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reflink: test accuracy of free block counts
Check that the free block counts seem to be handled correctly in the reflink operation and subsequent attempts to rewrite reflinked copies. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Acked-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Dave Chinner <david@fromorbit.com>
This commit is contained in:
Darrick J. Wong
committed by
Dave Chinner
Dave Chinner
parent
c84e01bac3
commit
bed1fedae6
Executable
+78
@@ -0,0 +1,78 @@
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#! /bin/bash
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# FS QA Test No. 150
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#
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# Ensure that reflinking a file N times doesn't eat a lot of blocks
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# - Create a file and record fs block usage
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# - Create some reflink copies
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# - Compare fs block usage to before
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#
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#-----------------------------------------------------------------------
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# Copyright (c) 2015, Oracle and/or its affiliates. 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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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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tmp=/tmp/$$
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status=1 # failure is the default!
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trap "_cleanup; exit \$status" 0 1 2 3 15
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_cleanup()
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{
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cd /
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rm -rf "$tmp".* "$TESTDIR"
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}
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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/reflink
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# real QA test starts here
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_supported_os Linux
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_require_test_reflink
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_require_cp_reflink
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rm -f "$seqres.full"
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TESTDIR="$TEST_DIR/test-$seq"
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rm -rf "$TESTDIR"
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mkdir "$TESTDIR"
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echo "Create the original file blocks"
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BLKSZ="$(stat -f $TESTDIR -c '%S')"
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BLKS=2000
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MARGIN=100
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SZ=$((BLKSZ * BLKS))
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NR=7
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_pwrite_byte 0x61 0 $SZ "$TESTDIR/file1" >> "$seqres.full"
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sync
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FREE_BLOCKS0=$(stat -f "$TESTDIR" -c '%f')
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echo "Create the reflink copies"
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for i in `seq 2 $NR`; do
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_cp_reflink "$TESTDIR/file1" "$TESTDIR/file.$i"
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done
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_test_remount
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FREE_BLOCKS1=$(stat -f "$TESTDIR" -c '%f')
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_within_tolerance "free blocks after reflink" $FREE_BLOCKS1 $FREE_BLOCKS0 $MARGIN -v
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# success, all done
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status=0
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exit
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@@ -0,0 +1,4 @@
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QA output created by 150
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Create the original file blocks
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Create the reflink copies
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free blocks after reflink is in range
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Executable
+98
@@ -0,0 +1,98 @@
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#! /bin/bash
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# FS QA Test No. 151
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#
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# Ensure that deleting all copies of a file reflinked N times releases the blocks
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# - Record fs block usage (0)
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# - Create a file and some reflink copies
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# - Record fs block usage (1)
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# - Delete some copies of the file
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# - Record fs block usage (2)
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# - Delete all copies of the file
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# - Compare fs block usage to (2), (1), and (0)
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#
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#-----------------------------------------------------------------------
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# Copyright (c) 2015, Oracle and/or its affiliates. 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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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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tmp=/tmp/$$
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status=1 # failure is the default!
