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generic: add new test for fsync() on directories
Btrfs had some issues with fsync()'ing directories and fsync()'ing after renames. These three new tests cover the 3 different issues we were seeing. This breaks out the dmflakey stuff into a common helper to be shared between generic/311 and this new test. Signed-off-by: Josef Bacik <jbacik@fusionio.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Dave Chinner <david@fromorbit.com>
This commit is contained in:
Josef Bacik
committed by
Dave Chinner
Dave Chinner
parent
bd50b75f7d
commit
640d1e1e16
@@ -0,0 +1,140 @@
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#! /bin/bash
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# FS QA Test No. 321
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#
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# Runs various dir fsync tests to cover fsync'ing directory corner cases.
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#
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#-----------------------------------------------------------------------
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# Copyright (c) 2013 Fusion IO. 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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status=1 # failure is the default!
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_cleanup()
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{
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_cleanup_flakey
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}
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trap "_cleanup; exit \$status" 0 1 2 3 15
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# get standard environment, filters and checks
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. ./common/rc
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. ./common/filter
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. ./common/dmflakey
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# real QA test starts here
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_supported_fs generic
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_supported_os Linux
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_need_to_be_root
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_require_scratch
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_require_dm_flakey
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rm -f $seqres.full
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_clean_working_dir()
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{
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_mount_flakey
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rm -rf $SCRATCH_MNT/*
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_unmount_flakey
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}
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# Btrfs wasn't making sure the directory survived fsync
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_directory_test()
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{
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echo "fsync new directory"
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_mount_flakey
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mkdir $SCRATCH_MNT/bar
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$XFS_IO_PROG -c "fsync" $SCRATCH_MNT/bar
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_load_flakey_table $FLAKEY_DROP_WRITES
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_unmount_flakey
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_load_flakey_table $FLAKEY_ALLOW_WRITES
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_mount_flakey
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_ls_l $SCRATCH_MNT | tail -n +2 | awk '{ print $1, $9 }'
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_unmount_flakey
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_check_scratch_fs $FLAKEY_DEV
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[ $? -ne 0 ] && _fatal "fsck failed"
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}
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# Btrfs was losing a rename into a new directory
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_rename_test()
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{
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echo "rename fsync test"
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_mount_flakey
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touch $SCRATCH_MNT/foo
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mkdir $SCRATCH_MNT/bar
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$XFS_IO_PROG -c "fsync" $SCRATCH_MNT/foo
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mv $SCRATCH_MNT/foo $SCRATCH_MNT/bar/foo
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$XFS_IO_PROG -c "fsync" $SCRATCH_MNT/bar
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$XFS_IO_PROG -c "fsync" $SCRATCH_MNT/bar/foo
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_load_flakey_table $FLAKEY_DROP_WRITES
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_unmount_flakey
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_load_flakey_table $FLAKEY_ALLOW_WRITES
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_mount_flakey
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_ls_l $SCRATCH_MNT | tail -n +2 | awk '{ print $1, $9 }'
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_ls_l $SCRATCH_MNT/bar | tail -n +2 | awk '{ print $1, $9 }'
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_unmount_flakey
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_check_scratch_fs $FLAKEY_DEV
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[ $? -ne 0 ] && _fatal "fsck failed"
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}
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# Btrfs was failing to replay a log when we had a inode with a smaller inode
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# number that is renamed into a directory with a higher inode number
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_replay_rename_test()
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{
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echo "replay rename fsync test"
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_mount_flakey
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touch $SCRATCH_MNT/foo
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mkdir $SCRATCH_MNT/bar
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$XFS_IO_PROG -c "fsync" $SCRATCH_MNT/foo
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mv $SCRATCH_MNT/foo $SCRATCH_MNT/bar/foo
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$XFS_IO_PROG -c "fsync" $SCRATCH_MNT/bar
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# This is to force btrfs to relog the entire inode including the ref so
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# we are sure to try and replay the ref along with the dir_index item
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setfattr -n user.foo -v blah $SCRATCH_MNT/bar/foo >> $seqres.full 2>&1
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$XFS_IO_PROG -c "fsync" $SCRATCH_MNT/bar/foo
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_load_flakey_table $FLAKEY_DROP_WRITES
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_unmount_flakey
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_load_flakey_table $FLAKEY_ALLOW_WRITES
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_mount_flakey
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_ls_l $SCRATCH_MNT | tail -n +2 | awk '{ print $1, $9 }'
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_ls_l $SCRATCH_MNT/bar | tail -n +2 | awk '{ print $1, $9 }'
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_unmount_flakey
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_check_scratch_fs $FLAKEY_DEV
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[ $? -ne 0 ] && _fatal "fsck failed"
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}
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_scratch_mkfs >> $seqres.full 2>&1
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# Create a basic flakey device that will never error out
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_init_flakey
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_directory_test
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_clean_working_dir
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_rename_test
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_clean_working_dir
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_replay_rename_test
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status=0
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exit
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