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Verify that it recognizes the device already mounted well by creating reflink across the subvolume mount points. Signed-off-by: Anand Jain Reviewed-by: Filipe Manana Signed-off-by: Anand Jain --- tests/btrfs/311 | 87 +++++++++++++++++++++++++++++++++++++++++++++ tests/btrfs/311.out | 24 +++++++++++++ 2 files changed, 111 insertions(+) create mode 100755 tests/btrfs/311 create mode 100644 tests/btrfs/311.out diff --git a/tests/btrfs/311 b/tests/btrfs/311 new file mode 100755 index 000000000000..7de8f0512489 --- /dev/null +++ b/tests/btrfs/311 @@ -0,0 +1,87 @@ +#! /bin/bash +# SPDX-License-Identifier: GPL-2.0 +# Copyright (c) 2024 Oracle. All Rights Reserved. +# +# FS QA Test 311 +# +# Mount the device twice check if the reflink works, this helps to +# ensure device is mounted as the same device. +# +. ./common/preamble +_begin_fstest auto quick subvol tempfsid + +# Override the default cleanup function. +_cleanup() +{ + cd / + $UMOUNT_PROG $mnt1 > /dev/null 2>&1 + rm -r -f $tmp.* + rm -r -f $mnt1 +} + +. ./common/filter.btrfs +. ./common/reflink + +# Modify as appropriate. +_supported_fs btrfs +_require_cp_reflink +_require_scratch +_require_btrfs_fs_feature temp_fsid + +mnt1=$TEST_DIR/$seq/mnt1 +mkdir -p $mnt1 + +same_dev_mount() +{ + echo ---- $FUNCNAME ---- + + _scratch_mkfs >> $seqres.full 2>&1 + + _scratch_mount + $XFS_IO_PROG -fc 'pwrite -S 0x61 0 9000' $SCRATCH_MNT/foo | \ + _filter_xfs_io + + echo Mount the device again to a different mount point + _mount $SCRATCH_DEV $mnt1 + + _cp_reflink $SCRATCH_MNT/foo $mnt1/bar + echo Checksum of reflinked files + md5sum $SCRATCH_MNT/foo | _filter_scratch + md5sum $mnt1/bar | _filter_test_dir + + check_fsid $SCRATCH_DEV +} + +same_dev_subvol_mount() +{ + echo ---- $FUNCNAME ---- + _scratch_mkfs >> $seqres.full 2>&1 + + _scratch_mount + $BTRFS_UTIL_PROG subvolume create $SCRATCH_MNT/subvol | _filter_scratch + + $XFS_IO_PROG -fc 'pwrite -S 0x61 0 9000' $SCRATCH_MNT/subvol/foo | \ + _filter_xfs_io + + echo Mounting a subvol + _mount -o subvol=subvol $SCRATCH_DEV $mnt1 + + _cp_reflink $SCRATCH_MNT/subvol/foo $mnt1/bar + echo Checksum of reflinked files + md5sum $SCRATCH_MNT/subvol/foo | _filter_scratch + md5sum $mnt1/bar | _filter_test_dir + + check_fsid $SCRATCH_DEV +} + +same_dev_mount + +_scratch_unmount +_cleanup +mkdir -p $mnt1 + +same_dev_subvol_mount + +# success, all done +status=0 +exit diff --git a/tests/btrfs/311.out b/tests/btrfs/311.out new file mode 100644 index 000000000000..4ea46eab3c72 --- /dev/null +++ b/tests/btrfs/311.out @@ -0,0 +1,24 @@ +QA output created by 311 +---- same_dev_mount ---- +wrote 9000/9000 bytes at offset 0 +XXX Bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) +Mount the device again to a different mount point +Checksum of reflinked files +42d69d1a6d333a7ebdf64792a555e392 SCRATCH_MNT/foo +42d69d1a6d333a7ebdf64792a555e392 TEST_DIR/311/mnt1/bar +On disk fsid: FSID +Metadata uuid: FSID +Temp fsid: FSID +Tempfsid status: 0 +---- same_dev_subvol_mount ---- +Create subvolume 'SCRATCH_MNT/subvol' +wrote 9000/9000 bytes at offset 0 +XXX Bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) +Mounting a subvol +Checksum of reflinked files +42d69d1a6d333a7ebdf64792a555e392 SCRATCH_MNT/subvol/foo +42d69d1a6d333a7ebdf64792a555e392 TEST_DIR/311/mnt1/bar +On disk fsid: FSID +Metadata uuid: FSID +Temp fsid: FSID +Tempfsid status: 0