# This program is distributed in the hope that it would be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write the Free Software Foundation,
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# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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#-----------------------------------------------------------------------
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#
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seq=`basename $0`
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seqres=$RESULT_DIR/$seq
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echo "== QA output created by $seq"
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here=`pwd`
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tmp=/tmp/$$
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status=1 # failure is the default!
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trap "_cleanup; exit \$status" 0 1 2 3 15
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_cleanup()
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{
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cd /
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rm -f $tmp.*
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}
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# get standard environment, filters and checks
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. ./common/rc
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. ./common/filter.btrfs
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# real QA test starts here
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# Modify as appropriate.
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_supported_fs btrfs
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_supported_os Linux
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_require_scratch_nocheck
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BTRFS_CONVERT_PROG="`set_prog_path btrfs-convert`"
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E2FSCK_PROG="`set_prog_path e2fsck`"
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_require_command "$BTRFS_CONVERT_PROG" btrfs-convert
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_require_command "$MKFS_EXT4_PROG" mkfs.ext4
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_require_command "$E2FSCK_PROG" e2fsck
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rm -f $seqres.full
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BLOCK_SIZE=`_get_block_size $TEST_DIR`
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# Create & populate an ext4 filesystem
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$MKFS_EXT4_PROG -F -b $BLOCK_SIZE $SCRATCH_DEV > $seqres.full 2>&1 || \
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_notrun "Could not create ext4 filesystem"
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# Manual mount so we don't use -t btrfs or selinux context
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mount -t ext4 $SCRATCH_DEV $SCRATCH_MNT
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cp -aR /lib/modules/`uname -r`/ $SCRATCH_MNT
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_scratch_unmount
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# Convert it to btrfs, mount it, verify the data
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$BTRFS_CONVERT_PROG $SCRATCH_DEV >> $seqres.full 2>&1 || \
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_fail "btrfs-convert failed"
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_scratch_mount || _fail "Could not mount new btrfs fs"
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# (Ignore the symlinks which may be broken/nonexistent)
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diff -r /lib/modules/`uname -r`/ $SCRATCH_MNT/`uname -r`/ 2>&1 | grep -vw "source\|build"
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# Old ext4 image file should exist & be consistent
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$E2FSCK_PROG -fn $SCRATCH_MNT/ext2_saved/image >> $seqres.full 2>&1 || \
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_fail "archived ext4 image is corrupt"
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# And the files in that image should match
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mkdir -p $SCRATCH_MNT/mnt
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mount -o loop $SCRATCH_MNT/ext2_saved/image $SCRATCH_MNT/mnt || \
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_fail "could not loop mount saved ext4 image"
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# Ignore the symlinks which may be broken/nonexistent
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diff -r /lib/modules/`uname -r`/ $SCRATCH_MNT/mnt/`uname -r`/ 2>&1 | grep -vw "source\|build"
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umount $SCRATCH_MNT/mnt
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# Now put some fresh data on the btrfs fs
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mkdir -p $SCRATCH_MNT/new
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cp -aR /lib/modules/`uname -r`/ $SCRATCH_MNT/new
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_scratch_unmount
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# Now restore the ext4 device
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$BTRFS_CONVERT_PROG -r $SCRATCH_DEV >> $seqres.full 2>&1 || \
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_fail "btrfs-convert rollback failed"
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# Check it again
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$E2FSCK_PROG -fn $SCRATCH_DEV >> $seqres.full 2>&1 || \
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_fail "restored ext4 image is corrupt"
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# Mount the un-converted ext4 device & check the contents
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mount -t ext4 $SCRATCH_DEV $SCRATCH_MNT
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# (Ignore the symlinks which may be broken/nonexistent)
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diff -r /lib/modules/`uname -r`/ $SCRATCH_MNT/`uname -r`/ 2>&1 | grep -vw "source\|build"
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_scratch_unmount
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# Convert it to btrfs, mount it and delete "ext2_saved"
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$BTRFS_CONVERT_PROG $SCRATCH_DEV >> $seqres.full 2>&1 || \
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_fail "btrfs-convert failed"
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_scratch_mount || _fail "Could not mount new btrfs fs"
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$BTRFS_UTIL_PROG subvolume delete $SCRATCH_MNT/ext2_saved >> $seqres.full 2>&1 ||
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_fail "failed to delete ext2_saved subvolume"
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_scratch_unmount
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# Now restore the ext4 device, expecting a failure
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$BTRFS_CONVERT_PROG -r $SCRATCH_DEV >> $seqres.full 2>&1
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[ $? -eq 1 ] || _fail "Failure is expected, but btrfs-convert returns with rollback complete"
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# success, all done
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status=0
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exit
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