* [PATCH 1/2] common/rc: add functions to check or write objects under /sys/fs/$FSTYP
@ 2016-08-19 17:51 ` Zorro Lang
0 siblings, 0 replies; 6+ messages in thread
From: Zorro Lang @ 2016-08-19 17:51 UTC (permalink / raw)
To: fstests; +Cc: xfs, Zorro Lang
XFS add more configurations in /sys/fs/xfs recently. For use
them, this patch add some common functions for:
1. "require" a file/dir in /sys/fs/${FSTYP}.
2. write a file in /sys/fs/${FSTYP}.
For common use, these functions can be used by other filesystems.
Signed-off-by: Zorro Lang <zlang@redhat.com>
---
common/rc | 42 ++++++++++++++++++++++++++++++++++++++++++
1 file changed, 42 insertions(+)
diff --git a/common/rc b/common/rc
index 51092a0..d5edfef 100644
--- a/common/rc
+++ b/common/rc
@@ -3556,6 +3556,48 @@ run_fsx()
fi
}
+# Test for the existence of a sysfs entry at /sys/fs/$FSTYP/$DEV/$ENTRY
+_require_fs_sysfs()
+{
+ local dev=$1
+ local entry=$2
+ local tmp_mnt=`mktemp -d`
+
+ if [ ! -b "$dev" -o -z "$entry" ];then
+ _fail "Usage: _require_fs_sysfs <device> <sysfs_path>"
+ fi
+
+ local dname=$(_short_dev $dev)
+ _mount -t $FSTYP `_common_dev_mount_options` $dev $tmp_mnt
+ if [ $? -ne 0 ];then
+ rm -f $tmp_mnt
+ _fail "_require_fs_sysfs: could not mount, mkfs first in your test?"
+ elif [ ! -e /sys/fs/${FSTYP}/${dname}/${entry} ];then
+ $UMOUNT_PROG $tmp_mnt
+ rm -f $tmp_mnt
+ _notrun "/sys/fs/${FSTYP}/${dname}/${entry}: No such file or directory"
+ fi
+ $UMOUNT_PROG $tmp_mnt
+ rm -rf $tmp_mnt
+}
+
+# Write "content" into /sys/fs/$FSTYP/$DEV/$ENTRY
+_set_fs_sysfs_param()
+{
+ local dev=$1
+ shift
+ local entry=$1
+ shift
+ local content="$*"
+
+ if [ ! -b "$dev" -o -z "$entry" -o -z "$content" ];then
+ _fail "Usage: _set_sys_fs_param <mounted_device> <entry> <content>"
+ fi
+
+ local dname=$(_short_dev $dev)
+ echo "$content" > /sys/fs/${FSTYP}/${dname}/${entry}
+}
+
init_rc
################################################################################
--
2.5.5
^ permalink raw reply related [flat|nested] 6+ messages in thread* [PATCH 1/2] common/rc: add functions to check or write objects under /sys/fs/$FSTYP @ 2016-08-19 17:51 ` Zorro Lang 0 siblings, 0 replies; 6+ messages in thread From: Zorro Lang @ 2016-08-19 17:51 UTC (permalink / raw) To: fstests; +Cc: Zorro Lang, xfs XFS add more configurations in /sys/fs/xfs recently. For use them, this patch add some common functions for: 1. "require" a file/dir in /sys/fs/${FSTYP}. 2. write a file in /sys/fs/${FSTYP}. For common use, these functions can be used by other filesystems. Signed-off-by: Zorro Lang <zlang@redhat.com> --- common/rc | 42 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 42 insertions(+) diff --git a/common/rc b/common/rc index 51092a0..d5edfef 100644 --- a/common/rc +++ b/common/rc @@ -3556,6 +3556,48 @@ run_fsx() fi } +# Test for the existence of a sysfs entry at /sys/fs/$FSTYP/$DEV/$ENTRY +_require_fs_sysfs() +{ + local dev=$1 + local entry=$2 + local tmp_mnt=`mktemp -d` + + if [ ! -b "$dev" -o -z "$entry" ];then + _fail "Usage: _require_fs_sysfs <device> <sysfs_path>" + fi + + local dname=$(_short_dev $dev) + _mount -t $FSTYP `_common_dev_mount_options` $dev $tmp_mnt + if [ $? -ne 0 ];then + rm -f $tmp_mnt + _fail "_require_fs_sysfs: could not mount, mkfs first in your test?" + elif [ ! -e /sys/fs/${FSTYP}/${dname}/${entry} ];then + $UMOUNT_PROG $tmp_mnt + rm -f $tmp_mnt + _notrun "/sys/fs/${FSTYP}/${dname}/${entry}: No such file or directory" + fi + $UMOUNT_PROG $tmp_mnt + rm -rf $tmp_mnt +} + +# Write "content" into /sys/fs/$FSTYP/$DEV/$ENTRY +_set_fs_sysfs_param() +{ + local dev=$1 + shift + local entry=$1 + shift + local content="$*" + + if [ ! -b "$dev" -o -z "$entry" -o -z "$content" ];then + _fail "Usage: _set_sys_fs_param <mounted_device> <entry> <content>" + fi + + local dname=$(_short_dev $dev) + echo "$content" > /sys/fs/${FSTYP}/${dname}/${entry} +} + init_rc ################################################################################ -- 2.5.5 _______________________________________________ xfs mailing list xfs@oss.sgi.com http://oss.sgi.com/mailman/listinfo/xfs ^ permalink raw reply related [flat|nested] 6+ messages in thread
* [PATCH 2/2] fstests: xfs EIO error handling test 2016-08-19 17:51 ` Zorro Lang @ 2016-08-19 17:51 ` Zorro Lang -1 siblings, 0 replies; 6+ messages in thread From: Zorro Lang @ 2016-08-19 17:51 UTC (permalink / raw) To: fstests; +Cc: xfs, Zorro Lang Besides fail_at_unmount, all EIO error handling can stop umount hanging on IO error too. This case test EIO/max_retries and EIO/retry_timeout_seconds as below: 1) fail_at_unmount=0 && \ EIO/max_retries=1 && \ EIO/retry_timeout_seconds=0 2) fail_at_unmount=0 && \ EIO/max_retries=-1 && \ EIO/retry_timeout_seconds=1 Make sure when fail_at_unmount=0, umount won't hang there. Signed-off-by: Zorro Lang <zlang@redhat.com> --- tests/xfs/263 | 126 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ tests/xfs/263.out | 21 +++++++++ tests/xfs/group | 1 + 3 files changed, 148 insertions(+) create mode 100755 tests/xfs/263 create mode 100644 tests/xfs/263.out diff --git a/tests/xfs/263 b/tests/xfs/263 new file mode 100755 index 0000000..2df139c --- /dev/null +++ b/tests/xfs/263 @@ -0,0 +1,126 @@ +#! /bin/bash +# FS QA Test 263 +# +# Test XFS EIO error handling configuration. Stop XFS from retrying +# to writeback forever when hit EIO. +# +#----------------------------------------------------------------------- +# Copyright (c) 2016 Red Hat, Inc. 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 -f $tmp.* + _dmerror_cleanup +} + +# get standard environment, filters and checks +. ./common/rc +. ./common/filter +. ./common/dmerror + +# remove previous $seqres.full before test +rm -f $seqres.full + +# real QA test starts here +_supported_fs xfs +_supported_os Linux +_require_dm_target error +_require_scratch +_require_fs_sysfs error/fail_at_unmount +_require_fs_sysfs error/metadata/EIO/max_retries +_require_fs_sysfs error/metadata/EIO/retry_timeout_seconds + +_scratch_mkfs >> $seqres.full 2>&1 +_dmerror_init + +do_test() +{ + local attr="$1" + local num=0 + + _dmerror_mount + reset_xfs_sysfs_error_handling $DMERROR_DEV + # Disable fail_at_unmount before test EIO error handling + _set_fs_sysfs_attr $DMERROR_DEV error/fail_at_unmount 0 + echo -n "error/fail_at_unmount=" + _get_fs_sysfs_attr $DMERROR_DEV error/fail_at_unmount + + _set_fs_sysfs_attr $DMERROR_DEV $attr 1 + num=`_get_fs_sysfs_attr $DMERROR_DEV $attr` + echo "$attr=$num" + # _fail the test if we fail to set $attr to 1, because the test + # probably will hang in such case and block subsequent tests. + if [ "$num" != "1" ]; then + _fail "Failed to set $attr: 1" + fi + + # start a metadata-intensive workload, but no data allocation operation. + # Because uncompleted new space allocation I/Os may cause XFS to shutdown + # after loading error table. + $FSSTRESS_PROG -z -n 5000 -p 10 \ + -f creat=10 \ + -f