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trap "_cleanup; exit \$status" 0 1 2 3 15
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_cleanup()
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{
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cd /
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rm -rf "$tmp".* "$TESTDIR"
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}
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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/reflink
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# real QA test starts here
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_supported_os Linux
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_require_test_reflink
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_require_cp_reflink
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rm -f "$seqres.full"
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TESTDIR="$TEST_DIR/test-$seq"
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rm -rf "$TESTDIR"
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mkdir "$TESTDIR"
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echo "Create the original file blocks"
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BLKSZ="$(stat -f "$TESTDIR" -c '%S')"
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BLKS=2000
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MARGIN=100
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SZ=$((BLKSZ * BLKS))
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FREE_BLOCKS0=$(stat -f "$TESTDIR" -c '%f')
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NR=7
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_pwrite_byte 0x61 0 $SZ "$TESTDIR/file1" >> "$seqres.full"
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sync
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echo "Create the reflink copies"
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for i in `seq 2 $NR`; do
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_cp_reflink "$TESTDIR/file1" "$TESTDIR/file.$i"
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done
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_cp_reflink "$TESTDIR/file1" "$TESTDIR/survivor"
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_test_remount
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FREE_BLOCKS1=$(stat -f "$TESTDIR" -c '%f')
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echo "Delete most of the files"
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rm -rf "$TESTDIR"/file*
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_test_remount
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FREE_BLOCKS2=$(stat -f "$TESTDIR" -c '%f')
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echo "Delete all the files"
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rm -rf "$TESTDIR"/*
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_test_remount
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FREE_BLOCKS3=$(stat -f "$TESTDIR" -c '%f')
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#echo $FREE_BLOCKS0 $FREE_BLOCKS1 $FREE_BLOCKS2 $FREE_BLOCKS3
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_within_tolerance "free blocks after reflink" $FREE_BLOCKS1 $((FREE_BLOCKS0 - BLKS)) $MARGIN -v
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_within_tolerance "free blocks after deleting some reflink copies" $FREE_BLOCKS2 $FREE_BLOCKS1 $MARGIN -v
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_within_tolerance "free blocks after deleting all copies" $FREE_BLOCKS3 $FREE_BLOCKS0 $MARGIN -v
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# success, all done
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status=0
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exit
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@@ -0,0 +1,8 @@
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QA output created by 151
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Create the original file blocks
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Create the reflink copies
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Delete most of the files
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Delete all the files
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free blocks after reflink is in range
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free blocks after deleting some reflink copies is in range
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free blocks after deleting all copies is in range
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Executable
+103
@@ -0,0 +1,103 @@
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#! /bin/bash
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# FS QA Test No. 152
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#
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# Ensure that punching all copies of a file reflinked N times releases the blocks
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# - Record fs block usage (0)
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# - Create a file and some reflink copies
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# - Record fs block usage (1)
