diff options
Diffstat (limited to 'tests')
| -rwxr-xr-x | tests/btrfs/293 | 72 | ||||
| -rw-r--r-- | tests/btrfs/293.out | 17 |
2 files changed, 89 insertions, 0 deletions
diff --git a/tests/btrfs/293 b/tests/btrfs/293 new file mode 100755 index 00000000..f51d40dd --- /dev/null +++ b/tests/btrfs/293 @@ -0,0 +1,72 @@ +#! /bin/bash +# SPDX-License-Identifier: GPL-2.0 +# Copyright (C) 2023 SUSE Linux Products GmbH. All Rights Reserved. +# +# FS QA Test No. 293 +# +# Test that if we have a subvolume with a non-active swap file, we can not +# activate it if there are any snapshots. Also test that after all the snapshots +# are removed, we will be able to activate the swapfile. +# +. ./common/preamble +_begin_fstest auto quick swap snapshot + +_cleanup() +{ + cd / + rm -f $tmp.* + test -n "$swap_file" && swapoff $swap_file &> /dev/null +} + +. ./common/filter + +_supported_fs btrfs +_fixed_by_kernel_commit deccae40e4b3 \ + "btrfs: can_nocow_file_extent should pass down args->strict from callers" +_require_scratch_swapfile + +_scratch_mkfs >> $seqres.full 2>&1 +_scratch_mount + +swap_file="$SCRATCH_MNT/swapfile" +_format_swapfile $swap_file $(($(get_page_size) * 64)) >> $seqres.full + +echo "Creating first snapshot..." +$BTRFS_UTIL_PROG subvolume snapshot -r $SCRATCH_MNT $SCRATCH_MNT/snap1 | _filter_scratch +echo "Creating second snapshot..." +$BTRFS_UTIL_PROG subvolume snapshot $SCRATCH_MNT $SCRATCH_MNT/snap2 | _filter_scratch + +echo "Activating swap file... (should fail due to snapshots)" +_swapon_file $swap_file 2>&1 | _filter_scratch + +echo "Deleting first snapshot..." +$BTRFS_UTIL_PROG subvolume delete -c $SCRATCH_MNT/snap1 | _filter_scratch + +# We deleted the snapshot and committed the transaction used to delete it (-c), +# but all its extents are actually only deleted in the background, by the cleaner +# kthread. So remount, which wakes up the cleaner kthread, with a commit interval +# of 1 second and sleep for 1.1 seconds - after this we are guaranteed all +# extents of the snapshot were deleted. +echo "Remounting and waiting for cleaner thread to remove the first snapshot..." +_scratch_remount commit=1 +sleep 1.2 + +echo "Activating swap file... (should fail due to snapshot)" +_swapon_file $swap_file 2>&1 | _filter_scratch + +echo "Deleting second snapshot..." +$BTRFS_UTIL_PROG subvolume delete -c $SCRATCH_MNT/snap2 | _filter_scratch + +echo "Remounting and waiting for cleaner thread to remove the second snapshot..." +_scratch_remount commit=1 +sleep 1.2 + +# No more snapshots, we should be able to activate the swap file. +echo "Activating swap file..." +_swapon_file $swap_file +echo "Disabling swap file..." +swapoff $swap_file + +# success, all done +status=0 +exit diff --git a/tests/btrfs/293.out b/tests/btrfs/293.out new file mode 100644 index 00000000..2ac16632 --- /dev/null +++ b/tests/btrfs/293.out @@ -0,0 +1,17 @@ +QA output created by 293 +Creating first snapshot... +Create a readonly snapshot of 'SCRATCH_MNT' in 'SCRATCH_MNT/snap1' +Creating second snapshot... +Create a snapshot of 'SCRATCH_MNT' in 'SCRATCH_MNT/snap2' +Activating swap file... (should fail due to snapshots) +swapon: SCRATCH_MNT/swapfile: swapon failed: Invalid argument +Deleting first snapshot... +Delete subvolume (commit): 'SCRATCH_MNT/snap1' +Remounting and waiting for cleaner thread to remove the first snapshot... +Activating swap file... (should fail due to snapshot) +swapon: SCRATCH_MNT/swapfile: swapon failed: Invalid argument +Deleting second snapshot... +Delete subvolume (commit): 'SCRATCH_MNT/snap2' +Remounting and waiting for cleaner thread to remove the second snapshot... +Activating swap file... +Disabling swap file... |