| Message ID | 54F861F3.9000805@plexistor.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
I again forgot to CC: fstests@vger.kernel.org Thanks Boaz On 03/05/2015 04:02 PM, Boaz Harrosh wrote: > From: Dave Chinner <dchinner@redhat.com> > > when using mmap() for file i/o, writing to the file should update > it's c/mtime. Specifically if we first mmap-read from a page, then > memap-write to the same page. > > This test was failing for the initial submission of DAX because > pfn based mapping do not have an page_mkwrite called for them. > The new Kernel patches that introduce pfn_mkwrite fixes this test. > > Written by Dave Chinner but edited and tested by: > Omer Zilberberg > > Tested-by: Omer Zilberberg <omzg@plexistor.com> > Signed-off-by: Omer Zilberberg <omzg@plexistor.com> > Signed-off-by: Boaz Harrosh <boaz@plexistor.com> > --- > Dave hands-up man, it looks like you edited this directly > in the email, but there was not even a single typo. > > We have tested this both with and without the pfn_mkwrite patch. > And it works as expected fails without and success with. > > Thanks > > tests/generic/080 | 79 +++++++++++++++++++++++++++++++++++++++++++++++++++ > tests/generic/080.out | 2 ++ > tests/generic/group | 1 + > 3 files changed, 82 insertions(+) > create mode 100755 tests/generic/080 > create mode 100644 tests/generic/080.out > > diff --git a/tests/generic/080 b/tests/generic/080 > new file mode 100755 > index 0000000..2bc580d > --- /dev/null > +++ b/tests/generic/080 > @@ -0,0 +1,79 @@ > +#! /bin/bash > +# FS QA Test No. 080 > +# > +# Verify that mtime is updated when writing to mmap-ed pages > +# > +#----------------------------------------------------------------------- > +# 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=0 > +trap "_cleanup; exit \$status" 0 1 2 3 15 > + > +_cleanup() > +{ > + cd / > + rm -f $tmp.* > + rm -f $TEST_DIR/mmap_mtime_testfile > +} > + > +# get standard environment, filters and checks > +. ./common/rc > +. ./common/filter > + > +# real QA test starts here > + > +# Modify as appropriate. > +_supported_fs generic > +_supported_os IRIX Linux > +_require_test > + > +echo "Silence is golden." > +rm -f $seqres.full > + > +# pattern the file. > +testfile=$TEST_DIR/mmap_mtime_testfile > +$XFS_IO_PROG -f -c "pwrite 0 4k" -c fsync $testfile >> $seqres.full > + > +# sample timestamps. > +mtime1=`stat -c %Y $testfile` > +ctime1=`stat -c %Z $testfile` > +echo "before mwrite: $mtime1 $ctime1" >> $seqres.full > + > +# map read followed by map write to trigger timestamp change > +sleep 2 > +$XFS_IO_PROG -c "mmap 0 4k" -c "mread 0 4k" -c "mwrite 0 4k" $testfile |_filter_xfs_io >> $seqres.full > + > +# sample and verify that timestamps have changed. > +mtime2=`stat -c %Y $testfile` > +ctime2=`stat -c %Z $testfile` > +echo "after mwrite : $mtime2 $ctime2" >> $seqres.full > + > +if [ "$mtime1" == "$mtime2" ]; then > + echo "mtime not updated" > + let status=$status+1 > +fi > +if [ "$ctime1" == "$ctime2" ]; then > + echo "ctime not updated" > + let status=$status+1 > +fi > + > +exit > diff --git a/tests/generic/080.out b/tests/generic/080.out > new file mode 100644 > index 0000000..cccac52 > --- /dev/null > +++ b/tests/generic/080.out > @@ -0,0 +1,2 @@ > +QA output created by 080 > +Silence is golden. > diff --git a/tests/generic/group b/tests/generic/group > index 11ce3e4..7ee5cdc 100644 > --- a/tests/generic/group > +++ b/tests/generic/group > @@ -77,6 +77,7 @@ > 076 metadata rw udf auto quick stress > 077 acl attr auto enospc > 079 acl attr ioctl metadata auto quick > +080 auto quick > 083 rw auto enospc stress > 088 perms auto quick > 089 metadata auto >
diff --git a/tests/generic/080 b/tests/generic/080 new file mode 100755 index 0000000..2bc580d --- /dev/null +++ b/tests/generic/080 @@ -0,0 +1,79 @@ +#! /bin/bash +# FS QA Test No. 080 +# +# Verify that mtime is updated when writing to mmap-ed pages +# +#----------------------------------------------------------------------- +# 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=0 +trap "_cleanup; exit \$status" 0 1 2 3 15 + +_cleanup() +{ + cd / + rm -f $tmp.* + rm -f $TEST_DIR/mmap_mtime_testfile +} + +# get standard environment, filters and checks +. ./common/rc +. ./common/filter + +# real QA test starts here + +# Modify as appropriate. +_supported_fs generic +_supported_os IRIX Linux +_require_test + +echo "Silence is golden." +rm -f $seqres.full + +# pattern the file. +testfile=$TEST_DIR/mmap_mtime_testfile +$XFS_IO_PROG -f -c "pwrite 0 4k" -c fsync $testfile >> $seqres.full + +# sample timestamps. +mtime1=`stat -c %Y $testfile` +ctime1=`stat -c %Z $testfile` +echo "before mwrite: $mtime1 $ctime1" >> $seqres.full + +# map read followed by map write to trigger timestamp change +sleep 2 +$XFS_IO_PROG -c "mmap 0 4k" -c "mread 0 4k" -c "mwrite 0 4k" $testfile |_filter_xfs_io >> $seqres.full + +# sample and verify that timestamps have changed. +mtime2=`stat -c %Y $testfile` +ctime2=`stat -c %Z $testfile` +echo "after mwrite : $mtime2 $ctime2" >> $seqres.full + +if [ "$mtime1" == "$mtime2" ]; then + echo "mtime not updated" + let status=$status+1 +fi +if [ "$ctime1" == "$ctime2" ]; then + echo "ctime not updated" + let status=$status+1 +fi + +exit diff --git a/tests/generic/080.out b/tests/generic/080.out new file mode 100644 index 0000000..cccac52 --- /dev/null +++ b/tests/generic/080.out @@ -0,0 +1,2 @@ +QA output created by 080 +Silence is golden. diff --git a/tests/generic/group b/tests/generic/group index 11ce3e4..7ee5cdc 100644 --- a/tests/generic/group +++ b/tests/generic/group @@ -77,6 +77,7 @@ 076 metadata rw udf auto quick stress 077 acl attr auto enospc 079 acl attr ioctl metadata auto quick +080 auto quick 083 rw auto enospc stress 088 perms auto quick 089 metadata auto