resvsp=1 \ + -f truncate=1 \ + -f punch=1 \ + -f chown=5 \ + -f mkdir=5 \ + -f rmdir=1 \ + -f mknod=1 \ + -f unlink=1 \ + -f symlink=1 \ + -f rename=1 \ + -d $SCRATCH_MNT/fsstress >> $seqres.full 2>&1 + + # Loading error table without "--nolockfs" option. Because "--nolockfs" + # won't freeze fs, then some running I/Os may cause XFS to shutdown + # prematurely. That's not what we want to test. + _dmerror_load_error_table lockfs + _dmerror_unmount + + # Mount again to replay log after loading working table, so we have a + # consistent XFS after test. + _dmerror_load_working_table + _dmerror_mount + _dmerror_unmount +} + +#### Test EIO/max_retries #### +# Set EIO/max_retries a limited number(>-1), then even if fail_at_unmount=0, +# the test won't hang. +echo "=== Test EIO/max_retries ===" +do_test error/metadata/EIO/max_retries + +#### Test EIO/retry_timeout_seconds #### +# Set EIO/retry_timeout_seconds to a limited number(>0), then even if +# fail_at_unmount=0, the test won't hang. +echo "=== Test EIO/retry_timeout_seconds ===" +do_test error/metadata/EIO/retry_timeout_seconds + +# success, all done +status=0 +exit diff --git a/tests/xfs/263.out b/tests/xfs/263.out new file mode 100644 index 0000000..714350f --- /dev/null +++ b/tests/xfs/263.out @@ -0,0 +1,21 @@ +QA output created by 263 +=== Test EIO/max_retries === +error/fail_at_unmount=1 +error/metadata/default/max_retries=-1 +error/metadata/default/retry_timeout_seconds=0 +error/metadata/EIO/max_retries=-1 +error/metadata/EIO/retry_timeout_seconds=0 +error/metadata/ENOSPC/max_retries=-1 +error/metadata/ENOSPC/retry_timeout_seconds=0 +error/fail_at_unmount=0 +error/metadata/EIO/max_retries=1 +=== Test EIO/retry_timeout_seconds === +error/fail_at_unmount=1 +error/metadata/default/max_retries=-1 +error/metadata/default/retry_timeout_seconds=0 +error/metadata/EIO/max_retries=-1 +error/metadata/EIO/retry_timeout_seconds=0 +error/metadata/ENOSPC/max_retries=-1 +error/metadata/ENOSPC/retry_timeout_seconds=0 +error/fail_at_unmount=0 +error/metadata/EIO/retry_timeout_seconds=1 diff --git a/tests/xfs/group b/tests/xfs/group index 6905a62..ec3c022 100644 --- a/tests/xfs/group +++ b/tests/xfs/group @@ -260,6 +260,7 @@ 260 auto quick quota 261 auto quick quota 262 auto quick quota +263 auto quick mount 265 auto clone 266 dump ioctl auto quick 267 dump ioctl tape -- 2.7.4 ^ permalink raw reply related [flat|nested] 6+ messages in thread
* [PATCH 2/2] fstests: xfs EIO error handling test @ 2016-08-19 17:51 ` Zorro Lang 0 siblings, 0 replies; 6+ messages in thread From: Zorro Lang @ 2016-08-19 17:51 UTC (permalink / raw) To: fstests; +Cc: Zorro Lang, xfs Besides fail_at_unmount, all EIO error handling can stop umount hanging on IO error too. This case test EIO/max_retries and EIO/retry_timeout_seconds as below: 1) fail_at_unmount=0 && \ EIO/max_retries=1 && \ EIO/retry_timeout_seconds=0 2) fail_at_unmount=0 && \ EIO/max_retries=-1 && \ EIO/retry_timeout_seconds=1 Make sure when fail_at_unmount=0, umount won't hang there. Signed-off-by: Zorro Lang <zlang@redhat.com> --- tests/xfs/263 | 126 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ tests/xfs/263.out | 21 +++++++++ tests/xfs/group | 1 + 3 files changed, 148 insertions(+) create mode 100755 tests/xfs/263 create mode 100644 tests/xfs/263.out diff --git a/tests/xfs/263 b/tests/xfs/263 new file mode 100755 index 0000000..2df139c --- /dev/null +++ b/tests/xfs/263 @@ -0,0 +1,126 @@ +#! /bin/bash +# FS QA Test 263 +# +# Test XFS EIO error handling configuration. Stop XFS from retrying +# to writeback forever when hit EIO. +# +#----------------------------------------------------------------------- +# Copyright (c) 2016 Red Hat, Inc. 