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author | Amir Goldstein <amir73il@gmail.com> | 2018-01-31 13:44:54 +0200 |
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committer | Eryu Guan <eguan@redhat.com> | 2018-02-03 00:33:51 +0800 |
commit | ce9707ccd0892df40a2f972b316bdbaf35fa46dd (patch) | |
tree | b7438393656699fcef26471c382b0d545b151182 | |
parent | dc9f8c9ac02e10fbca80d74cf08b945e7c1c341a (diff) | |
download | xfstests-dev-ce9707ccd0892df40a2f972b316bdbaf35fa46dd.tar.gz |
overlay: test overlay file handles of lower dir with non-indexed ancestor
Overlayfs with nfs_export enabled, indexes all directories on copy
up. Directory index is requires for decoding lower directory file
handles in case ancestors have been renamed.
When enabling nfs_export on an overlay that already has non-indexed
merge dirs, the possibility of non-indexed ancestor rename requires
special handling when encoding lower directory file handles.
- Check encode/decode/read file handles of non-indexed merge dir
- Check encode/decode/read file handles of dir with non-indexed parent
- Check encode/decode/read file handles of dir with non-indexed grandparent
- Check decode/read of file handles after rename of non-indexed merge dir
- Check decode/read of file handles after rename of non-indexed parent
- Check decode/read of file handles after rename of non-indexed grandparent
This test requires and enables overlayfs NFS export support and
merge dir rename support (redirect_dir).
NFS export support depends on and requires overlayfs index feature.
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Reviewed-by: Eryu Guan <eguan@redhat.com>
Signed-off-by: Eryu Guan <eguan@redhat.com>
-rwxr-xr-x | tests/overlay/054 | 160 | ||||
-rw-r--r-- | tests/overlay/054.out | 11 | ||||
-rw-r--r-- | tests/overlay/group | 1 |
3 files changed, 172 insertions, 0 deletions
diff --git a/tests/overlay/054 b/tests/overlay/054 new file mode 100755 index 0000000000..f7ade96bcf --- /dev/null +++ b/tests/overlay/054 @@ -0,0 +1,160 @@ +#! /bin/bash +# FS QA Test No. 054 +# +# Test encode/decode overlay file handle of dir with non-indexed ancestor +# +# Overlayfs with nfs_export enabled, indexes all directories on copy up. +# Directory index is requires for decoding lower directory file handles +# in case ancestors have been renamed. +# +# When enabling nfs_export on an overlay that already has non-indexed +# merge dirs, the possibility of non-indexed ancestor rename requires +# special handling when encoding lower directory file handles. +# +# - Check encode/decode/read file handles of non-indexed merge dir +# - Check encode/decode/read file handles of dir with non-indexed parent +# - Check encode/decode/read file handles of dir with non-indexed grandparent +# - Check decode/read of file handles after rename of non-indexed merge dir +# - Check decode/read of file handles after rename of non-indexed parent +# - Check decode/read of file handles after rename of non-indexed grandparent +# +# This test requires and enables overlayfs NFS export support and merge +# dir rename support (redirect_dir). +# NFS export support depends on and requires overlayfs index feature. +# +#----------------------------------------------------------------------- +# Copyright (C) 2018 CTERA Networks. All Rights Reserved. +# Author: Amir Goldstein <amir73il@gmail.com> +# +# 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 $tmp.* +} + +# get standard environment, filters and checks +. ./common/rc +. ./common/filter + +# real QA test starts here + +_supported_fs overlay +_supported_os Linux +_require_scratch +_require_test_program "open_by_handle" +# We need to require all features together, because nfs_export cannot +# be enabled when index is disabled +_require_scratch_overlay_features index nfs_export redirect_dir + +# All overlay dirs are on scratch partition +lower=$OVL_BASE_SCRATCH_MNT/$OVL_LOWER +upper=$OVL_BASE_SCRATCH_MNT/$OVL_UPPER +work=$OVL_BASE_SCRATCH_MNT/$OVL_WORK + +NUMFILES=1 + +# Create test dir and empty test files +create_test_files() +{ + local