| Message ID | 20201127123742.561-1-lhenriques@suse.de |
|---|---|
| State | New |
| Headers | show |
| Series | [v3] ceph: add a new test for cross quota realms renames | expand |
On Fri, Nov 27, 2020 at 12:37:42PM +0000, Luis Henriques wrote: > For the moment cross quota realms renames has been disabled in CephFS > after a bug has been found while renaming files created and truncated. > This allowed clients to easily circumvent quotas. > > Link: https://tracker.ceph.com/issues/48203 > Signed-off-by: Luis Henriques <lhenriques@suse.de> Looks good to me from fstests' point of view. But I'm not familiar with the ceph vxattr implementation. I'd like a Reviewed-by tag from ceph folks as well. Thanks a lot! Eryu > --- > v3: added file caps check, as suggested by Jeff Layton. > This required commit "ceph: add ceph.caps vxattr" (not yet in mainline), > which made me also introduce function _require_ceph_vxattr_caps. > > v2: implemented Eryu review comments: > - Added _require_test_program "rename" > - Use _fail instead of _fatal > common/ceph | 7 +++ > tests/ceph/004 | 119 +++++++++++++++++++++++++++++++++++++++++++++ > tests/ceph/004.out | 2 + > tests/ceph/group | 1 + > 4 files changed, 129 insertions(+) > create mode 100755 tests/ceph/004 > create mode 100644 tests/ceph/004.out > > diff --git a/common/ceph b/common/ceph > index f80209f98b23..ca756dda8dd3 100644 > --- a/common/ceph > +++ b/common/ceph > @@ -21,3 +21,10 @@ _ceph_create_file_layout() > -v "stripe_unit=$objsz stripe_count=1 object_size=$objsz" \ > $fname > } > + > +# this test requires to access file capabilities through vxattr 'ceph.caps'. > +_require_ceph_vxattr_caps() > +{ > + $GETFATTR_PROG -n "ceph.caps" $TEST_DIR >/dev/null 2>&1 \ > + || _notrun "ceph.caps vxattr not supported" > +} > diff --git a/tests/ceph/004 b/tests/ceph/004 > new file mode 100755 > index 000000000000..1de19b39acb5 > --- /dev/null > +++ b/tests/ceph/004 > @@ -0,0 +1,119 @@ > +#! /bin/bash > +# SPDX-License-Identifier: GPL-2.0 > +# Copyright (c) 2020 SUSE Linux Products GmbH. All Rights Reserved. > +# > +# FS QA Test 004 > +# > +# Tests a bug fix found in cephfs quotas handling. Here's a simplified testcase > +# that *should* fail: > +# > +# mkdir files limit > +# truncate files/file -s 10G > +# setfattr limit -n ceph.quota.max_bytes -v 1000000 > +# mv files limit/ > +# > +# Because we're creating a new file and truncating it, we have Fx caps and thus > +# the truncate operation will be cached. This prevents the MDSs from updating > +# the quota realms and thus the client will allow the above rename(2) to happen. > +# > +# The bug resulted in dropping support for cross quota-realms renames, reverting > +# kernel commit dffdcd71458e ("ceph: allow rename operation under different > +# quota realms"). > +# > +# So, the above test will now fail with a -EXDEV or, in the future (when we have > +# a proper fix), with -EDQUOT. > +# > +# This bug was tracker here: > +# > +# https://tracker.ceph.com/issues/48203 > +# > +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.