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# - Punch some blocks of the copies
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# - Record fs block usage (2)
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# - Punch all blocks of the copies
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# - Compare fs block usage to (2), (1), and (0)
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#
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#-----------------------------------------------------------------------
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# Copyright (c) 2015, Oracle and/or its affiliates. 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
|
||||
# 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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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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tmp=/tmp/$$
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status=1 # failure is the default!
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trap "_cleanup; exit \$status" 0 1 2 3 15
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_cleanup()
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{
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cd /
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rm -rf "$tmp".* "$TESTDIR"
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}
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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/reflink
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# real QA test starts here
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_supported_os Linux
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_require_test_reflink
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_require_cp_reflink
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_require_xfs_io_command "fpunch"
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rm -f "$seqres.full"
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TESTDIR="$TEST_DIR/test-$seq"
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rm -rf "$TESTDIR"
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mkdir "$TESTDIR"
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echo "Create the original file blocks"
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BLKSZ="$(stat -f "$TESTDIR" -c '%S')"
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BLKS=2000
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MARGIN=100
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SZ=$((BLKSZ * BLKS))
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FREE_BLOCKS0=$(stat -f "$TESTDIR" -c '%f')
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NR=4
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_pwrite_byte 0x61 0 $SZ "$TESTDIR/file1" >> "$seqres.full"
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sync
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echo "Create the reflink copies"
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for i in `seq 2 $NR`; do
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_cp_reflink "$TESTDIR/file1" "$TESTDIR/file$i"
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done
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_test_remount
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FREE_BLOCKS1=$(stat -f "$TESTDIR" -c '%f')
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echo "Punch most of the blocks"
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"$XFS_IO_PROG" -f -c "fpunch 0 $SZ" "$TESTDIR/file2"
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"$XFS_IO_PROG" -f -c "fpunch 0 $((SZ / 2))" "$TESTDIR/file3"
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"$XFS_IO_PROG" -f -c "fpunch $((SZ / 2)) $((SZ / 2))" "$TESTDIR/file4"
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_test_remount
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FREE_BLOCKS2=$(stat -f "$TESTDIR" -c '%f')
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echo "Punch all the files"
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for i in `seq 2 $NR`; do
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"$XFS_IO_PROG" -f -c "fpunch 0 $SZ" "$TESTDIR/file$i"
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done
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"$XFS_IO_PROG" -f -c "fpunch 0 $SZ" "$TESTDIR/file1"
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_test_remount
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FREE_BLOCKS3=$(stat -f "$TESTDIR" -c '%f')
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#echo $FREE_BLOCKS0 $FREE_BLOCKS1 $FREE_BLOCKS2 $FREE_BLOCKS3
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_within_tolerance "free blocks after reflink" $FREE_BLOCKS1 $((FREE_BLOCKS0 - BLKS)) $MARGIN -v
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_within_tolerance "free blocks after punching some reflink copies" $FREE_BLOCKS2 $FREE_BLOCKS1 $MARGIN -v
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_within_tolerance "free blocks after punching all copies" $FREE_BLOCKS3 $FREE_BLOCKS0 $MARGIN -v
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# success, all done
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status=0
