From: "Darrick J. Wong" <darrick.wong@oracle.com>
To: david@fromorbit.com, darrick.wong@oracle.com
Cc: linux-btrfs@vger.kernel.org, fstests@vger.kernel.org, xfs@oss.sgi.com
Subject: [PATCH 24/32] xfs: test the automatic cowextsize extent garbage collector
Date: Thu, 11 Feb 2016 15:42:01 -0800 [thread overview]
Message-ID: <20160211234201.2202.59992.stgit@birch.djwong.org> (raw)
In-Reply-To: <20160211233916.2202.40961.stgit@birch.djwong.org>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
---
tests/xfs/231 | 130 ++++++++++++++++++++++++++++++++++++++++++++++++++++
tests/xfs/231.out | 16 ++++++
tests/xfs/232 | 132 +++++++++++++++++++++++++++++++++++++++++++++++++++++
tests/xfs/232.out | 16 ++++++
tests/xfs/group | 2 +
5 files changed, 296 insertions(+)
create mode 100755 tests/xfs/231
create mode 100644 tests/xfs/231.out
create mode 100755 tests/xfs/232
create mode 100644 tests/xfs/232.out
diff --git a/tests/xfs/231 b/tests/xfs/231
new file mode 100755
index 0000000..3672887
--- /dev/null
+++ b/tests/xfs/231
@@ -0,0 +1,130 @@
+#! /bin/bash
+# FS QA Test No. 231
+#
+# Test recovery of unused CoW reservations:
+# - Create two reflinked files. Set extsz hint on second file.
+# - Dirty a single byte on a number of CoW reservations in the second file.
+# - Fsync to flush out the dirty pages.
+# - Wait for the reclaim to run.
+# - Write more and see how bad fragmentation is.
+#
+#-----------------------------------------------------------------------
+# Copyright (c) 2016, Oracle and/or its affiliates. All Rights Reserved.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation.
+#
+# This program is distributed in the hope that it would be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write the Free Software Foundation,
+# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+#-----------------------------------------------------------------------
+
+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()
+{
+ cd /
+ echo $old_cow_lifetime > /proc/sys/fs/xfs/speculative_cow_prealloc_lifetime
+ rm -rf $tmp.*
+}
+
+# get standard environment, filters and checks
+. ./common/rc
+. ./common/filter
+. ./common/reflink
+
+# real QA test starts here
+_supported_os Linux
+_supported_fs xfs
+_require_scratch_reflink
+_require_cp_reflink
+_require_fiemap
+
+old_cow_lifetime=$(cat /proc/sys/fs/xfs/speculative_cow_prealloc_lifetime)
+
+rm -f $seqres.full
+
+echo "Format and mount"
+_scratch_mkfs > $seqres.full 2>&1
+_scratch_mount >> $seqres.full 2>&1
+
+testdir=$SCRATCH_MNT/test-$seq
+mkdir $testdir
+
+blksz=65536
+nr=64
+filesize=$((blksz * nr))
+bufnr=2
+bufsize=$((blksz * bufnr))
+
+_require_fs_space $SCRATCH_MNT $((filesize / 1024 * 3 * 5 / 4))
+real_blksz=$(stat -f -c '%S' $testdir)
+internal_blks=$((filesize / real_blksz))
+
+echo "Create the original files"
+$XFS_IO_PROG -c "cowextsize $bufsize" $testdir
+$XFS_IO_PROG -f -c "pwrite -S 0x61 -b $bufsize 0 $filesize" $testdir/file1 >> $seqres.full
+$XFS_IO_PROG -f -c "pwrite -S 0x61 -b $bufsize 0 $filesize" $testdir/file2.chk >> $seqres.full
+_cp_reflink $testdir/file1 $testdir/file2 >> $seqres.full
+_scratch_remount
+