* > +} > + > +# get standard environment, filters and checks > +. ./common/rc > +. ./common/filter > +. ./common/attr > + > +# remove previous $seqres.full before test > +rm -f $seqres.full > + > +# real QA test starts here > + > +_supported_fs ceph > +_require_attrs > +_require_test > +_require_test_program "rename" > +_require_ceph_vxattr_caps # we need to get file capabilities > + > +workdir=$TEST_DIR/test-$seq > + > +orig1=$workdir/orig1 > +orig2=$workdir/orig2 > +file1=$orig1/file > +file2=$orig2/file > +dest=$workdir/dest > + > +rm -rf $workdir > +mkdir $workdir > +mkdir $orig1 $orig2 $dest > + > +# get only the hexadecimal value of the ceph.caps vxattr, which has the > +# following format: > +# ceph.caps="pAsLsXsFscr/0xd55" > +get_ceph_caps() > +{ > + $GETFATTR_PROG --only-values -n "ceph.caps" $1 2>/dev/null \ > + | cut -d / -f2 > +} > + > +# check that a file has cephfs capabilities 'Fs' > +check_Fs_caps() > +{ > + caps=`get_ceph_caps $1` > + # Fs cap is bit (1 << 8) > + Fs=$((1 << 8)) > + res=$(($caps & $Fs)) > + if [ $res -ne $Fs ]; then > + _fail "File $1 doesn't have Fs caps ($caps)" > + fi > +} > + > +# set quota to 1m > +$SETFATTR_PROG -n ceph.quota.max_bytes -v 1000000 $dest > +# set quota to 20g > +$SETFATTR_PROG -n ceph.quota.max_bytes -v 20000000000 $orig2 > + > +# > +# The following 2 testcases shall fail with either -EXDEV or -EDQUOT > +# > + > +# from 'root' realm to $dest realm > +$XFS_IO_PROG -f -c "truncate 10G" $file1 > +check_Fs_caps $file1 > +$here/src/rename $orig1 $dest/new1 >> $seqres.full 2>&1 > +[ $? -ne 1 ] && _fail "cross quota realms rename succeeded" > + > +# from $orig2 realm to $dest realm > +$XFS_IO_PROG -f -c "truncate 10G" $file2 > +check_Fs_caps $file2 > +$here/src/rename $orig2 $dest/new2 >> $seqres.full 2>&1 > +[ $? -ne 1 ] && _fail "cross quota realms rename succeeded" > + > +echo "Silence is golden" > + > +# success, all done > +status=0 > +exit > diff --git a/tests/ceph/004.out b/tests/ceph/004.out > new file mode 100644 > index 000000000000..af8614ae45ac > --- /dev/null > +++ b/tests/ceph/004.out > @@ -0,0 +1,2 @@ > +QA output created by 004 > +Silence is golden > diff --git a/tests/ceph/group b/tests/ceph/group > index adbf61547766..47903d21966c 100644 > --- a/tests/ceph/group > +++ b/tests/ceph/group > @@ -1,3 +1,4 @@ > 001 auto quick copy > 002 auto quick copy > 003 auto quick copy > +004 auto quick quota
Eryu Guan <guan@eryu.me> writes: > On Fri, Nov 27, 2020 at 12:37:42PM +0000, Luis Henriques wrote: >> For the moment cross quota realms renames has been disabled in CephFS >> after a bug has been found while renaming files created and truncated. >> This allowed clients to easily circumvent quotas. >> >> Link: https://tracker.ceph.com/issues/48203 >> Signed-off-by: Luis Henriques <lhenriques@suse.de> > > Looks good to me from fstests' point of view. But I'm not familiar with > the ceph vxattr implementation. I'd like a Reviewed-by tag from ceph > folks as well. Thanks a lot! Awesome, thanks for you're feedback Eryu. Cheers, -- Luis > > Eryu > >> --- >> v3: added file caps check, as suggested by Jeff Layton. >> This required commit "ceph: add ceph.caps vxattr" (not yet in mainline), >> which made me also introduce function _require_ceph_vxattr_caps. >> >> v2: implemented Eryu review comments: >> - Added _require_test_program "rename" >> - Use _fail instead of _fatal >> common/ceph | 7 +++ >> tests/ceph/004 | 119 +++++++++++++++++++++++++++++++++++++++++++++ >> tests/ceph/004.out | 2 + >> tests/ceph/group | 1 + >> 4 files changed, 129 insertions(+) >> create mode 100755 tests/ceph/004 >> create mode 100644 tests/ceph/004.out >> >> diff --git a/common/ceph b/common/ceph >> index f80209f98b23..ca756dda8dd3 100644 >> --- a/common/ceph >> +++ b/common/ceph >> @@ -21,3 +21,10 @@ _ceph_create_file_layout() >> -v "stripe_unit=$objsz stripe_count=1 object_size=$objsz" \ >> $fname >> } >> + >> +# this test requires to access file capabilities through vxattr 'ceph.caps'. >> +_require_ceph_vxattr_caps() >> +{ >> + $GETFATTR_PROG -n "ceph.caps" $TEST_DIR >/dev/null 2>&1 \ >> + || _notrun "ceph.caps vxattr not supported" >> +} >> diff --git a/tests/ceph/004 b/tests/ceph/004 >> new file mode 100755 >> index 000000000000..1de19b39acb5 >> --- /dev/null >> +++ b/tests/ceph/004 >> @@ -0,0 +1,119 @@ >> +#! /bin/bash >> +# SPDX-License-Identifier: GPL-2.0 >> +# Copyright (c) 2020 SUSE Linux Products GmbH. All Rights Reserved. >> +# >> +# FS QA Test 004 >> +# >> +# Tests a bug fix found in cephfs quotas handling. Here's a simplified testcase >> +# that *should* fail: >> +# >> +# mkdir files limit >> +# truncate files/file -s 10G >> +# setfattr limit -n ceph.quota.max_bytes -v 1000000 >> +# mv files limit/ >> +# >> +# Because we're creating a new file and truncating it, we have Fx caps and thus >> +# the truncate operation will be cached. This prevents the MDSs from updating >> +# the quota realms and thus the client will allow the above rename(2) to happen. >> +# >> +# The bug resulted in dropping support for cross quota-realms renames, reverting >> +# kernel commit dffdcd71458e ("ceph: allow rename operation under different >> +# quota realms"). >> +# >> +# So, the above test will now fail with a -EXDEV or, in the future (when we have >> +# a proper fix), with -EDQUOT. >> +# >> +# This bug was tracker here: >> +# >> +# https://tracker.ceph.com/issues/48203 >> +# >> +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.* >> +} >> + >> +# get standard environment, filters and checks >> +. ./common/rc >> +. ./common/filter >> +. ./common/attr >> + >> +# remove previous $seqres.full before test >> +rm -f $seqres.full >> + >> +# real QA test starts here >> + >> +_supported_fs ceph >> +_require_attrs >> +_require_test >> +_require_test_program "rename" >> +_require_ceph_vxattr_caps # we need to get file capabilities >> + >> +workdir=$TEST_DIR/test-$seq >> + >> +orig1=$workdir/orig1 >> +orig2=$workdir/orig2 >> +file1=$orig1/file >> +file2=$orig2/file >> +dest=$workdir/dest >> + >> +rm -rf $workdir >> +mkdir $workdir >> +mkdir $orig1 $orig2 $dest >> + >> +# get only the hexadecimal value of the ceph.caps vxattr, which has the >> +# following format: >> +# ceph.caps="pAsLsXsFscr/0xd55" >> +get_ceph_caps() >> +{ >> + $GETFATTR_PROG --only-values -n "ceph.caps" $1 2>/dev/null \ >> + | cut -d / -f2 >> +} >> + >> +# check that a file has cephfs capabilities 'Fs' >> +check_Fs_caps() >> +{ >> + caps=`get_ceph_caps $1` >> + # Fs cap is bit (1 << 8) >> + Fs=$((1 << 8)) >> + res=$(($caps & $Fs)) >> + if [ $res -ne $Fs ]; then >> + _fail "File $1 doesn't have Fs caps ($caps)" >> + fi >> +} >> + >> +# set quota to 1m >> +$SETFATTR_PROG -n ceph.quota.max_bytes -v 1000000 $dest >> +# set quota to 20g >> +$SETFATTR_PROG -n ceph.quota.max_bytes -v 20000000000 $orig2 >> + >> +# >> +# The following 2 testcases shall fail with either -EXDEV or -EDQUOT >> +# >> + >> +# from 'root' realm to $dest realm >> +$XFS_IO_PROG -f -c "truncate 10G" $file1 >> +check_Fs_caps $file1 >> +$here/src/rename $orig1 $dest/new1 >> $seqres.full 2>&1 >> +[ $? -ne 1 ] && _fail "cross quota realms rename succeeded" >> + >> +# from $orig2 realm to $dest realm >> +$XFS_IO_PROG -f -c "truncate 10G" $file2 >> +check_Fs_caps $file2 >> +$here/src/rename $orig2 $dest/new2 >> $seqres.full 2>&1 >> +[ $? -ne 1 ] && _fail "cross quota realms rename succeeded" >> + >> +echo "Silence is golden" >> + >> +# success, all done >> +status=0 >> +exit >> diff --git a/tests/ceph/004.out b/tests/ceph/004.out >> new file mode 100644 >> index 000000000000..af8614ae45ac >> --- /dev/null >> +++ b/tests/ceph/004.out >> @@ -0,0 +1,2 @@ >> +QA output created by 004 >> +Silence is golden >> diff --git a/tests/ceph/group b/tests/ceph/group >> index adbf61547766..47903d21966c 100644 >> --- a/tests/ceph/group >> +++ b/tests/ceph/group >> @@ -1,3 +1,4 @@ >> 001 auto quick copy >> 002 auto quick copy >> 003 auto quick copy >> +004 auto quick quota
On Fri, 2020-11-27 at 12:37 +0000, Luis Henriques wrote: > For the moment cross quota realms renames has been disabled in CephFS > after a bug has been found while renaming files created and truncated. > This allowed clients to easily circumvent quotas. > > Link: https://tracker.ceph.com/issues/48203 > Signed-off-by: Luis Henriques <lhenriques@suse.de> > --- > v3: added file caps check, as suggested by Jeff Layton. > This required commit "ceph: add ceph.caps vxattr" (not yet in mainline), > which made me also introduce function _require_ceph_vxattr_caps. > > v2: implemented Eryu review comments: > - Added _require_test_program "rename" > - Use _fail instead of _fatal > common/ceph | 7 +++ > tests/ceph/004 | 119 +++++++++++++++++++++++++++++++++++++++++++++ > tests/ceph/004.out | 2 + > tests/ceph/group | 1 + > 4 files changed, 129 insertions(+) > create mode 100755 tests/ceph/004 > create mode 100644 tests/ceph/004.out > > diff --git a/common/ceph b/common/ceph > index f80209f98b23..ca756dda8dd3 100644 > --- a/common/ceph > +++ b/common/ceph > @@ -21,3 +21,10 @@ _ceph_create_file_layout() > -v "stripe_unit=$objsz stripe_count=1 object_size=$objsz" \ > $fname > } > + > +# this test requires to access file capabilities through vxattr 'ceph.caps'. > +_require_ceph_vxattr_caps() > +{ > + $GETFATTR_PROG -n "ceph.caps" $TEST_DIR >/dev/null 2>&1 \ > + || _notrun "ceph.caps vxattr not supported" > +} > diff --git a/tests/ceph/004 b/tests/ceph/004 > new file mode 100755 > index 000000000000..1de19b39acb5 > --- /dev/null > +++ b/tests/ceph/004 > @@ -0,0 +1,119 @@ > +#! /bin/bash > +# SPDX-License-Identifier: GPL-2.0 > +# Copyright (c) 2020 SUSE Linux Products GmbH. All Rights Reserved. > +# > +# FS QA Test 004 > +# > +# Tests a bug fix found in cephfs quotas handling. Here's a simplified testcase > +# that *should* fail: > +# > +# mkdir files limit > +# truncate files/file -s 10G > +# setfattr limit -n ceph.quota.max_bytes -v 1000000 > +# mv files limit/ > +# > +# Because we're creating a new file and truncating it, we have Fx caps and thus > +# the truncate operation will be cached. This prevents the MDSs from updating > +# the quota realms and thus the client will allow the above rename(2) to happen. > +# > +# The bug resulted in dropping support for cross quota-realms renames, reverting > +# kernel commit dffdcd71458e ("ceph: allow rename operation under different > +# quota realms"). > +# > +# So, the above test will now fail with a -EXDEV or, in the future (when we have > +# a proper fix), with -EDQUOT. > +# > +# This bug was tracker here: > +# > +# https://tracker.ceph.com/issues/48203 > +# > +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.