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exit
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@@ -0,0 +1,8 @@
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QA output created by 152
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Create the original file blocks
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Create the reflink copies
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Punch most of the blocks
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Punch all the files
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free blocks after reflink is in range
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free blocks after punching some reflink copies is in range
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free blocks after punching all copies is in range
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Executable
+102
@@ -0,0 +1,102 @@
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#! /bin/bash
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# FS QA Test No. 153
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#
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# Ensure that collapse-range on all copies of a file reflinked N times releases the blocks
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# - Record fs block usage (0)
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# - Create a file and some reflink copies
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# - Record fs block usage (1)
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# - Collapse-range some blocks of the copies
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# - Record fs block usage (2)
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# - Truncate all blocks of the copies
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# - Compare fs block usage to (2), (1), and (0)
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#
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#-----------------------------------------------------------------------
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# Copyright (c) 2015, 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"`
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seqres="$RESULT_DIR/$seq"
|
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echo "QA output created by $seq"
|
||||
|
||||
here=`pwd`
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tmp=/tmp/$$
|
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status=1 # failure is the default!
|
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trap "_cleanup; exit \$status" 0 1 2 3 15
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||||
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_cleanup()
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{
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cd /
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rm -rf "$tmp".* "$TESTDIR"
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}
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|
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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/reflink
|
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|
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# real QA test starts here
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_supported_os Linux
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_require_test_reflink
|
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_require_cp_reflink
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_require_xfs_io_command "fcollapse"
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rm -f "$seqres.full"
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TESTDIR="$TEST_DIR/test-$seq"
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rm -rf "$TESTDIR"
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mkdir "$TESTDIR"
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|
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echo "Create the original file blocks"
|
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BLKSZ="$(stat -f "$TESTDIR" -c '%S')"
|
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BLKS=2000
|
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MARGIN=100
|
||||
SZ=$((BLKSZ * BLKS))
|
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FREE_BLOCKS0=$(stat -f "$TESTDIR" -c '%f')
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NR=4
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_pwrite_byte 0x61 0 $SZ "$TESTDIR/file1" >> "$seqres.full"
|
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_test_remount
|
||||
|
||||
echo "Create the reflink copies"
|
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for i in `seq 2 $NR`; do
|
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_cp_reflink "$TESTDIR/file1" "$TESTDIR/file$i"
|
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done
|
||||
_test_remount
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FREE_BLOCKS1=$(stat -f "$TESTDIR" -c '%f')
|
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|
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echo "Collapse most of the blocks"
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"$XFS_IO_PROG" -f -c "fcollapse 0 $(((BLKS - 1) * BLKSZ))" $TESTDIR/file2