+echo "Compare files"
+md5sum $testdir/file1 | _filter_scratch
+md5sum $testdir/file2 | _filter_scratch
+md5sum $testdir/file2.chk | _filter_scratch
+
+echo "CoW and leave leftovers"
+echo 2 > /proc/sys/fs/xfs/speculative_cow_prealloc_lifetime
+seq 2 2 $((nr - 1)) | while read f; do
+ $XFS_IO_PROG -f -c "pwrite -S 0x63 $((blksz * f - 1)) 1" $testdir/file2 >> $seqres.full
+ $XFS_IO_PROG -f -c "pwrite -S 0x63 $((blksz * f - 1)) 1" $testdir/file2.chk >> $seqres.full
+done
+sync
+
+echo "Wait for CoW expiration"
+sleep 3
+
+echo "Allocate free space"
+for i in $(seq 1 32); do
+ $XFS_IO_PROG -f -c "falloc 0 1" $testdir/junk.$i >> $seqres.full
+done
+$XFS_IO_PROG -f -c "falloc 0 $filesize" $testdir/junk >> $seqres.full
+
+echo "CoW and leave leftovers"
+echo $old_cow_lifetime > /proc/sys/fs/xfs/speculative_cow_prealloc_lifetime
+seq 2 2 $((nr - 1)) | while read f; do
+ $XFS_IO_PROG -f -c "pwrite -S 0x63 $((blksz * f)) 1" $testdir/file2 >> $seqres.full
+ $XFS_IO_PROG -f -c "pwrite -S 0x63 $((blksz * f)) 1" $testdir/file2.chk >> $seqres.full
+done
+sync
+
+echo "Compare files"
+md5sum $testdir/file1 | _filter_scratch
+md5sum $testdir/file2 | _filter_scratch
+md5sum $testdir/file2.chk | _filter_scratch
+
+echo "Check extent counts"
+old_extents=$(_count_extents $testdir/file1)
+new_extents=$(_count_extents $testdir/file2)
+
+echo "old extents: $old_extents" >> $seqres.full
+echo "new extents: $new_extents" >> $seqres.full
+echo "maximum extents: $internal_blks" >> $seqres.full
+test $new_extents -lt $((internal_blks / 7)) || echo "file2 badly fragmented"
+
+# success, all done
+status=0
+exit
diff --git a/tests/xfs/231.out b/tests/xfs/231.out
new file mode 100644
index 0000000..0dcaba3
--- /dev/null
+++ b/tests/xfs/231.out
@@ -0,0 +1,16 @@
+QA output created by 231
+Format and mount
+Create the original files
+Compare files
+bdbcf02ee0aa977795a79d25fcfdccb1 SCRATCH_MNT/test-231/file1
+bdbcf02ee0aa977795a79d25fcfdccb1 SCRATCH_MNT/test-231/file2
+bdbcf02ee0aa977795a79d25fcfdccb1 SCRATCH_MNT/test-231/file2.chk
+CoW and leave leftovers
+Wait for CoW expiration
+Allocate free space
+CoW and leave leftovers
+Compare files
+bdbcf02ee0aa977795a79d25fcfdccb1 SCRATCH_MNT/test-231/file1
+211b0f725e67149d75104a747365eb70 SCRATCH_MNT/test-231/file2
+211b0f725e67149d75104a747365eb70 SCRATCH_MNT/test-231/file2.chk
+Check extent counts
diff --git a/tests/xfs/232 b/tests/xfs/232
new file mode 100755
index 0000000..7219a64
--- /dev/null
+++ b/tests/xfs/232
@@ -0,0 +1,132 @@
+#! /bin/bash
+# FS QA Test No. 232
+#
+# Test non-recovery of unused CoW reservations for dirty files:
+# - Create two reflinked files. Set extsz hint on second file.
+# - Dirty a single byte on a number of CoW reservations in the second file.
+# - Fsync to flush out the dirty pages.
+# - Dirty a single byte anywhere in the second file.
+# - Wait for the reclaim to run.
+# - Write more and see how bad fragmentation is.
+#
+#-----------------------------------------------------------------------
+# Copyright (c) 2016, Oracle and/or its affiliates. All Rights Reserved.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation.
