| #! /bin/bash |
| # SPDX-License-Identifier: GPL-2.0 |
| # Copyright (c) 2014 Fujitsu. All Rights Reserved. |
| # |
| # FS QA Test No. btrfs/049 |
| # |
| # Regression test for btrfs inode caching vs tree log which was |
| # addressed by the following kernel patch. |
| # |
| # Btrfs: fix inode caching vs tree log |
| # |
| seq=`basename $0` |
| seqres=$RESULT_DIR/$seq |
| echo "QA output created by $seq" |
| |
| here=`pwd` |
| tmp=/tmp/$$ |
| |
| status=1 # failure is the default! |
| trap "_cleanup; exit \$status" 0 1 2 3 15 |
| |
| _cleanup() |
| { |
| _cleanup_flakey |
| rm -rf $tmp |
| } |
| |
| # get standard environment, filters and checks |
| . ./common/rc |
| . ./common/filter |
| . ./common/dmflakey |
| |
| # real QA test starts here |
| _supported_fs btrfs |
| _require_scratch |
| _require_dm_target flakey |
| |
| rm -f $seqres.full |
| |
| _scratch_mkfs >> $seqres.full 2>&1 |
| |
| SAVE_MOUNT_OPTIONS="$MOUNT_OPTIONS" |
| MOUNT_OPTIONS="$MOUNT_OPTIONS -o inode_cache,commit=100" |
| |
| # create a basic flakey device that will never error out |
| _init_flakey |
| _mount_flakey |
| |
| _get_inode_id() |
| { |
| local inode_id |
| inode_id=`stat $1 | grep Inode: | $AWK_PROG '{print $4}'` |
| echo $inode_id |
| } |
| |
| $XFS_IO_PROG -f -c "pwrite 0 10M" -c "fsync" \ |
| $SCRATCH_MNT/data >& /dev/null |
| |
| inode_id=`_get_inode_id "$SCRATCH_MNT/data"` |
| rm -f $SCRATCH_MNT/data |
| |
| for i in `seq 1 5`; |
| do |
| mkdir $SCRATCH_MNT/dir_$i |
| new_inode_id=`_get_inode_id $SCRATCH_MNT/dir_$i` |
| if [ $new_inode_id -eq $inode_id ] |
| then |
| $XFS_IO_PROG -f -c "pwrite 0 1M" -c "fsync" \ |
| $SCRATCH_MNT/dir_$i/data1 >& /dev/null |
| _load_flakey_table 1 |
| _unmount_flakey |
| need_umount=1 |
| break |
| fi |
| sleep 1 |
| done |
| |
| # restore previous mount options |
| export MOUNT_OPTIONS="$SAVE_MOUNT_OPTIONS" |
| |
| # ok mount so that any recovery that needs to happen is done |
| if [ $new_inode_id -eq $inode_id ];then |
| _load_flakey_table $FLAKEY_ALLOW_WRITES |
| _mount_flakey |
| _unmount_flakey |
| fi |
| |
| # make sure we got a valid fs after replay |
| _check_scratch_fs $FLAKEY_DEV |
| |
| status=0 |
| exit |