* > +} > + > +# get standard environment, filters and checks > +. ./common/rc > +. ./common/filter > +. ./common/attr > + > +# remove previous $seqres.full before test > +rm -f $seqres.full > + > +# real QA test starts here > + > +_supported_fs ceph > +_require_attrs > +_require_test > +_require_test_program "rename" > +_require_ceph_vxattr_caps # we need to get file capabilities > + > +workdir=$TEST_DIR/test-$seq > + > +orig1=$workdir/orig1 > +orig2=$workdir/orig2 > +file1=$orig1/file > +file2=$orig2/file > +dest=$workdir/dest > + > +rm -rf $workdir > +mkdir $workdir > +mkdir $orig1 $orig2 $dest > + > +# get only the hexadecimal value of the ceph.caps vxattr, which has the > +# following format: > +# ceph.caps="pAsLsXsFscr/0xd55" > +get_ceph_caps() > +{ > + $GETFATTR_PROG --only-values -n "ceph.caps" $1 2>/dev/null \ > + | cut -d / -f2 > +} > + > +# check that a file has cephfs capabilities 'Fs' > +check_Fs_caps() > +{ > + caps=`get_ceph_caps $1` > + # Fs cap is bit (1 << 8) > + Fs=$((1 << 8)) > + res=$(($caps & $Fs)) > + if [ $res -ne $Fs ]; then > + _fail "File $1 doesn't have Fs caps ($caps)" > + fi > +} > + > +# set quota to 1m > +$SETFATTR_PROG -n ceph.quota.max_bytes -v 1000000 $dest > +# set quota to 20g > +$SETFATTR_PROG -n ceph.quota.max_bytes -v 20000000000 $orig2 > + > +# > +# The following 2 testcases shall fail with either -EXDEV or -EDQUOT > +# > + > +# from 'root' realm to $dest realm > +$XFS_IO_PROG -f -c "truncate 10G" $file1 > +check_Fs_caps $file1 > +$here/src/rename $orig1 $dest/new1 >> $seqres.full 2>&1 > +[ $? -ne 1 ] && _fail "cross quota realms rename succeeded" > + > +# from $orig2 realm to $dest realm > +$XFS_IO_PROG -f -c "truncate 10G" $file2 > +check_Fs_caps $file2 > +$here/src/rename $orig2 $dest/new2 >> $seqres.full 2>&1 > +[ $? -ne 1 ] && _fail "cross quota realms rename succeeded" > + > +echo "Silence is golden" > + > +# success, all done > +status=0 > +exit > diff --git a/tests/ceph/004.out b/tests/ceph/004.out > new file mode 100644 > index 000000000000..af8614ae45ac > --- /dev/null > +++ b/tests/ceph/004.out > @@ -0,0 +1,2 @@ > +QA output created by 004 > +Silence is golden > diff --git a/tests/ceph/group b/tests/ceph/group > index adbf61547766..47903d21966c 100644 > --- a/tests/ceph/group > +++ b/tests/ceph/group > @@ -1,3 +1,4 @@ > 001 auto quick copy > 002 auto quick copy > 003 auto quick copy > +004 auto quick quota Nice work, Luis. Reviewed-by: Jeff Layton <jlayton@kernel.org>
diff --git a/common/ceph b/common/ceph index f80209f98b23..ca756dda8dd3 100644 --- a/common/ceph +++ b/common/ceph @@ -21,3 +21,10 @@ _ceph_create_file_layout() -v "stripe_unit=$objsz stripe_count=1 object_size=$objsz" \ $fname } + +# this test requires to access file capabilities through vxattr 'ceph.caps'. +_require_ceph_vxattr_caps() +{ + $GETFATTR_PROG -n "ceph.caps" $TEST_DIR >/dev/null 2>&1 \ + || _notrun "ceph.caps vxattr not supported" +} diff --git a/tests/ceph/004 b/tests/ceph/004 new file mode 100755 index 000000000000..1de19b39acb5 --- /dev/null +++ b/tests/ceph/004 @@ -0,0 +1,119 @@ +#! /bin/bash +# SPDX-License-Identifier: GPL-2.0 +# Copyright (c) 2020 SUSE Linux Products GmbH. All Rights Reserved. +# +# FS QA Test 004 +# +# Tests a bug fix found in cephfs quotas handling. Here's a simplified testcase +# that *should* fail: +# +# mkdir files limit +# truncate files/file -s 10G +# setfattr limit -n ceph.quota.max_bytes -v 1000000 +# mv files limit/ +# +# Because we're creating a new file and truncating it, we have Fx caps and thus +# the truncate operation will be cached. This prevents the MDSs from updating +# the quota realms and thus the client will allow the above rename(2) to happen. +# +# The bug resulted in dropping support for cross quota-realms renames, reverting +# kernel commit dffdcd71458e ("ceph: allow rename operation under different +# quota realms"). +# +# So, the above test will now fail with a -EXDEV or, in the future (when we have +# a proper fix), with -EDQUOT. +# +# This bug was tracker here: +# +# https://tracker.ceph.com/issues/48203 +# +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.