+#
+# This program is distributed in the hope that it would be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write the Free Software Foundation,
+# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+#-----------------------------------------------------------------------
+
+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()
+{
+ cd /
+ echo $old_cow_lifetime > /proc/sys/fs/xfs/speculative_cow_prealloc_lifetime
+ rm -rf $tmp.*
+}
+
+# get standard environment, filters and checks
+. ./common/rc
+. ./common/filter
+. ./common/reflink
+
+# real QA test starts here
+_supported_os Linux
+_supported_fs xfs
+_require_scratch_reflink
+_require_cp_reflink
+_require_fiemap
+
+old_cow_lifetime=$(cat /proc/sys/fs/xfs/speculative_cow_prealloc_lifetime)
+
+rm -f $seqres.full
+
+echo "Format and mount"
+_scratch_mkfs > $seqres.full 2>&1
+_scratch_mount >> $seqres.full 2>&1
+
+testdir=$SCRATCH_MNT/test-$seq
+mkdir $testdir
+
+blksz=65536
+nr=64
+filesize=$((blksz * nr))
+bufnr=2
+bufsize=$((blksz * bufnr))
+
+_require_fs_space $SCRATCH_MNT $((filesize / 1024 * 3 * 5 / 4))
+real_blksz=$(stat -f -c '%S' $testdir)
+internal_blks=$((filesize / real_blksz))
+
+echo "Create the original files"
+$XFS_IO_PROG -c "cowextsize $bufsize" $testdir
+$XFS_IO_PROG -f -c "pwrite -S 0x61 -b $bufsize 0 $filesize" $testdir/file1 >> $seqres.full
+$XFS_IO_PROG -f -c "pwrite -S 0x61 -b $bufsize 0 $filesize" $testdir/file2.chk >> $seqres.full
+_cp_reflink $testdir/file1 $testdir/file2 >> $seqres.full
+_scratch_remount
+
+echo "Compare files"
+md5sum $testdir/file1 | _filter_scratch
+md5sum $testdir/file2 | _filter_scratch
+md5sum $testdir/file2.chk | _filter_scratch
+
+echo "CoW and leave leftovers"
+echo 2 > /proc/sys/fs/xfs/speculative_cow_prealloc_lifetime
+seq 2 2 $((nr - 1)) | while read f; do
+ $XFS_IO_PROG -f -c "pwrite -S 0x63 $((blksz * f - 1)) 1" $testdir/file2 >> $seqres.full
+ $XFS_IO_PROG -f -c "pwrite -S 0x63 $((blksz * f - 1)) 1" $testdir/file2.chk >> $seqres.full
+done
+sync
+
+echo "Wait for CoW expiration"
+$XFS_IO_PROG -f -c "pwrite -S 0x63 $((blksz * 2)) 1" $testdir/file2 >> $seqres.full
+sleep 3
+
+echo "Allocate free space"
+for i in $(seq 1 32); do
+ $XFS_IO_PROG -f -c "falloc 0 1" $testdir/junk.$i >> $seqres.full
+done
+$XFS_IO_PROG -f -c "falloc 0 $filesize" $testdir/junk >> $seqres.full
+
+echo "CoW and leave leftovers"
+echo $old_cow_lifetime > /proc/sys/fs/xfs/speculative_cow_prealloc_lifetime
+seq 2 2 $((nr - 1)) | while read f; do
+ $XFS_IO_PROG -f -c "pwrite -S 0x63 $((blksz * f)) 1" $testdir/file2 >> $seqres.full
+ $XFS_IO_PROG -f -c "pwrite -S 0x63 $((blksz * f)) 1" $testdir/file2.chk >> $seqres.full
+done
+sync
+
+echo "Compare files"
+md5sum $testdir/file1 | _filter_scratch
+md5sum $testdir/file2 | _filter_scratch
+md5sum $testdir/file2.chk | _filter_scratch
+
+echo "Check extent counts"
+old_extents=$(_count_extents $testdir/file1)
+new_extents=$(_count_extents $testdir/file2)
+
+echo "old extents: $old_extents" >> $seqres.full
+echo "new extents: $new_extents" >> $seqres.full
+echo "maximum extents: $internal_blks" >> $seqres.full
+test $new_extents -lt $((internal_blks / 12)) || echo "file2 not sufficiently fragmented"
+
+# success, all done
+status=0
+exit
diff --git a/tests/xfs/232.out b/tests/xfs/232.out
new file mode 100644
index 0000000..0fb9fb9
--- /dev/null
+++ b/tests/xfs/232.out
@@ -0,0 +1,16 @@
+QA output created by 232
+Format and mount
+Create the original files
+Compare files
+bdbcf02ee0aa977795a79d25fcfdccb1 SCRATCH_MNT/test-232/file1
+bdbcf02ee0aa977795a79d25fcfdccb1 SCRATCH_MNT/test-232/file2
+bdbcf02ee0aa977795a79d25fcfdccb1 SCRATCH_MNT/test-232/file2.chk
+CoW and leave leftovers
+Wait for CoW expiration
+Allocate free space
+CoW and leave leftovers
+Compare files
+bdbcf02ee0aa977795a79d25fcfdccb1 SCRATCH_MNT/test-232/file1
+211b0f725e67149d75104a747365eb70 SCRATCH_MNT/test-232/file2
+211b0f725e67149d75104a747365eb70 SCRATCH_MNT/test-232/file2.chk
+Check extent counts
