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#!/bin/sh -x
expect_failure() {
if "$@"; then return 1; else return 0; fi
}
set -e
mkdir group
mkdir group/subvol1
setfattr -n ceph.dir.subvolume -v 1 group/subvol1
# rename subvolume
mv group/subvol1 group/subvol2
# move file out of the subvolume
touch group/subvol2/file1
expect_failure python3 -c "import os; os.rename('group/subvol2/file1', 'group/file1')"
# move file into the subvolume
touch group/file2
expect_failure python3 -c "import os; os.rename('group/file2', 'group/subvol2/file2')"
# create hardlink within subvolume
ln group/subvol2/file1 group/subvol2/file1_
# create hardlink out of subvolume
expect_failure ln group/subvol2/file1 group/file1_
expect_failure ln group/file2 group/subvol1/file2_
# create snapshot at subvolume root
mkdir group/subvol2/.snap/s1
# create snapshot at descendent dir of subvolume
mkdir group/subvol2/dir
expect_failure mkdir group/subvol2/dir/.snap/s2
mkdir group/subvol3
setfattr -n ceph.dir.subvolume -v 1 group/subvol3
# move file across subvolumes
expect_failure python3 -c "import os; os.rename('group/subvol2/file1', 'group/subvol3/file1')"
# create hardlink across subvolumes
expect_failure ln group/subvol2/file1 group/subvol3/file1
# create subvolume inside existing subvolume
expect_failure setfattr -n ceph.dir.subvolume -v 1 group/subvol2/dir
# clear subvolume flag
setfattr -n ceph.dir.subvolume -v 0 group/subvol2
mkdir group/subvol2/dir/.snap/s2
# parent subvolume override child subvolume
setfattr -n ceph.dir.subvolume -v 1 group/subvol2/dir
setfattr -n ceph.dir.subvolume -v 1 group/subvol2
expect_failure mkdir group/subvol2/dir/.snap/s3
rmdir group/subvol2/.snap/s1
rmdir group/subvol2/dir/.snap/s2
rm -rf group
echo OK
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