* +} + +# get standard environment, filters and checks +. ./common/rc +. ./common/filter +. ./common/attr + +# remove previous $seqres.full before test +rm -f $seqres.full + +# real QA test starts here + +_supported_fs ceph +_require_attrs +_require_test +_require_test_program "rename" +_require_ceph_vxattr_caps # we need to get file capabilities + +workdir=$TEST_DIR/test-$seq + +orig1=$workdir/orig1 +orig2=$workdir/orig2 +file1=$orig1/file +file2=$orig2/file +dest=$workdir/dest + +rm -rf $workdir +mkdir $workdir +mkdir $orig1 $orig2 $dest + +# get only the hexadecimal value of the ceph.caps vxattr, which has the +# following format: +# ceph.caps="pAsLsXsFscr/0xd55" +get_ceph_caps() +{ + $GETFATTR_PROG --only-values -n "ceph.caps" $1 2>/dev/null \ + | cut -d / -f2 +} + +# check that a file has cephfs capabilities 'Fs' +check_Fs_caps() +{ + caps=`get_ceph_caps $1` + # Fs cap is bit (1 << 8) + Fs=$((1 << 8)) + res=$(($caps & $Fs)) + if [ $res -ne $Fs ]; then + _fail "File $1 doesn't have Fs caps ($caps)" + fi +} + +# set quota to 1m +$SETFATTR_PROG -n ceph.quota.max_bytes -v 1000000 $dest +# set quota to 20g +$SETFATTR_PROG -n ceph.quota.max_bytes -v 20000000000 $orig2 + +# +# The following 2 testcases shall fail with either -EXDEV or -EDQUOT +# + +# from 'root' realm to $dest realm +$XFS_IO_PROG -f -c "truncate 10G" $file1 +check_Fs_caps $file1 +$here/src/rename $orig1 $dest/new1 >> $seqres.full 2>&1 +[ $? -ne 1 ] && _fail "cross quota realms rename succeeded" + +# from $orig2 realm to $dest realm +$XFS_IO_PROG -f -c "truncate 10G" $file2 +check_Fs_caps $file2 +$here/src/rename $orig2 $dest/new2 >> $seqres.full 2>&1 +[ $? -ne 1 ] && _fail "cross quota realms rename succeeded" + +echo "Silence is golden" + +# success, all done +status=0 +exit diff --git a/tests/ceph/004.out b/tests/ceph/004.out new file mode 100644 index 000000000000..af8614ae45ac --- /dev/null +++ b/tests/ceph/004.out @@ -0,0 +1,2 @@ +QA output created by 004 +Silence is golden diff --git a/tests/ceph/group b/tests/ceph/group index adbf61547766..47903d21966c 100644 --- a/tests/ceph/group +++ b/tests/ceph/group @@ -1,3 +1,4 @@ 001 auto quick copy 002 auto quick copy 003 auto quick copy +004 auto quick quota
For the moment cross quota realms renames has been disabled in CephFS after a bug has been found while renaming files created and truncated. This allowed clients to easily circumvent quotas. Link: https://tracker.ceph.com/issues/48203 Signed-off-by: Luis Henriques <lhenriques@suse.de> --- v3: added file caps check, as suggested by Jeff Layton. This required commit "ceph: add ceph.caps vxattr" (not yet in mainline), which made me also introduce function _require_ceph_vxattr_caps. v2: implemented Eryu review comments: - Added _require_test_program "rename" - Use _fail instead of _fatal common/ceph | 7 +++ tests/ceph/004 | 119 +++++++++++++++++++++++++++++++++++++++++++++ tests/ceph/004.out | 2 + tests/ceph/group | 1 + 4 files changed, 129 insertions(+) create mode 100755 tests/ceph/004 create mode 100644 tests/ceph/004.out