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 -f $tmp.* + _dmerror_cleanup +} + +# get standard environment, filters and checks +. ./common/rc +. ./common/filter +. ./common/dmerror + +# remove previous $seqres.full before test +rm -f $seqres.full + +# real QA test starts here +_supported_fs xfs +_supported_os Linux +_require_dm_target error +_require_scratch +_require_fs_sysfs error/fail_at_unmount +_require_fs_sysfs error/metadata/EIO/max_retries +_require_fs_sysfs error/metadata/EIO/retry_timeout_seconds + +_scratch_mkfs >> $seqres.full 2>&1 +_dmerror_init + +do_test() +{ + local attr="$1" + local num=0 + + _dmerror_mount + reset_xfs_sysfs_error_handling $DMERROR_DEV + # Disable fail_at_unmount before test EIO error handling + _set_fs_sysfs_attr $DMERROR_DEV error/fail_at_unmount 0 + echo -n "error/fail_at_unmount=" + _get_fs_sysfs_attr $DMERROR_DEV error/fail_at_unmount + + _set_fs_sysfs_attr $DMERROR_DEV $attr 1 + num=`_get_fs_sysfs_attr $DMERROR_DEV $attr` + echo "$attr=$num" + # _fail the test if we fail to set $attr to 1, because the test + # probably will hang in such case and block subsequent tests. + if [ "$num" != "1" ]; then + _fail "Failed to set $attr: 1" + fi + + # start a metadata-intensive workload, but no data allocation operation. + # Because uncompleted new space allocation I/Os may cause XFS to shutdown + # after loading error table. + $FSSTRESS_PROG -z -n 5000 -p 10 \ + -f creat=10 \ + -f resvsp=1 \ + -f truncate=1 \ + -f punch=1 \ + -f chown=5 \ + -f mkdir=5 \ + -f rmdir=1 \ + -f mknod=1 \ + -f unlink=1 \ + -f symlink=1 \ + -f rename=1 \ + -d $SCRATCH_MNT/fsstress >> $seqres.full 2>&1 + + # Loading error table without "--nolockfs" option. Because "--nolockfs" + # won't freeze fs, then some running I/Os may cause XFS to shutdown + # prematurely. That's not what we want to test. + _dmerror_load_error_table lockfs + _dmerror_unmount + + # Mount again to replay log after loading working table, so we have a + # consistent XFS after test. + _dmerror_load_working_table + _dmerror_mount + _dmerror_unmount +} + +#### Test EIO/max_retries #### +# Set EIO/max_retries a limited number(>-1), then even if fail_at_unmount=0, +# the test won't hang. +echo "=== Test EIO/max_retries ===" +do_test error/metadata/EIO/max_retries + +#### Test EIO/retry_timeout_seconds #### +# Set EIO/retry_timeout_seconds to a limited number(>0), then even if +# fail_at_unmount=0, the test won't hang. +echo "=== Test EIO/retry_timeout_seconds ===" +do_test error/metadata/EIO/retry_timeout_seconds + +# success, all done +status=0 +exit diff --git a/tests/xfs/263.out b/tests/xfs/263.out new file mode 100644 index 0000000..714350f --- /dev/null +++ b/tests/xfs/263.out @@ -0,0 +1,21 @@ +QA output created by 263 +=== Test EIO/max_retries === +error/fail_at_unmount=1 +error/metadata/default/max_retries=-1 +error/metadata/default/retry_timeout_seconds=0 +error/metadata/EIO/max_retries=-1 +error/metadata/EIO/retry_timeout_seconds=0 +error/metadata/ENOSPC/max_retries=-1 +error/metadata/ENOSPC/retry_timeout_seconds=0 +error/fail_at_unmount=0 +error/metadata/EIO/max_retries=1 +=== Test EIO/retry_timeout_seconds === +error/fail_at_unmount=1 +error/metadata/default/max_retries=-1 +error/metadata/default/retry_timeout_seconds=0 +error/metadata/EIO/max_retries=-1 +error/metadata/EIO/retry_timeout_seconds=0 +error/metadata/ENOSPC/max_retries=-1 +error/metadata/ENOSPC/retry_timeout_seconds=0 +error/fail_at_unmount=0 +error/metadata/EIO/retry_timeout_seconds=1 diff --git a/tests/xfs/group b/tests/xfs/group index 6905a62..ec3c022 100644 --- a/tests/xfs/group +++ b/tests/xfs/group @@ -260,6 +260,7 @@ 260 auto quick quota 261 auto quick quota 262 auto quick quota +263 auto quick mount 265 auto clone 266 dump ioctl auto quick 267 dump ioctl tape -- 2.7.4 _______________________________________________ xfs mailing list xfs@oss.sgi.com http://oss.sgi.com/mailman/listinfo/xfs ^ permalink raw reply related [flat|nested] 6+ messages in thread
* Re: [PATCH 1/2] common/rc: add functions to check or write objects under /sys/fs/$FSTYP 2016-08-19 17:51 ` Zorro Lang @ 2016-08-19 17:55 ` Zirong Lang -1 siblings, 0 replies; 6+ messages in thread From: Zirong Lang @ 2016-08-19 17:55 UTC (permalink / raw) To: fstests; +Cc: xfs Sorry, I sent wrong patch. Please ignore this patch. This's not the real [PATCH 1/2]. I'll resend both patches later. Thanks, Zorro ----- 原始邮件 ----- > 发件人: "Zorro Lang" <zlang@redhat.com> > 收件人: fstests@vger.kernel.org > 抄送: xfs@oss.sgi.com, "Zorro Lang" <zlang@redhat.com> > 发送时间: 星期六, 2016年 8 月 20日 上午 1:51:44 > 主题: [PATCH 1/2] common/rc: add functions to check or write objects under /sys/fs/$FSTYP > > XFS add more configurations in /sys/fs/xfs recently. For use > them, this patch add some common functions for: > 1. "require" a file/dir in /sys/fs/${FSTYP}. > 2. write a file in /sys/fs/${FSTYP}. > > For common use, these functions can be used by other filesystems. > > Signed-off-by: Zorro Lang <zlang@redhat.com> > --- > common/rc | 42 ++++++++++++++++++++++++++++++++++++++++++ > 1 file changed, 42 insertions(+) > > diff --git a/common/rc b/common/rc > index 51092a0..d5edfef 100644 > --- a/common/rc > +++ b/common/rc > @@ -3556,6 +3556,48 @@ run_fsx() > fi > } > > +# Test for the existence of a sysfs entry at /sys/fs/$FSTYP/$DEV/$ENTRY > +_require_fs_sysfs() > +{ > + local dev=$1 > + local entry=$2 > + local tmp_mnt=`mktemp -d` > + > + if [ ! -b "$dev" -o -z "$entry" ];then > + _fail "Usage: _require_fs_sysfs <device> <sysfs_path>" > + fi > + > + local dname=$(_short_dev $dev) > + _mount -t $FSTYP `_common_dev_mount_options` $dev $tmp_mnt > + if [ $? -ne 0 ];then > + rm -f $tmp_mnt > + _fail "_require_fs_sysfs: could not mount, mkfs first in your test?" > + elif [ ! -e /sys/fs/${FSTYP}/${dname}/${entry} ];then > + $UMOUNT_PROG $tmp_mnt > + rm -f $tmp_mnt > + _notrun "/sys/fs/${FSTYP}/${dname}/${entry}: No such file or directory" > + fi > + $UMOUNT_PROG $tmp_mnt > + rm -rf $tmp_mnt > +} > + > +# Write "content" into /sys/fs/$FSTYP/$DEV/$ENTRY > +_set_fs_sysfs_param() > +{ > + local dev=$1 > + shift > + local entry=$1 > + shift > + local content="$*" > + > + if [ ! -b "$dev" -o -z "$entry" -o -z "$content" ];then > + _fail "Usage: _set_sys_fs_param <mounted_device> <entry> <content>" > + fi > + > + local dname=$(_short_dev $dev) > + echo "$content" > /sys/fs/${FSTYP}/${dname}/${entry} > +} > + > init_rc > > ################################################################################ > -- > 2.5.5 > > -- > To unsubscribe from this list: send the line "unsubscribe fstests" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > ^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [PATCH 