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"$XFS_IO_PROG" -f -c "fcollapse 0 $((SZ / 2))" $TESTDIR/file3
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"$XFS_IO_PROG" -f -c "fcollapse $((SZ / 2)) $(( ((BLKS / 2) - 1) * BLKSZ))" $TESTDIR/file4
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_test_remount
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FREE_BLOCKS2=$(stat -f "$TESTDIR" -c '%f')
|
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|
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echo "Collpase nearly all the files"
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"$XFS_IO_PROG" -f -c "fcollapse 0 $(( ((BLKS / 2) - 1) * BLKSZ))" $TESTDIR/file3
|
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"$XFS_IO_PROG" -f -c "fcollapse 0 $((SZ / 2))" $TESTDIR/file4
|
||||
"$XFS_IO_PROG" -f -c "fcollapse 0 $(( (BLKS - 1) * BLKSZ))" $TESTDIR/file1
|
||||
_test_remount
|
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FREE_BLOCKS3=$(stat -f "$TESTDIR" -c '%f')
|
||||
#echo $FREE_BLOCKS0 $FREE_BLOCKS1 $FREE_BLOCKS2 $FREE_BLOCKS3
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||||
|
||||
_within_tolerance "free blocks after reflink" $FREE_BLOCKS1 $((FREE_BLOCKS0 - BLKS)) $MARGIN -v
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||||
|
||||
_within_tolerance "free blocks after fcollapsing some reflink copies" $FREE_BLOCKS2 $FREE_BLOCKS1 $MARGIN -v
|
||||
|
||||
_within_tolerance "free blocks after fcollapsing all copies" $FREE_BLOCKS3 $FREE_BLOCKS0 $MARGIN -v
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||||
|
||||
# success, all done
|
||||
status=0
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||||
exit
|
||||
@@ -0,0 +1,8 @@
|
||||
QA output created by 153
|
||||
Create the original file blocks
|
||||
Create the reflink copies
|
||||
Collapse most of the blocks
|
||||
Collpase nearly all the files
|
||||
free blocks after reflink is in range
|
||||
free blocks after fcollapsing some reflink copies is in range
|
||||
free blocks after fcollapsing all copies is in range
|
||||
Executable
+110
@@ -0,0 +1,110 @@
|
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#! /bin/bash
|
||||
# FS QA Test No. 154
|
||||
#
|
||||
# Ensure that CoW on all copies of a file reflinked N times increases block count
|
||||
# - Record fs block usage (0)
|
||||
# - Create a file and some reflink copies
|
||||
# - Record fs block usage (1)
|
||||
# - CoW some blocks of the copies
|
||||
# - Record fs block usage (2)
|
||||
# - CoW all the rest of the blocks of the copies
|
||||
# - Compare fs block usage to (2), (1), and (0)
|
||||
#
|
||||
#-----------------------------------------------------------------------
|
||||
# Copyright (c) 2015, 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".* "$TESTDIR"
|
||||
}
|
||||
|
||||
# get standard environment, filters and checks
|
||||
. ./common/rc
|
||||
. ./common/filter
|
||||
. ./common/reflink
|
||||
|
||||
# real QA test starts here
|
||||
_supported_os Linux
|
||||
_require_test_reflink
|
||||
_require_cp_reflink
|
||||
|
||||
rm -f "$seqres.full"
|
||||
|
||||
TESTDIR="$TEST_DIR/test-$seq"
|
||||
rm -rf "$TESTDIR"
|
||||
mkdir "$TESTDIR"
|
||||
|
||||
echo "Create the original file blocks"
|
||||
BLKSZ="$(stat -f "$TESTDIR" -c '%S')"
|
||||
BLKS=2000
|
||||
MARGIN=100
|
||||
FREE_BLOCKS0=$(stat -f "$TESTDIR" -c '%f')
|
||||
NR=4
|
||||
SZ=$((BLKS * BLKSZ))
|
||||
_pwrite_byte 0x61 0 $SZ "$TESTDIR/file1" >> "$seqres.full"
|
||||
_test_remount
|
||||
|
||||
echo "Create the reflink copies"
|
||||
for i in `seq 2 $NR`; do
|
||||
_cp_reflink "$TESTDIR/file1" "$TESTDIR/file$i"
|
||||
done
|
||||
_test_remount
|
||||
FREE_BLOCKS1=$(stat -f "$TESTDIR" -c '%f')
|
||||
|
||||
echo "Rewrite some of the blocks"
|
||||
_pwrite_byte 0x62 0 $SZ "$TESTDIR/file2" >> "$seqres.full"
|
||||
_pwrite_byte 0x63 0 $((SZ / 2)) "$TESTDIR/file3" >> "$seqres.full"
|
||||
_pwrite_byte 0x64 $((SZ / 2)) $((SZ / 2)) "$TESTDIR/file4" >> "$seqres.full"
|
||||
_test_remount
|
||||
FREE_BLOCKS2=$(stat -f "$TESTDIR" -c '%f')
|
||||
|
||||
echo "Rewrite all the files"
|
||||
_pwrite_byte 0x62 0 $SZ "$TESTDIR/file2" >> "$seqres.full"
|
||||
_pwrite_byte 0x63 0 $SZ "$TESTDIR/file3" >> "$seqres.full"
|
||||
_pwrite_byte 0x64 0 $SZ "$TESTDIR/file4" >> "$seqres.full"
|
||||
_test_remount
|
||||
FREE_BLOCKS3=$(stat -f "$TESTDIR" -c '%f')
|
||||
|
||||
echo "Rewrite the original file"
|
||||
_pwrite_byte 0x65 0 $SZ "$TESTDIR/file1" >> "$seqres.full"
|
||||
_test_remount
|
||||
FREE_BLOCKS4=$(stat -f "$TESTDIR" -c '%f')
|
||||
#echo $FREE_BLOCKS0 $FREE_BLOCKS1 $FREE_BLOCKS2 $FREE_BLOCKS3 $FREE_BLOCKS4
|
||||
|
||||
_within_tolerance "free blocks after reflinking" $FREE_BLOCKS1 $((FREE_BLOCKS0 - BLKS)) $MARGIN -v
|
||||
|
||||
_within_tolerance "free blocks after partially CoWing some copies" $FREE_BLOCKS2 $((FREE_BLOCKS1 - (2 * BLKS))) $MARGIN -v
|
||||
|
||||
_within_tolerance "free blocks after CoWing all copies" $FREE_BLOCKS3 $((FREE_BLOCKS2 - BLKS)) $MARGIN -v
|
||||
|
||||
_within_tolerance "free blocks after overwriting original" $FREE_BLOCKS4 $FREE_BLOCKS3 $MARGIN -v
|
||||
|
||||
_within_tolerance "free blocks after all tests" $FREE_BLOCKS4 $((FREE_BLOCKS0 - (4 * BLKS))) $MARGIN -v
