+test_rule_id() {
+ local idstr="${1}id"
+ local rule="${idstr}={$2}"
+ local myRUNAS="$3"
+ local file=$DIR/$tdir/$tfile
+
+ setup_pcc_mapping $SINGLEAGT \
+ "$rule\ rwid=$HSM_ARCHIVE_NUMBER\ auto_attach=0"
+ $LCTL pcc list $MOUNT
+
+ do_facet $SINGLEAGT $LFS mkdir -i 0 $DIR/$tdir
+ chmod 777 $DIR/$tdir || error "chmod 0777 $DIR/$tdir failed"
+
+ rm -f $file || error "rm $file failed"
+ do_facet $SINGLEAGT $myRUNAS dd if=/dev/zero of=$file bs=1024 count=1 ||
+ error "failed to dd write to $file"
+ check_lpcc_state $file "readwrite"
+ do_facet $SINGLEAGT $myRUNAS dd if=$file of=/dev/null bs=1024 count=1 ||
+ error "failed to dd read from $file"
+ do_facet $SINGLEAGT $myRUNAS $TRUNCATE $file 256 ||
+ error "failed to truncate $file"
+ do_facet $SINGLEAGT $myRUNAS $TRUNCATE $file 2048 ||
+ error "failed to truncate $file"
+ do_facet $SINGLEAGT $myRUNAS dd if=/dev/zero of=$file bs=1024 count=1 ||
+ error "failed to dd write from $file"
+ check_lpcc_state $file "readwrite"
+
+ do_facet $SINGLEAGT $myRUNAS $LFS pcc detach $file ||
+ error "failed to detach file $file"
+ wait_request_state $(path2fid $file) REMOVE SUCCEED
+ check_lpcc_state $file "none"
+
+ cleanup_pcc_mapping
+}
+
+test_13a() {
+ copytool setup -m "$MOUNT" -a "$HSM_ARCHIVE_NUMBER"
+ test_rule_id "u" "500" "runas -u 500"
+ test_rule_id "g" "500" "runas -u 500 -g 500"
+}
+run_test 13a "Test auto RW-PCC create caching for UID/GID rule"
+
+test_13b() {
+ local file
+
+ copytool setup -m "$MOUNT" -a "$HSM_ARCHIVE_NUMBER"
+ setup_pcc_mapping $SINGLEAGT \
+ "fname={*.h5\ suffix.*\ Mid*dle}\ rwid=$HSM_ARCHIVE_NUMBER\ auto_attach=0"
+ $LCTL pcc list $MOUNT
+
+ do_facet $SINGLEAGT mkdir -p $DIR/$tdir
+ chmod 777 $DIR/$tdir || error "chmod 0777 $DIR/$tdir failed"
+
+ file=$DIR/$tdir/prefix.h5
+ do_facet $SINGLEAGT dd if=/dev/zero of=$file bs=1024 count=1 ||
+ error "failed to dd write to $file"
+ check_lpcc_state $file "readwrite"
+ do_facet $SINGLEAGT $myRUNAS $LFS pcc detach -k $file ||
+ error "failed to detach file $file"
+ check_lpcc_state $file "none"
+ rm $file || error "rm $file failed"
+
+ file=$DIR/$tdir/suffix.doc
+ do_facet $SINGLEAGT $RUNAS dd if=/dev/zero of=$file bs=1024 count=1 ||
+ error "failed to dd write to $file"
+ check_lpcc_state $file "readwrite"
+ do_facet $SINGLEAGT $myRUNAS $LFS pcc detach -k $file ||
+ error "failed to detach file $file"
+ check_lpcc_state $file "none"
+ rm $file || error "rm $file failed"
+
+ file=$DIR/$tdir/MidPADdle
+ do_facet $SINGLEAGT $RUNAS dd if=/dev/zero of=$file bs=1024 count=1 ||
+ error "failed to dd write to $file"
+ check_lpcc_state $file "readwrite"
+ do_facet $SINGLEAGT $myRUNAS $LFS pcc detach -k $file ||
+ error "failed to detach file $file"
+ check_lpcc_state $file "none"
+ rm $file || error "rm $file failed"
+
+ file=$DIR/$tdir/Midpad
+ do_facet $SINGLEAGT $RUNAS dd if=/dev/zero of=$file bs=1024 count=1 ||
+ error "failed to dd write to $file"
+ check_lpcc_state $file "none"
+ rm $file || error "rm $file failed"
+}
+run_test 13b "Test auto RW-PCC create caching for file name with wildcard"
+
+test_13c() {
+ local file
+ local myRUNAS
+ local loopfile="$TMP/$tfile"
+ local mntpt="/mnt/pcc.$tdir"
+ local hsm_root="$mntpt/$tdir"
+
+ ! is_project_quota_supported &&
+ echo "Skip project quota is not supported" && return 0
+
+ enable_project_quota
+ setup_loopdev $SINGLEAGT $loopfile $mntpt 50
+ copytool setup -m "$MOUNT" -a "$HSM_ARCHIVE_NUMBER"
+ setup_pcc_mapping $SINGLEAGT \
+ "projid={100\ 200}\&fname={*.h5},uid={500}\&gid={1000}\ rwid=$HSM_ARCHIVE_NUMBER"
