Tests xfs_tosspages() to ensure the expected output of tossing various
ranges. It uses the XFS_IOC_ZERO_RANGE ioctl by way of "xfs_io zero"
The ranges tested are [0,4095], [0,4096], [4096,8192], [1024,5120]
Signed-off-by: Andrew Dahl <adahl@xxxxxxx>
---
Index: xfstests/290
===================================================================
--- /dev/null
+++ xfstests/290
@@ -0,0 +1,86 @@
+#! /bin/bash
+# FS QA Test No. 290
+#
+# check xfs_tosspages to ensure it's tossing proper pages
+#
+#-----------------------------------------------------------------------
+# Copyright (c) 2012 SGI. 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
+#-----------------------------------------------------------------------
+#
+# creator
+owner=adahl@xxxxxxx
+
+seq=`basename $0`
+echo "QA output created by $seq"
+
+here=`pwd`
+tmp=/tmp/$$
+status=1 # failure is the default!
+trap "_cleanup; exit \$status" 0 1 2 3 15
+
+_cleanup()
+{
+ rm -f $TEST_DIR/290.*
+}
+
+# get standard environment, filters and checks
+. ./common.rc
+. ./common.filter
+
+# real QA test starts here
+
+# Modify as appropriate.
+_supported_fs xfs
+_supported_os Linux
+
+_test_io_zero()
+{
+ $XFS_IO_PROG -c "zero help" 2>&1 | \
+ grep 'command "zero" not found' > /dev/null
+ echo $?
+}
+
+[ $(_test_io_zero) -eq 0 ] && _notrun "zero command not supported"
+
+testfile=$TEST_DIR/290.$$
+
+$XFS_IO_PROG -F -f -t -c "pwrite -S 0x41 0 4096" \
+ -c "pwrite -S 0x42 4096 4096" \
+ -c "zero 0 4095" \
+ -c "pread -v 0 8192" \
+ $testfile | _filter_xfs_io_unique
+
+$XFS_IO_PROG -F -f -t -c "pwrite -S 0x41 0 4096" \
+ -c "pwrite -S 0x42 4096 4096" \
+ -c "zero 0 4096" \
+ -c "pread -v 0 8192" \
+ $testfile | _filter_xfs_io_unique
+
+$XFS_IO_PROG -F -f -t -c "pwrite -S 0x41 0 4096" \
+ -c "pwrite -S 0x42 4096 4096" \
+ -c "zero 4096 4096" \
+ -c "pread -v 0 8192" \
+ $testfile | _filter_xfs_io_unique
+
+$XFS_IO_PROG -F -f -t -c "pwrite -S 0x41 0 4096" \
+ -c "pwrite -S 0x42 4096 4096" \
+ -c "zero 1024 4096" \
+ -c "pread -v 0 8192" \
+ $testfile | _filter_xfs_io_unique
+
+# success, all done
+status=0
+exit
Index: xfstests/290.out
===================================================================
--- /dev/null
+++ xfstests/290.out
@@ -0,0 +1,43 @@
+QA output created by 290
+wrote 4096/4096 bytes at offset 0
+XXX Bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+wrote 4096/4096 bytes at offset 4096
+XXX Bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+00000000: 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 AAAAAAAAAAAAAAAA
+*
+00001000: 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 BBBBBBBBBBBBBBBB
+*
+read 8192/8192 bytes at offset 0
+XXX Bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+wrote 4096/4096 bytes at offset 0
+XXX Bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+wrote 4096/4096 bytes at offset 4096
+XXX Bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+00000000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
+*
+00001000: 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 BBBBBBBBBBBBBBBB
+*
+read 8192/8192 bytes at offset 0
+XXX Bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+wrote 4096/4096 bytes at offset 0
+XXX Bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+wrote 4096/4096 bytes at offset 4096
+XXX Bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+00000000: 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 AAAAAAAAAAAAAAAA
+*
+00001000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
+*
+read 8192/8192 bytes at offset 0
+XXX Bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+wrote 4096/4096 bytes at offset 0
+XXX Bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+wrote 4096/4096 bytes at offset 4096
+XXX Bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+00000000: 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 AAAAAAAAAAAAAAAA
+*
+00000400: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
+*
+00001000: 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 BBBBBBBBBBBBBBBB
+*
+read 8192/8192 bytes at offset 0
+XXX Bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
Index: xfstests/group
===================================================================
--- xfstests.orig/group
+++ xfstests/group
@@ -408,3 +408,4 @@ deprecated
287 auto dump quota quick
288 auto quick ioctl trim
289 auto quick
+290 auto quick ioctl
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