1/2] common/rc: add functions to check or write objects under /sys/fs/$FSTYP @ 2016-08-19 17:55 ` Zirong Lang 0 siblings, 0 replies; 6+ messages in thread From: Zirong Lang @ 2016-08-19 17:55 UTC (permalink / raw) To: fstests; +Cc: xfs Sorry, I sent wrong patch. Please ignore this patch. This's not the real [PATCH 1/2]. I'll resend both patches later. Thanks, Zorro ----- 原始邮件 ----- > 发件人: "Zorro Lang" <zlang@redhat.com> > 收件人: fstests@vger.kernel.org > 抄送: xfs@oss.sgi.com, "Zorro Lang" <zlang@redhat.com> > 发送时间: 星期六, 2016年 8 月 20日 上午 1:51:44 > 主题: [PATCH 1/2] common/rc: add functions to check or write objects under /sys/fs/$FSTYP > > XFS add more configurations in /sys/fs/xfs recently. For use > them, this patch add some common functions for: > 1. "require" a file/dir in /sys/fs/${FSTYP}. > 2. write a file in /sys/fs/${FSTYP}. > > For common use, these functions can be used by other filesystems. > > Signed-off-by: Zorro Lang <zlang@redhat.com> > --- > common/rc | 42 ++++++++++++++++++++++++++++++++++++++++++ > 1 file changed, 42 insertions(+) > > diff --git a/common/rc b/common/rc > index 51092a0..d5edfef 100644 > --- a/common/rc > +++ b/common/rc > @@ -3556,6 +3556,48 @@ run_fsx() > fi > } > > +# Test for the existence of a sysfs entry at /sys/fs/$FSTYP/$DEV/$ENTRY > +_require_fs_sysfs() > +{ > + local dev=$1 > + local entry=$2 > + local tmp_mnt=`mktemp -d` > + > + if [ ! -b "$dev" -o -z "$entry" ];then > + _fail "Usage: _require_fs_sysfs <device> <sysfs_path>" > + fi > + > + local dname=$(_short_dev $dev) > + _mount -t $FSTYP `_common_dev_mount_options` $dev $tmp_mnt > + if [ $? -ne 0 ];then > + rm -f $tmp_mnt > + _fail "_require_fs_sysfs: could not mount, mkfs first in your test?" > + elif [ ! -e /sys/fs/${FSTYP}/${dname}/${entry} ];then > + $UMOUNT_PROG $tmp_mnt > + rm -f $tmp_mnt > + _notrun "/sys/fs/${FSTYP}/${dname}/${entry}: No such file or directory" > + fi > + $UMOUNT_PROG $tmp_mnt > + rm -rf $tmp_mnt > +} > + > +# Write "content" into /sys/fs/$FSTYP/$DEV/$ENTRY > +_set_fs_sysfs_param() > +{ > + local dev=$1 > + shift > + local entry=$1 > + shift > + local content="$*" > + > + if [ ! -b "$dev" -o -z "$entry" -o -z "$content" ];then > + _fail "Usage: _set_sys_fs_param <mounted_device> <entry> <content>" > + fi > + > + local dname=$(_short_dev $dev) > + echo "$content" > /sys/fs/${FSTYP}/${dname}/${entry} > +} > + > init_rc > > ################################################################################ > -- > 2.5.5 > > -- > To unsubscribe from this list: send the line "unsubscribe fstests" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > _______________________________________________ xfs mailing list xfs@oss.sgi.com http://oss.sgi.com/mailman/listinfo/xfs ^ permalink raw reply [flat|nested] 6+ messages in thread
end of thread, other threads:[~2016-08-19 17:55 UTC | newest] Thread overview: 6+ messages (download: mbox.gz follow: Atom feed -- links below jump to the message on this page -- 2016-08-19 17:51 [PATCH 1/2] common/rc: add functions to check or write objects under /sys/fs/$FSTYP Zorro Lang 2016-08-19 17:51 ` Zorro Lang 2016-08-19 17:51 ` [PATCH 2/2] fstests: xfs EIO error handling test Zorro Lang 2016-08-19 17:51 ` Zorro Lang 2016-08-19 17:55 ` [PATCH 1/2] common/rc: add functions to check or write objects under /sys/fs/$FSTYP Zirong Lang 2016-08-19 17:55 ` Zirong Lang
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