[PATCH 20/23] reflink: test aio copy on write

["Darrick J. Wong" <darrick.wong@oracle.com>]

Make sure that copy on write works with the AIO path.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
---
 tests/generic/329     |  105 ++++++++++++++++++++++++++++++++++++++++++++++++
 tests/generic/329.out |   12 +++++
 tests/generic/330     |   96 ++++++++++++++++++++++++++++++++++++++++++++
 tests/generic/330.out |   11 +++++
 tests/generic/331     |  107 +++++++++++++++++++++++++++++++++++++++++++++++++
 tests/generic/331.out |   12 +++++
 tests/generic/332     |   97 ++++++++++++++++++++++++++++++++++++++++++++
 tests/generic/332.out |   11 +++++
 tests/generic/group   |    4 ++
 9 files changed, 455 insertions(+)
 create mode 100755 tests/generic/329
 create mode 100644 tests/generic/329.out
 create mode 100755 tests/generic/330
 create mode 100644 tests/generic/330.out
 create mode 100755 tests/generic/331
 create mode 100644 tests/generic/331.out
 create mode 100755 tests/generic/332
 create mode 100644 tests/generic/332.out


diff --git a/tests/generic/329 b/tests/generic/329
new file mode 100755
index 0000000..cf6dab0
--- /dev/null
+++ b/tests/generic/329
@@ -0,0 +1,105 @@
+#! /bin/bash
+# FS QA Test No. 329
+#
+# Test AIO DIO CoW behavior when the write temporarily fails.
+#
+#-----------------------------------------------------------------------
+# 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 /
+    rm -rf "$tmp".* "$TEST_DIR/moo"
+    _dmerror_cleanup
+}
+
+# get standard environment, filters and checks
+. ./common/rc
+. ./common/filter
+. ./common/reflink
+. ./common/dmerror
+
+# real QA test starts here
+_supported_os Linux
+_require_scratch_reflink
+_require_cp_reflink
+_require_dm_target error
+_require_aiodio "aiocp"
+
+rm -f "$seqres.full"
+
+
+echo "Format and mount"
+_scratch_mkfs > "$seqres.full" 2>&1
+_dmerror_init
+_dmerror_mount >> "$seqres.full" 2>&1
+
+testdir="$SCRATCH_MNT/test-$seq"
+rm -rf $testdir
+mkdir $testdir
+
+blksz=65536
+nr=640
+bsz=128
+
+free_blocks=$(stat -f -c '%a' "$testdir")
+real_blksz=$(stat -f -c '%S' "$testdir")
+space_needed=$(((blksz * nr * 3) * 5 / 4))
+space_avail=$((free_blocks * real_blksz))
+test $space_needed -gt $space_avail && _notrun "Not enough space. $space_avail < $space_needed"
+
+echo "Create the original files"
+"$XFS_IO_PROG" -f -c "pwrite -S 0x61 -b $((blksz * bsz)) 0 $((blksz * nr))" "$testdir/file1" >> "$seqres.full"
+_cp_reflink "$testdir/file1" "$testdir/file2" >> "$seqres.full"
+_dmerror_unmount
+_dmerror_mount
+
+echo "Compare files"
+md5sum "$testdir/file1" | _filter_scratch
+md5sum "$testdir/file2" | _filter_scratch
+
+echo "CoW and unmount"
+"$XFS_IO_PROG" -f -c "pwrite -S 0x63 $((blksz * bsz)) 1" "$testdir/file2" >> "$seqres.full"
+"$XFS_IO_PROG" -f -c "pwrite -S 0x63 -b $((blksz * bsz)) 0 $((blksz * nr))" "$TEST_DIR/moo" >> "$seqres.full"
+sync
+_dmerror_load_error_table
+"$AIO_TEST" -f DIRECT -b $((blksz * bsz)) "$TEST_DIR/moo" "$testdir/file2" >> "$seqres.full"
+_dmerror_load_working_table
+_dmerror_unmount
+_dmerror_mount
+
+echo "Compare files"
+md5sum "$testdir/file1" | _filter_scratch
+md5sum "$testdir/file2" | _filter_scratch
+
+echo "Check for damage"
+_dmerror_unmount
+_dmerror_cleanup
+_repair_scratch_fs >> "$seqres.full" 2>&1
+
+# success, all done
+status=0
+exit