diff --git a/tests/xfs/group b/tests/xfs/group
index da83274..de3c7d6 100644
--- a/tests/xfs/group
+++ b/tests/xfs/group
@@ -228,6 +228,8 @@
228 auto quick clone
229 auto rw
230 auto quick clone
+231 auto quick clone
+232 auto quick clone
238 auto quick metadata ioctl
242 auto quick prealloc
244 auto quota quick
next prev parent reply other threads:[~2016-02-11 23:42 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-02-11 23:39 [PATCH v4.2 00/32] xfstests: test the nfs/cifs/btrfs/xfs reflink/dedupe ioctls Darrick J. Wong
2016-02-11 23:39 ` [PATCH 01/32] generic/182: this is a dedupe test, check for dedupe Darrick J. Wong
2016-02-11 23:39 ` [PATCH 02/32] xfstests: filter whitespace in 128 and 132 Darrick J. Wong
2016-02-11 23:39 ` [PATCH 03/32] xfstests: make _scratch_mkfs_blocksized usable Darrick J. Wong
2016-02-11 23:39 ` [PATCH 04/32] reflink: remove redundant filesystem checks from the end of the tests Darrick J. Wong
2016-02-11 23:39 ` [PATCH 05/32] reflink: remove unnecessary umounts from test code Darrick J. Wong
2016-02-11 23:39 ` [PATCH 06/32] common/dmerror: add some more dmerror routines Darrick J. Wong
2016-02-11 23:40 ` [PATCH 07/32] common: create _require_test_program to look for programs in src/ Darrick J. Wong
2016-02-11 23:40 ` [PATCH 08/32] common: provide a method to repair the scratch fs Darrick J. Wong
2016-02-11 23:40 ` [PATCH 09/32] reflink: refactor mixed block creation code Darrick J. Wong
2016-02-11 23:40 ` [PATCH 11/32] reflink: add _require_odirect to the directio tests Darrick J. Wong
2016-02-11 23:40 ` [PATCH 12/32] dio: unwritten conversion bug tests Darrick J. Wong
2016-02-12 3:52 ` Dave Chinner
2016-02-12 15:22 ` Theodore Ts'o
2016-02-12 22:49 ` Dave Chinner
2016-02-12 17:40 ` Darrick J. Wong
2016-02-11 23:40 ` [PATCH 13/32] reflink: test intersecting CoW and falloc/fpunch/fzero/fcollapse/finsert/ftrunc Darrick J. Wong
2016-02-11 23:40 ` [PATCH 14/32] reflink: test CoW behavior with IO errors Darrick J. Wong
2016-02-11 23:40 ` [PATCH 15/32] reflink: test CoW operations against the source file Darrick J. Wong
2016-02-11 23:41 ` [PATCH 16/32] reflink: ensure that we can handle reflinking a lot of extents Darrick J. Wong
2016-02-11 23:41 ` [PATCH 17/32] xfs: more reflink tests Darrick J. Wong
2016-02-11 23:41 ` [PATCH 18/32] xfs/122: support refcount/rmap data structures Darrick J. Wong
2016-02-11 23:41 ` [PATCH 19/32] xfs: test fragmentation characteristics of copy-on-write Darrick J. Wong
2016-02-11 23:41 ` [PATCH 20/32] reflink: high offset reflink and dedupe tests Darrick J. Wong
2016-02-11 23:41 ` [PATCH 21/32] reflink: test xfs cow behavior when the filesystem crashes Darrick J. Wong
2016-02-11 23:41 ` [PATCH 22/32] reflink: test quota accounting Darrick J. Wong
2016-02-11 23:41 ` [PATCH 23/32] reflink: test CoW across a mixed range of block types with cowextsize set Darrick J. Wong
2016-02-11 23:42 ` Darrick J. Wong [this message]
2016-02-11 23:42 ` [PATCH 25/32] xfs: test rmapbt functionality Darrick J. Wong
2016-02-11 23:42 ` [PATCH 26/32] reflink: test aio copy on write Darrick J. Wong
2016-02-11 23:42 ` [PATCH 27/32] xfs: aio cow tests Darrick J. Wong
2016-02-11 23:42 ` [PATCH 28/32] xfs: test xfs_getbmapx behavior with shared extents Darrick J. Wong
2016-02-11 23:42 ` [PATCH 29/32] reflink: test reflink+cow+enospc all at the same time Darrick J. Wong
2016-02-11 23:42 ` [PATCH 30/32] xfs: ensure that we don't crash when freeing the ag reservations on a ro mount Darrick J. Wong
2016-02-11 23:42 ` [PATCH 31/32] xfs: test source CoW across mixed block types with cowextsz set Darrick J. Wong
2016-02-11 23:42 ` [PATCH 32/32] reflink: kick the slow tests out of the 'quick' group Darrick J. Wong
2016-02-12 17:41 ` [PATCH 33/32] aiocp: fix the gcc warnings Darrick J. Wong
2016-02-13 1:26 ` [PATCH v4.2 00/32] xfstests: test the nfs/cifs/btrfs/xfs reflink/dedupe ioctls Dave Chinner
2016-02-13 4:38 ` Darrick J. Wong
2016-02-13 8:03 ` Christoph Hellwig
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