On Wed, Jan 04, 2017 at 05:17:32PM -0800, Darrick J. Wong wrote: > Move some fuzzing helper functions into a new common/fuzzy file. > We'll add a lot more fuzzing helpers in subsequent patches. > > Signed-off-by: Darrick J. Wong <darrick.wong@xxxxxxxxxx> > --- > common/fuzzy | 83 +++++++++++++++++++++++++++++++++++++++++++++++++++++++ > common/populate | 35 ----------------------- > tests/ext4/006 | 1 + > tests/xfs/083 | 1 + > 4 files changed, 85 insertions(+), 35 deletions(-) > create mode 100644 common/fuzzy > > > diff --git a/common/fuzzy b/common/fuzzy > new file mode 100644 > index 0000000..1cc1d5e > --- /dev/null > +++ b/common/fuzzy > @@ -0,0 +1,83 @@ > +##/bin/bash > + > +# Routines for fuzzing and scrubbing a filesystem. > +# > +#----------------------------------------------------------------------- > +# Copyright (c) 2017 Oracle. 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; either version 2 of the License, or > +# (at your option) any later version. > +# > +# This program is distributed in the hope that it will 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 to the Free Software > +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 > +# USA > +# > +# Contact information: Silicon Graphics, Inc., 1500 Crittenden Lane, > +# Mountain View, CA 94043, USA, or: http://www.sgi.com SGI isn't on Crittenden Lane anymore -- the site has been taken over by some flashy startup company, so this should go away. --D > +#----------------------------------------------------------------------- > + > +# Modify various files after a fuzzing operation > +_scratch_fuzz_modify() { > + nr="$1" > + > + test -z "${nr}" && nr=50000 > + echo "+++ touch ${nr} files" > + blk_sz=$(stat -f -c '%s' ${SCRATCH_MNT}) > + $XFS_IO_PROG -f -c "pwrite -S 0x63 0 ${blk_sz}" "/tmp/afile" > /dev/null > + date="$(date)" > + find "${SCRATCH_MNT}/" -type f 2> /dev/null | head -n "${nr}" | while read f; do > + setfattr -n "user.date" -v "${date}" "$f" > + cat "/tmp/afile" >> "$f" > + mv "$f" "$f.longer" > + done > + sync > + rm -rf "/tmp/afile" > + > + echo "+++ create files" > + mkdir -p "${SCRATCH_MNT}/test.moo" > + $XFS_IO_PROG -f -c 'pwrite -S 0x80 0 65536' "${SCRATCH_MNT}/test.moo/urk" > + sync > + > + echo "+++ remove files" > + rm -rf "${SCRATCH_MNT}/test.moo" > +} > + > +# Try to access files after fuzzing > +_scratch_fuzz_test() { > + echo "+++ ls -laR" >> $seqres.full > + ls -laR "${SCRATCH_MNT}/test.1/" >/dev/null 2>&1 > + > + echo "+++ cat files" >> $seqres.full > + (find "${SCRATCH_MNT}/test.1/" -type f -size -1048576k -print0 | xargs -0 cat) >/dev/null 2>&1 > +} > + > +# Do we have an online scrub program? > +_require_scrub() { > + case "${FSTYP}" in > + "xfs"|"ext4") > + test -x $XFS_SCRUB_PROG || _notrun "xfs_scrub not found" > + ;; > + *) > + _notrun "No online scrub program for ${FSTYP}." > + ;; > + esac > +} > + > +# Scrub the scratch filesystem metadata (online) > +_scratch_scrub() { > + case "${FSTYP}" in > + "xfs"|"ext4"|"ext3"|"ext2") > + $XFS_SCRUB_PROG -d -T -v "$@" $SCRATCH_MNT > + ;; > + *) > + _fail "No online scrub program for ${FSTYP}." > + ;; > + esac > +} > diff --git a/common/populate b/common/populate > index 5808bc9..f012173 100644 > --- a/common/populate > +++ b/common/populate > @@ -606,41 +606,6 @@ _scratch_populate() { > esac > } > > -# Modify various files after a fuzzing operation > -_scratch_fuzz_modify() { > - nr="$1" > - > - test -z "${nr}" && nr=50000 > - echo "+++ touch ${nr} files" > - blk_sz=$(stat -f -c '%s' ${SCRATCH_MNT}) > - $XFS_IO_PROG -f -c "pwrite -S 0x63 0 ${blk_sz}" "/tmp/afile" > /dev/null > - date="$(date)" > - find "${SCRATCH_MNT}/" -type f 2> /dev/null | head -n "${nr}" | while read f; do > - setfattr -n "user.date" -v "${date}" "$f" > - cat "/tmp/afile" >> "$f" > - mv "$f" "$f.longer" > - done > - sync > - rm -rf "/tmp/afile" > - > - echo "+++ create files" > - mkdir -p "${SCRATCH_MNT}/test.moo" > - $XFS_IO_PROG -f -c 'pwrite -S 0x80 0 65536' "${SCRATCH_MNT}/test.moo/urk" > - sync > - > - echo "+++ remove files" > - rm -rf "${SCRATCH_MNT}/test.moo" > -} > - > -# Try to access files after fuzzing > -_scratch_fuzz_test() { > - echo "+++ ls -laR" >> $seqres.full > - ls -laR "${SCRATCH_MNT}/test.1/" >/dev/null 2>&1 > - > - echo "+++ cat files" >> $seqres.full > - (find "${SCRATCH_MNT}/test.1/" -type f -size -1048576k -print0 | xargs -0 cat) >/dev/null 2>&1 > -} > - > # Fill a file system by repeatedly creating files in the given folder > # starting with the given file size. Files are reduced in size when > # they can no longer fit until no more files can be created. > diff --git a/tests/ext4/006 b/tests/ext4/006 > index 9662f50..bb9b7e5 100755 > --- a/tests/ext4/006 > +++ b/tests/ext4/006 > @@ -43,6 +43,7 @@ _cleanup() > . ./common/filter > . ./common/attr > . ./common/populate > +. ./common/fuzzy > > if [ ! -x "$(which e2fuzz)" ]; then > _notrun "Couldn't find e2fuzz" > diff --git a/tests/xfs/083 b/tests/xfs/083 > index 39bd75f..e2b5f82 100755 > --- a/tests/xfs/083 > +++ b/tests/xfs/083 > @@ -43,6 +43,7 @@ _cleanup() > . ./common/filter > . ./common/attr > . ./common/populate > +. ./common/fuzzy > > # real QA test starts here > _supported_fs xfs > > -- > To unsubscribe from this list: send the line "unsubscribe fstests" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-xfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