diff --git a/tests/generic/329.out b/tests/generic/329.out
new file mode 100644
index 0000000..f14726c
--- /dev/null
+++ b/tests/generic/329.out
@@ -0,0 +1,12 @@
+QA output created by 329
+Format and mount
+Create the original files
+Compare files
+1886e67cf8783e89ce6ddc5bb09a3944  SCRATCH_MNT/test-329/file1
+1886e67cf8783e89ce6ddc5bb09a3944  SCRATCH_MNT/test-329/file2
+CoW and unmount
+write missed bytes expect 8388608 got 0
+Compare files
+1886e67cf8783e89ce6ddc5bb09a3944  SCRATCH_MNT/test-329/file1
+d94b0ab13385aba594411c174b1cc13c  SCRATCH_MNT/test-329/file2
+Check for damage
diff --git a/tests/generic/330 b/tests/generic/330
new file mode 100755
index 0000000..d720f58
--- /dev/null
+++ b/tests/generic/330
@@ -0,0 +1,96 @@
+#! /bin/bash
+# FS QA Test No. 330
+#
+# Test AIO DIO CoW behavior.
+#
+#-----------------------------------------------------------------------
+# 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 /
+    rm -rf "$tmp".* "$TEST_DIR/moo"
+}
+
+# get standard environment, filters and checks
+. ./common/rc
+. ./common/filter
+. ./common/reflink
+
+# real QA test starts here
+_supported_os Linux
+_require_scratch_reflink
+_require_cp_reflink
+_require_aiodio "aiocp"
+
+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"
+rm -rf $testdir
+mkdir $testdir
+
+blksz=65536
+nr=640
+bsz=128
+
+free_blocks=$(stat -f -c '%a' "$testdir")
+real_blksz=$(stat -f -c '%S' "$testdir")
+space_needed=$(((blksz * nr * 3) * 5 / 4))
+space_avail=$((free_blocks * real_blksz))
+test $space_needed -gt $space_avail && _notrun "Not enough space. $space_avail < $space_needed"
+
+echo "Create the original files"
+"$XFS_IO_PROG" -f -c "pwrite -S 0x61 -b $((blksz * bsz)) 0 $((blksz * nr))" "$testdir/file1" >> "$seqres.full"
+_cp_reflink "$testdir/file1" "$testdir/file2" >> "$seqres.full"
+_scratch_remount
+
+echo "Compare files"
+md5sum "$testdir/file1" | _filter_scratch
+md5sum "$testdir/file2" | _filter_scratch
+
+echo "CoW and unmount"
+"$XFS_IO_PROG" -f -c "pwrite -S 0x63 $((blksz * bsz)) 1" "$testdir/file2" >> "$seqres.full"
+sync
+"$XFS_IO_PROG" -f -c "pwrite -S 0x63 -b $((blksz * bsz)) 0 $((blksz * nr))" "$TEST_DIR/moo" >> "$seqres.full"
+"$AIO_TEST" -f DIRECT -b $((blksz * bsz)) "$TEST_DIR/moo" "$testdir/file2" >> "$seqres.full"
+_scratch_remount
+
+echo "Compare files"
+md5sum "$testdir/file1" | _filter_scratch
+md5sum "$testdir/file2" | _filter_scratch
+
+echo "Check for damage"
+umount "$SCRATCH_MNT"
+_repair_scratch_fs >> "$seqres.full" 2>&1
+
+# success, all done
+status=0
+exit
diff --git a/tests/generic/330.out b/tests/generic/330.out
new file mode 100644
index 0000000..9a33a22
--- /dev/null
+++ b/tests/generic/330.out
@@ -0,0 +1,11 @@
+QA output created by 330
+Format and mount
+Create the original files
+Compare files
+1886e67cf8783e89ce6ddc5bb09a3944  SCRATCH_MNT/test-330/file1
+1886e67cf8783e89ce6ddc5bb09a3944  SCRATCH_MNT/test-330/file2
+CoW and unmount
+Compare files
+1886e67cf8783e89ce6ddc5bb09a3944  SCRATCH_MNT/test-330/file1
+7a4d22297e80ff3c92cb1b3e4566d234  SCRATCH_MNT/test-330/file2
+Check for damage
diff --git a/tests/generic/331 b/tests/generic/331
new file mode 100755
index 0000000..589150b
--- /dev/null
+++ b/tests/generic/331
@@ -0,0 +1,107 @@
+#! /bin/bash
+# FS QA Test No. 331
+#
+# Test AIO CoW behavior when the write temporarily fails.