|
||||
|
||||
# success, all done
|
||||
status=0
|
||||
exit
|
||||
@@ -0,0 +1,11 @@
|
||||
QA output created by 154
|
||||
Create the original file blocks
|
||||
Create the reflink copies
|
||||
Rewrite some of the blocks
|
||||
Rewrite all the files
|
||||
Rewrite the original file
|
||||
free blocks after reflinking is in range
|
||||
free blocks after partially CoWing some copies is in range
|
||||
free blocks after CoWing all copies is in range
|
||||
free blocks after overwriting original is in range
|
||||
free blocks after all tests is in range
|
||||
Executable
+114
@@ -0,0 +1,114 @@
|
||||
#! /bin/bash
|
||||
# FS QA Test No. 155
|
||||
#
|
||||
# Ensure that CoW on all copies of a file reflinked N times increases block count
|
||||
# - Record fs block usage (0)
|
||||
# - Create a file and some reflink copies
|
||||
# - Record fs block usage (1)
|
||||
# - CoW some blocks of the copies
|
||||
# - Record fs block usage (2)
|
||||
# - CoW all the rest of the blocks of the copies
|
||||
# - Compare fs block usage to (2), (1), and (0)
|
||||
#
|
||||
# The main difference from 834 is that we use zero range, directio, and
|
||||
# mmap to mix things up a bit.
|
||||
#
|
||||
#-----------------------------------------------------------------------
|
||||
# Copyright (c) 2015, 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 "$tmp".* "$TESTDIR"
|
||||
}
|
||||
|
||||
# get standard environment, filters and checks
|
||||
. ./common/rc
|
||||
. ./common/filter
|
||||
. ./common/reflink
|
||||
|
||||
# real QA test starts here
|
||||
_supported_os Linux
|
||||
_require_test_reflink
|
||||
_require_cp_reflink
|
||||
_require_xfs_io_command "fzero"
|
||||
|
||||
rm -f "$seqres.full"
|
||||
|
||||
TESTDIR=$TEST_DIR/test-$seq
|
||||
rm -rf $TESTDIR
|
||||
mkdir $TESTDIR
|
||||
|
||||
echo "Create the original file blocks"
|
||||
BLKSZ="$(stat -f "$TESTDIR" -c '%S')"
|
||||
BLKS=2000
|
||||
MARGIN=100
|
||||
SZ=$((BLKSZ * BLKS))
|
||||
FREE_BLOCKS0=$(stat -f "$TESTDIR" -c '%f')
|
||||
NR=4
|
||||
_pwrite_byte 0x61 0 $SZ "$TESTDIR/file1" >> "$seqres.full"
|
||||
_test_remount
|
||||
|
||||
echo "Create the reflink copies"
|
||||
for i in `seq 2 $NR`; do
|
||||
_cp_reflink "$TESTDIR/file1" "$TESTDIR/file$i"
|
||||
done
|
||||
_test_remount
|
||||
FREE_BLOCKS1=$(stat -f "$TESTDIR" -c '%f')
|
||||
|
||||
echo "Rewrite some of the blocks"
|
||||
"$XFS_IO_PROG" -f -c "fzero 0 $SZ" "$TESTDIR/file2" >> "$seqres.full"
|
||||
_pwrite_byte 0x63 0 $((SZ / 2)) "$TESTDIR/file3" -d >> "$seqres.full"
|
||||
_mwrite_byte 0x64 $((SZ / 2)) $((SZ / 2)) $SZ "$TESTDIR/file4" >> "$seqres.full"
|
||||
_test_remount
|
||||
FREE_BLOCKS2=$(stat -f "$TESTDIR" -c '%f')
|
||||
|
||||
echo "Rewrite all the files"
|
||||
_pwrite_byte 0x62 0 $SZ "$TESTDIR/file2" -d >> "$seqres.full"
|
||||
_mwrite_byte 0x63 0 $SZ $SZ "$TESTDIR/file3" >> "$seqres.full"
|
||||
"$XFS_IO_PROG" -f -c "fzero 0 $SZ" $TESTDIR/file4 >> "$seqres.full"
|
||||
_test_remount
|
||||