+ $LCTL pcc list $MOUNT
+ do_facet $SINGLEAGT mkdir -p $DIR/$tdir
+ chmod 777 $DIR/$tdir || error "chmod 0777 $DIR/$tdir failed"
+
+ mkdir -p $DIR/$tdir/proj || error "mkdir $DIR/$tdir/proj failed"
+ mkdir -p $DIR/$tdir/proj2 || error "mkdir $DIR/$tdir/proj2 failed"
+ $LFS project -sp 100 $DIR/$tdir/proj ||
+ error "failed to set project for $DIR/$tdir/proj"
+ $LFS project -sp 200 $DIR/$tdir/proj2 ||
+ error "failed to set project for $DIR/$tdir/proj2"
+
+ file=$DIR/$tdir/proj/notcache
+ do_facet $SINGLEAGT dd if=/dev/zero of=$file bs=1024 count=1 ||
+ error "failed to dd write to $file"
+ check_lpcc_state $file "none"
+ rm $file || error "rm $file failed"
+
+ file=$DIR/$tdir/proj/autocache.h5
+ do_facet $SINGLEAGT dd if=/dev/zero of=$file bs=1024 count=1 ||
+ error "failed to dd write to $file"
+ check_lpcc_state $file "readwrite"
+ do_facet $SINGLEAGT $LFS pcc detach -k $file ||
+ error "failed to detach $file"
+ rm $file || error "rm $file failed"
+
+ file=$DIR/$tdir/proj2/notcache
+ do_facet $SINGLEAGT dd if=/dev/zero of=$file bs=1024 count=1 ||
+ error "failed to dd write to $file"
+ check_lpcc_state $file "none"
+ rm $file || error "rm $file failed"
+
+ file=$DIR/$tdir/proj2/autocache.h5
+ do_facet $SINGLEAGT dd if=/dev/zero of=$file bs=1024 count=1 ||
+ error "failed to dd write to $file"
+ check_lpcc_state $file "readwrite"
+ do_facet $SINGLEAGT $LFS pcc detach -k $file ||
+ error "failed to detach $file"
+ rm $file || error "rm $file failed"
+
+ file=$DIR/$tdir/ugidcache
+ myRUNAS="runas -u 500 -g 1000"
+ do_facet $SINGLEAGT $myRUNAS dd if=/dev/zero of=$file bs=1024 count=1 ||
+ error "failed to dd write to $file"
+ check_lpcc_state $file "readwrite"
+ do_facet $SINGLEAGT $LFS pcc detach -k $file ||
+ error "failed to detach $file"
+ rm $file || error "rm $file failed"
+}
+run_test 13c "Check auto RW-PCC create caching for UID/GID/ProjID/fname rule"
+
+test_14() {
+ local file=$DIR/$tdir/$tfile
+
+ copytool setup -m "$MOUNT" -a "$HSM_ARCHIVE_NUMBER"
+ setup_pcc_mapping $SINGLEAGT \
+ "projid={100}\ rwid=$HSM_ARCHIVE_NUMBER\ auto_attach=0"
+
+ mkdir -p $DIR/$tdir || error "mkdir -p $DIR/$tdir failed"
+ do_facet $SINGLEAGT "echo -n autodetach_data > $file"
+ do_facet $SINGLEAGT $LFS pcc attach -i $HSM_ARCHIVE_NUMBER \
+ $file || error "PCC attach $file failed"
+ check_lpcc_state $file "readwrite"
+
+ # Revoke the layout lock, the PCC-cached file will be
+ # detached automatically.
+ do_facet $SINGLEAGT $LCTL \
+ set_param ldlm.namespaces.*mdc*.lru_size=clear
+ check_file_data $SINGLEAGT $file "autodetach_data"
+ check_lpcc_state $file "none"
+}
+run_test 14 "Revocation of the layout lock should detach the file automatically"
+
+test_15() {
+ local loopfile="$TMP/$tfile"
+ local mntpt="/mnt/pcc.$tdir"
+ local hsm_root="$mntpt/$tdir"
+ local file=$DIR/$tdir/$tfile
+
+ setup_loopdev $SINGLEAGT $loopfile $mntpt 50
+ copytool setup -m "$MOUNT" -a "$HSM_ARCHIVE_NUMBER"
+ setup_pcc_mapping
+
+ mkdir_on_mdt0 $DIR/$tdir || error "mkdir $DIR/$tdir failed"
+ chmod 777 $DIR/$tdir || error "chmod 777 $DIR/$tdir failed"
+
+ echo "Check open attach for non-root user"
+ do_facet $SINGLEAGT $RUNAS dd if=/dev/zero of=$file bs=1024 count=1 ||
+ error "failed to dd write to $file"
+ do_facet $SINGLEAGT $RUNAS $LFS pcc attach -i $HSM_ARCHIVE_NUMBER \
+ $file || error "failed to attach file $file"
+ do_facet $SINGLEAGT $RUNAS $LFS pcc state $file
+ check_lpcc_state $file "readwrite" $SINGLEAGT "$RUNAS"
+ # Revoke the layout lock, the PCC-cached file will be
+ # detached automatically.