+#
+#-----------------------------------------------------------------------
+# 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 /
+    rm -rf "$tmp".* "$TEST_DIR/moo"
+    _dmerror_cleanup
+}
+
+# get standard environment, filters and checks
+. ./common/rc
+. ./common/filter
+. ./common/reflink
+. ./common/dmerror
+
+# real QA test starts here
+_supported_os Linux
+_require_scratch_reflink
+_require_cp_reflink
+_require_dm_target error
+AIO_TEST="src/aio-dio-regress/aiocp"
+test -x "$AIO_TEST" || _notrun "aiocp not built"
+
+rm -f "$seqres.full"
+
+
+echo "Format and mount"
+_scratch_mkfs > "$seqres.full" 2>&1
+_dmerror_init
+_dmerror_mount >> "$seqres.full" 2>&1
+
+testdir="$SCRATCH_MNT/test-$seq"
+rm -rf $testdir
+mkdir $testdir
+
+blksz=65536
+nr=640
+bsz=128
+
+free_blocks=$(stat -f -c '%a' "$testdir")
+real_blksz=$(stat -f -c '%S' "$testdir")
+space_needed=$(((blksz * nr * 3) * 5 / 4))
+space_avail=$((free_blocks * real_blksz))
+test $space_needed -gt $space_avail && _notrun "Not enough space. $space_avail < $space_needed"
+
+echo "Create the original files"
+"$XFS_IO_PROG" -f -c "pwrite -S 0x61 -b $((blksz * bsz)) 0 $((blksz * nr))" "$testdir/file1" >> "$seqres.full"
+_cp_reflink "$testdir/file1" "$testdir/file2" >> "$seqres.full"
+_dmerror_unmount
+_dmerror_mount
+
+echo "Compare files"
+md5sum "$testdir/file1" | _filter_scratch
+md5sum "$testdir/file2" | _filter_scratch
+
+echo "CoW and unmount"
+"$XFS_IO_PROG" -f -c "pwrite -S 0x63 $((blksz * bsz)) 1" "$testdir/file2" >> "$seqres.full"
+"$XFS_IO_PROG" -f -c "pwrite -S 0x63 -b $((blksz * bsz)) 0 $((blksz * nr))" "$TEST_DIR/moo" >> "$seqres.full"
+sync
+_dmerror_load_error_table
+"$AIO_TEST" -b $((blksz * bsz)) "$TEST_DIR/moo" "$testdir/file2" >> "$seqres.full"
+"$XFS_IO_PROG" -c "fdatasync" "$testdir/file2"
+_dmerror_load_working_table
+_dmerror_unmount
+_dmerror_mount
+
+echo "Compare files"
+md5sum "$testdir/file1" | _filter_scratch
+md5sum "$testdir/file2" | _filter_scratch
+
+echo "Check for damage"
+_dmerror_unmount
+_dmerror_cleanup
+_repair_scratch_fs >> "$seqres.full" 2>&1
+
+# success, all done
+status=0
+exit
diff --git a/tests/generic/331.out b/tests/generic/331.out
new file mode 100644
index 0000000..adbf841
--- /dev/null
+++ b/tests/generic/331.out
@@ -0,0 +1,12 @@
+QA output created by 331
+Format and mount
+Create the original files
+Compare files
+1886e67cf8783e89ce6ddc5bb09a3944  SCRATCH_MNT/test-331/file1
+1886e67cf8783e89ce6ddc5bb09a3944  SCRATCH_MNT/test-331/file2
+CoW and unmount
+fdatasync: Input/output error
+Compare files
+1886e67cf8783e89ce6ddc5bb09a3944  SCRATCH_MNT/test-331/file1
+d94b0ab13385aba594411c174b1cc13c  SCRATCH_MNT/test-331/file2
+Check for damage
diff --git a/tests/generic/332 b/tests/generic/332
new file mode 100755
index 0000000..7c24a61
--- /dev/null
+++ b/tests/generic/332
@@ -0,0 +1,97 @@
+#! /bin/bash
+# FS QA Test No. 332
+#
+# Test AIO CoW behavior.
