Tests the XFS_IOC_ZERO_RANGE ioctl by way of the "xfs_io zero" utility
to ensure it is tossing the expected ranges.
The ranges tested are [0,1] [0,4095] [0,4096] [0,4097] [4095,8191]
[4095,8192] [4095,8193] [4096,8192] [1024,4096]
Signed-off-by: Andrew Dahl <adahl@xxxxxxx>
---
Index: xfstests/290
===================================================================
--- /dev/null
+++ xfstests/290
@@ -0,0 +1,94 @@
+#! /bin/bash
+# FS QA Test No. 290
+#
+# Makes calls to XFS_IOC_ZERO_RANGE and checks tossed ranges
+#
+# Nothing should be tossed unless the range includes a page boundry
+#
+# Primarily tests page boundries and boundries that are
+# off-by-one to ensure we're only tossing what's expected
+#
+#-----------------------------------------------------------------------
+# 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/$$
+status=1 # failure is the default!
+trap "exit \$status" 0 1 2 3 15
+
+# get standard environment, filters and checks
+. ./common.rc
+. ./common.filter
+
+# real QA test starts here
+
+# Modify as appropriate.
+_supported_fs xfs
+_supported_os Linux
+
+_require_xfs_io_zero
+
+testfile=$TEST_DIR/290.$$
+
+test_zero()
+{
+ zero_start=$1
+ zero_len=$2
+
+ $XFS_IO_PROG -f -t -c "pwrite -S 0x41 0 4096" \
+ -c "pwrite -S 0x42 4096 4096" \
+ -c "zero $zero_start $zero_len" \
+ -c "pread -v 0 8192" \
+ $testfile | _filter_xfs_io_unique
+}
+
+# [0,1] -- Shouldn't toss anything
+test_zero 0 1
+
+#[0,4095] -- Shouldn't toss anything
+test_zero 0 4095
+
+#[0,4096] -- Should toss first page
+test_zero 0 4096
+
+#[0,4097] -- Should toss first page
+test_zero 0 4097
+
+#[4095,8191] -- Should toss last byte of first page
+test_zero 4095 4096
+
+#[4095,8192] -- Should toss second page & last byte of first page
+test_zero 4095 4097
+
+#[4095,8193] -- Should toss second page & last byte of first page
+test_zero 4095 4098
+
+#[4096,8192] -- Should toss second page
+test_zero 4096 4096
+
+#[1024,5120] -- Should toss from 1024 to end of first page
+test_zero 1024 4096
+
+# success, all done
+status=0
+exit
Index: xfstests/290.out
===================================================================
--- /dev/null
+++ xfstests/290.out
@@ -0,0 +1,96 @@
+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: 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: 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
+*
+00000ff0: 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 00 AAAAAAAAAAAAAAA.
+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
+*
+00000ff0: 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 00 AAAAAAAAAAAAAAA.
+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
+*
+00000ff0: 41 41 41 41 41 41 41 41 41 41 41 41 41 41 41 00 AAAAAAAAAAAAAAA.
+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
+*
+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 rw prealloc quick ioctl
Index: xfstests/common.rc
===================================================================
--- xfstests.orig/common.rc
+++ xfstests/common.rc
@@ -957,6 +957,14 @@ _user_do()
fi
}
+# check that xfs_io, kernel, and filesystem all support zero
+_require_xfs_io_zero()
+{
+ testio=`$XFS_IO_PROG -c "zero help" 2>&1`
+ echo $testio | grep -q 'command "zero" not found' && \
+ _notrun "zero command not supported"
+}
+
# check that xfs_io, glibc, kernel, and filesystem all (!) support
# fallocate
#
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