dir=$1 + local opt=$2 + + mkdir -p $dir + $here/src/open_by_handle -cp $opt $dir $NUMFILES +} + +# Test encode/decode file handles on overlay mount +test_file_handles() +{ + local dir=$1 + shift + + echo test_file_handles $dir $* | _filter_scratch | \ + sed -e "s,$tmp\.,,g" + $here/src/open_by_handle $* $dir $NUMFILES +} + +# Re-create lower/upper/work dirs +create_dirs() +{ + _scratch_mkfs +} + +# Mount an overlay on $SCRATCH_MNT with all layers on scratch partition +mount_dirs() +{ + _scratch_mount -o "index=on,nfs_export=on,redirect_dir=on" +} + +# Unmount the overlay without unmounting base fs +unmount_dirs() +{ + $UMOUNT_PROG $SCRATCH_MNT +} + +# Check encode/decode/read file handles of dir with non-indexed ancestor +create_dirs +create_test_files $lower/merged -w +create_test_files $lower/merged/dir -w +create_test_files $lower/merged/dir/subdir -w +create_test_files $lower/merged/parent/child -w +# Create non-indexed merge dir +mkdir $upper/merged +mount_dirs +# Check encode/decode/read file handles of non-indexed merge dir +# This is expected to encode an upper file handle +test_file_handles $SCRATCH_MNT/merged -p -o $tmp.merged_file_handles +# Check encode/decode/read file handles of dir with non-indexed parent +# This is expected to copy up merged/dir and encode an upper file handle +test_file_handles $SCRATCH_MNT/merged/dir -p -o $tmp.dir_file_handles +test -d $upper/merged/dir || echo "merged/dir not copied up" +# Check encode/decode/read file handles of dir with non-indexed grandparent +# This is expected to encode a lower file handle +test_file_handles $SCRATCH_MNT/merged/dir/subdir -p -o $tmp.subdir_file_handles +test -d $upper/merged/dir/subdir && echo "merged/dir/subdir unexpected copy up" +# This is expected to copy up parent and encode a lower file handle +test_file_handles $SCRATCH_MNT/merged/parent/child -p -o $tmp.child_file_handles +test -d $upper/merged/parent || echo "merged/parent not copied up" +test -d $upper/merged/parent/child && echo "merged/parent/child unexpected copy up" + +# Rename non-indexed merge dir +mv $SCRATCH_MNT/merged $SCRATCH_MNT/merged.new/ +# Check open, read and readdir from stored file handles +# (testdir argument is the mount point and NOT the dir +# we are trying to open by stored file handle) +test_file_handles $SCRATCH_MNT -rp -i $tmp.merged_file_handles +test_file_handles $SCRATCH_MNT -rp -i $tmp.dir_file_handles +test_file_handles $SCRATCH_MNT -rp -i $tmp.subdir_file_handles +test_file_handles $SCRATCH_MNT -rp -i $tmp.child_file_handles +# Retry decoding lower subdir file handles when indexed ancestor is in dcache +# (providing the ancestor dir argument pins the ancestor to dcache) +test_file_handles $SCRATCH_MNT/merged.new/dir -rp -i $tmp.subdir_file_handles +test_file_handles $SCRATCH_MNT/merged.new/parent -rp -i $tmp.child_file_handles +unmount_dirs + +status=0 +exit diff --git a/tests/overlay/054.out b/tests/overlay/054.out new file mode 100644 index 0000000000..dd8fddf6d4 --- /dev/null +++ b/tests/overlay/054.out @@ -0,0 +1,11 @@ +QA output created by 054 +test_file_handles SCRATCH_MNT/merged -p -o merged_file_handles +test_file_handles SCRATCH_MNT/merged/dir -p -o dir_file_handles +test_file_handles SCRATCH_MNT/merged/dir/subdir -p -o subdir_file_handles +test_file_handles SCRATCH_MNT/merged/parent/child -p -o child_file_handles +test_file_handles SCRATCH_MNT -rp -i merged_file_handles +test_file_handles SCRATCH_MNT -rp -i dir_file_handles +test_file_handles SCRATCH_MNT -rp -i subdir_file_handles +test_file_handles SCRATCH_MNT -rp -i child_file_handles +test_file_handles SCRATCH_MNT/merged.new/dir -rp -i subdir_file_handles +test_file_handles SCRATCH_MNT/merged.new/parent -rp -i child_file_handles diff --git a/tests/overlay/group b/tests/overlay/group index ec0b711c04..4326a271fe 100644 --- a/tests/overlay/group +++ b/tests/overlay/group @@ -54,3 +54,4 @@ 051 auto quick copyup hardlink exportfs nonsamefs 052 auto quick copyup redirect exportfs 053 auto quick copyup redirect exportfs nonsamefs +054 auto quick copyup redirect exportfs |