FREE_BLOCKS3=$(stat -f "$TESTDIR" -c '%f')
|
||||
|
||||
echo "Rewrite the original file"
|
||||
_pwrite_byte 0x65 0 $SZ "$TESTDIR/file1" >> "$seqres.full"
|
||||
_test_remount
|
||||
FREE_BLOCKS4=$(stat -f "$TESTDIR" -c '%f')
|
||||
#echo $FREE_BLOCKS0 $FREE_BLOCKS1 $FREE_BLOCKS2 $FREE_BLOCKS3 $FREE_BLOCKS4
|
||||
|
||||
_within_tolerance "free blocks after reflinking" $FREE_BLOCKS1 $((FREE_BLOCKS0 - BLKS)) $MARGIN -v
|
||||
|
||||
_within_tolerance "free blocks after partially CoWing some copies" $FREE_BLOCKS2 $((FREE_BLOCKS1 - (2 * BLKS))) $MARGIN -v
|
||||
|
||||
_within_tolerance "free blocks after CoWing all copies" $FREE_BLOCKS3 $((FREE_BLOCKS2 - BLKS)) $MARGIN -v
|
||||
|
||||
_within_tolerance "free blocks after overwriting original" $FREE_BLOCKS4 $FREE_BLOCKS3 $MARGIN -v
|
||||
|
||||
_within_tolerance "free blocks after all tests" $FREE_BLOCKS4 $((FREE_BLOCKS0 - (4 * BLKS))) $MARGIN -v
|
||||
|
||||
# success, all done
|
||||
status=0
|
||||
exit
|
||||
@@ -0,0 +1,11 @@
|
||||
QA output created by 155
|
||||
Create the original file blocks
|
||||
Create the reflink copies
|
||||
Rewrite some of the blocks
|
||||
Rewrite all the files
|
||||
Rewrite the original file
|
||||
free blocks after reflinking is in range
|
||||
free blocks after partially CoWing some copies is in range
|
||||
free blocks after CoWing all copies is in range
|
||||
free blocks after overwriting original is in range
|
||||
free blocks after all tests is in range
|
||||
Executable
+124
@@ -0,0 +1,124 @@
|
||||
#! /bin/bash
|
||||
# FS QA Test No. 156
|
||||
#
|
||||
# Ensure that fallocate on reflinked files actually CoWs the shared blocks.
|
||||
# - Record fs block usage (0)
|
||||
# - Create a file and some reflink copies
|
||||
# - Record fs block usage (1)
|
||||
# - funshare half of one of the copies
|
||||
# - Record fs block usage (2)
|
||||
# - funshare all of the copies
|
||||
# - Record fs block usage (3)
|
||||
# - rewrite the original file
|
||||
# - Record fs block usage (4)
|
||||
# - Compare fs block usage of 0-4 to ensure that block usage behaves as
|
||||
# we expect.
|
||||
#
|
||||
# "funshare" refers to fallocate copy-on-writing the shared blocks
|
||||
#
|
||||
#-----------------------------------------------------------------------
|
||||
# Copyright (c) 2015, 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 "$tmp".* "$TESTDIR"
|
||||
}
|
||||
|
||||
# get standard environment, filters and checks
|
||||
. ./common/rc
|
||||
. ./common/filter
|
||||
. ./common/attr
|
||||
. ./common/reflink
|
||||
|
||||
if [ $FSTYP = "btrfs" ]; then
|
||||
_notrun "btrfs doesn't handle unshare on fallocate"
|
||||
fi
|
||||
|
||||
# real QA test starts here
|
||||
_supported_os Linux
|
||||
_require_test_reflink
|
||||
_require_cp_reflink
|
||||
_require_xfs_io_command "falloc"
|
||||
|
||||
rm -f "$seqres.full"
|
||||
|
||||
TESTDIR="$TEST_DIR/test-$seq"
|
||||
rm -rf "$TESTDIR"
|
||||
mkdir "$TESTDIR"
|
||||
|
||||
echo "Create the original file blocks"
|