+#
+#-----------------------------------------------------------------------
+# 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 /
+    rm -rf "$tmp".* "$TEST_DIR/moo"
+}
+
+# get standard environment, filters and checks
+. ./common/rc
+. ./common/filter
+. ./common/reflink
+
+# real QA test starts here
+_supported_os Linux
+_require_scratch_reflink
+_require_cp_reflink
+AIO_TEST="src/aio-dio-regress/aiocp"
+test -x "$AIO_TEST" || _notrun "aiocp not built"
+
+rm -f "$seqres.full"
+
+
+echo "Format and mount"
+_scratch_mkfs > "$seqres.full" 2>&1
+_scratch_mount >> "$seqres.full" 2>&1
+
+testdir="$SCRATCH_MNT/test-$seq"
+rm -rf $testdir
+mkdir $testdir
+
+blksz=65536
+nr=640
+bsz=128
+
+free_blocks=$(stat -f -c '%a' "$testdir")
+real_blksz=$(stat -f -c '%S' "$testdir")
+space_needed=$(((blksz * nr * 3) * 5 / 4))
+space_avail=$((free_blocks * real_blksz))
+test $space_needed -gt $space_avail && _notrun "Not enough space. $space_avail < $space_needed"
+
+echo "Create the original files"
+"$XFS_IO_PROG" -f -c "pwrite -S 0x61 -b $((blksz * bsz)) 0 $((blksz * nr))" "$testdir/file1" >> "$seqres.full"
+_cp_reflink "$testdir/file1" "$testdir/file2" >> "$seqres.full"
+_scratch_remount
+
+echo "Compare files"
+md5sum "$testdir/file1" | _filter_scratch
+md5sum "$testdir/file2" | _filter_scratch
+
+echo "CoW and unmount"
+"$XFS_IO_PROG" -f -c "pwrite -S 0x63 $((blksz * bsz)) 1" "$testdir/file2" >> "$seqres.full"
+"$XFS_IO_PROG" -f -c "pwrite -S 0x63 -b $((blksz * bsz)) 0 $((blksz * nr))" "$TEST_DIR/moo" >> "$seqres.full"
+sync
+"$AIO_TEST" -b $((blksz * bsz)) "$TEST_DIR/moo" "$testdir/file2" >> "$seqres.full"
+_scratch_remount
+
+echo "Compare files"
+md5sum "$testdir/file1" | _filter_scratch
+md5sum "$testdir/file2" | _filter_scratch
+
+echo "Check for damage"
+umount "$SCRATCH_MNT"
+_repair_scratch_fs >> "$seqres.full" 2>&1
+
+# success, all done
+status=0
+exit
diff --git a/tests/generic/332.out b/tests/generic/332.out
new file mode 100644
index 0000000..b584b1e
--- /dev/null
+++ b/tests/generic/332.out
@@ -0,0 +1,11 @@
+QA output created by 332
+Format and mount
+Create the original files
+Compare files
+1886e67cf8783e89ce6ddc5bb09a3944  SCRATCH_MNT/test-332/file1
+1886e67cf8783e89ce6ddc5bb09a3944  SCRATCH_MNT/test-332/file2
+CoW and unmount
+Compare files
+1886e67cf8783e89ce6ddc5bb09a3944  SCRATCH_MNT/test-332/file1
+7a4d22297e80ff3c92cb1b3e4566d234  SCRATCH_MNT/test-332/file2
+Check for damage
diff --git a/tests/generic/group b/tests/generic/group
index d4531f8..b5ae5ad 100644
--- a/tests/generic/group
+++ b/tests/generic/group
@@ -331,3 +331,7 @@
 326 auto quick clone
 327 auto quick clone
 328 auto quick clone
+329 auto quick clone
+330 auto quick clone
+331 auto quick clone
+332 auto quick clone