||||
BLKSZ="$(stat -f "$TESTDIR" -c '%S')"
|
||||
BLKS=2000
|
||||
MARGIN=100
|
||||
SZ=$((BLKSZ * BLKS))
|
||||
FREE_BLOCKS0=$(stat -f "$TESTDIR" -c '%f')
|
||||
NR=4
|
||||
_pwrite_byte 0x61 0 $SZ "$TESTDIR/file1" >> "$seqres.full"
|
||||
_test_remount
|
||||
|
||||
echo "Create the reflink copies"
|
||||
for i in `seq 2 $NR`; do
|
||||
_cp_reflink "$TESTDIR/file1" "$TESTDIR/file$i"
|
||||
done
|
||||
_test_remount
|
||||
FREE_BLOCKS1=$(stat -f "$TESTDIR" -c '%f')
|
||||
|
||||
echo "funshare part of a file"
|
||||
"$XFS_IO_PROG" -f -c "falloc 0 $((SZ / 2))" "$TESTDIR/file2"
|
||||
_test_remount
|
||||
|
||||
echo "funshare some of the copies"
|
||||
"$XFS_IO_PROG" -f -c "falloc 0 $SZ" "$TESTDIR/file2"
|
||||
"$XFS_IO_PROG" -f -c "falloc 0 $SZ" "$TESTDIR/file3"
|
||||
_test_remount
|
||||
FREE_BLOCKS2=$(stat -f "$TESTDIR" -c '%f')
|
||||
|
||||
echo "funshare the rest of the files"
|
||||
"$XFS_IO_PROG" -f -c "falloc 0 $SZ" "$TESTDIR/file4"
|
||||
"$XFS_IO_PROG" -f -c "falloc 0 $SZ" "$TESTDIR/file1"
|
||||
_test_remount
|
||||
FREE_BLOCKS3=$(stat -f "$TESTDIR" -c '%f')
|
||||
|
||||
echo "Rewrite the original file"
|
||||
_pwrite_byte 0x65 0 $SZ "$TESTDIR/file1" >> "$seqres.full"
|
||||
_test_remount
|
||||
FREE_BLOCKS4=$(stat -f "$TESTDIR" -c '%f')
|
||||
#echo $FREE_BLOCKS0 $FREE_BLOCKS1 $FREE_BLOCKS2 $FREE_BLOCKS3 $FREE_BLOCKS4
|
||||
|
||||
_within_tolerance "free blocks after reflinking" $FREE_BLOCKS1 $((FREE_BLOCKS0 - BLKS)) $MARGIN -v
|
||||
|
||||
_within_tolerance "free blocks after nocow'ing some copies" $FREE_BLOCKS2 $((FREE_BLOCKS1 - (2 * BLKS))) $MARGIN -v
|
||||
|
||||
_within_tolerance "free blocks after nocow'ing all copies" $FREE_BLOCKS3 $((FREE_BLOCKS2 - BLKS)) $MARGIN -v
|
||||
|
||||
_within_tolerance "free blocks after overwriting original" $FREE_BLOCKS4 $FREE_BLOCKS3 $MARGIN -v
|
||||
|
||||
_within_tolerance "free blocks after all tests" $FREE_BLOCKS4 $((FREE_BLOCKS0 - (4 * BLKS))) $MARGIN -v
|
||||
|
||||
# success, all done
|
||||
status=0
|
||||
exit
|
||||
@@ -0,0 +1,12 @@
|
||||
QA output created by 156
|
||||
Create the original file blocks
|
||||
Create the reflink copies
|
||||
funshare part of a file
|
||||
funshare some of the copies
|
||||
funshare the rest of the files
|
||||
Rewrite the original file
|
||||
free blocks after reflinking is in range
|
||||
free blocks after nocow'ing some copies is in range
|
||||
free blocks after nocow'ing all copies is in range
|
||||
free blocks after overwriting original is in range
|
||||
free blocks after all tests is in range
|
||||
@@ -152,6 +152,13 @@
|
||||
147 auto quick clone
|
||||
148 auto quick clone
|
||||
149 auto quick clone
|
||||
150 auto quick clone
|
||||
151 auto quick clone
|
||||
152 auto quick clone
|
||||
153 auto quick clone
|
||||
154 auto quick clone
|
||||
155 auto quick clone
|
||||
156 auto quick clone
|
||||
169 rw metadata auto quick
|
||||
184 metadata auto quick
|
||||
192 atime auto
|
||||
|
||||
Reference in New Issue
Block a user