+ do_facet $SINGLEAGT $LCTL \
+ set_param ldlm.namespaces.*mdc*.lru_size=clear
+ check_lpcc_state $file "readwrite" $SINGLEAGT "$RUNAS"
+ # Detach the file but keep the cache , as the file layout generation
+ # is not changed, so the file is still valid cached in PCC, and can
+ # be reused from PCC cache directly.
+ do_facet $SINGLEAGT $RUNAS $LFS pcc detach -k $file ||
+ error "PCC detach $file failed"
+ check_lpcc_state $file "readwrite" $SINGLEAGT "$RUNAS"
+ do_facet $SINGLEAGT $RUNAS $LFS pcc detach $file ||
+ error "PCC detach $file failed"
+ rm $file || error "rm $file failed"
+
+ echo "check open attach for root user"
+ do_facet $SINGLEAGT "echo -n autoattach_data > $file"
+ do_facet $SINGLEAGT $LFS pcc attach -i $HSM_ARCHIVE_NUMBER \
+ $file || error "PCC attach $file failed"
+ check_lpcc_state $file "readwrite"
+
+ # Revoke the layout lock, the PCC-cached file will be
+ # detached automatically.
+ do_facet $SINGLEAGT $LCTL \
+ set_param ldlm.namespaces.*mdc*.lru_size=clear
+ check_file_data $SINGLEAGT $file "autoattach_data"
+ check_lpcc_state $file "readwrite"
+
+ # Detach the file with -k option, as the file layout generation
+ # is not changed, so the file is still valid cached in PCC,
+ # and can be reused from PCC cache directly.
+ do_facet $SINGLEAGT $LFS pcc detach -k $file ||
+ error "PCC detach $file failed"
+ check_lpcc_state $file "readwrite"
+ # HSM released exists archived status
+ check_hsm_flags $file "0x0000000d"
+ check_file_data $SINGLEAGT $file "autoattach_data"
+
+ # HSM restore the PCC cached file, the layout generation
+ # was changed, so the file can not be auto attached.
+ $LFS hsm_restore $file || error "failed to restore $file"
+ wait_request_state $(path2fid $file) RESTORE SUCCEED
+ check_lpcc_state $file "none"
+ # HSM exists archived status
+ check_hsm_flags $file "0x00000009"
+
+}
+run_test 15 "Test auto attach at open when file is still valid cached"
+
+test_16() {
+ local loopfile="$TMP/$tfile"
+ local mntpt="/mnt/pcc.$tdir"
+ local hsm_root="$mntpt/$tdir"
+ local file=$DIR/$tfile
+ local -a lpcc_path
+
+ setup_loopdev $SINGLEAGT $loopfile $mntpt 50
+ copytool setup -m "$MOUNT" -a "$HSM_ARCHIVE_NUMBER"
+ setup_pcc_mapping
+
+ do_facet $SINGLEAGT "echo -n detach_data > $file"
+ lpcc_path=$(lpcc_fid2path $hsm_root $file)
+ do_facet $SINGLEAGT $LFS pcc attach -i $HSM_ARCHIVE_NUMBER \
+ $file || error "PCC attach $file failed"
+ check_lpcc_state $file "readwrite"
+ # HSM released exists archived status
+ check_hsm_flags $file "0x0000000d"
+
+ echo "Test for reusing valid PCC cache"
+ # Valid PCC cache can be reused
+ do_facet $SINGLEAGT $LFS pcc detach -k $file ||
+ error "PCC detach $file failed"
+ check_lpcc_state $file "readwrite"
+ # HSM released exists archived status
+ check_hsm_flags $file "0x0000000d"
+
+ echo "Test for the default detach"
+ # Permanent detach by default, it will remove the PCC copy
+ do_facet $SINGLEAGT $LFS pcc detach $file ||
+ error "PCC detach $file failed"
+ wait_request_state $(path2fid $file) REMOVE SUCCEED
+ check_lpcc_state $file "none"
+ # File is removed from PCC backend
+ check_hsm_flags $file "0x00000000"
+ do_facet $SINGLEAGT "[ -f $lpcc_path ]" &&
+ error "RW-PCC cached file '$lpcc_path' should be removed"
+
+ return 0
+}
+run_test 16 "Test detach with different options"
+
+test_17() {
+ local agt_host=$(facet_active_host $SINGLEAGT)
+ local loopfile="$TMP/$tfile"
+ local mntpt="/mnt/pcc.$tdir"
+ local hsm_root="$mntpt/$tdir"
+ local file=$DIR/$tfile
+
+ setup_loopdev $SINGLEAGT $loopfile $mntpt 50
+ copytool setup -m "$MOUNT" -a "$HSM_ARCHIVE_NUMBER"
+ setup_pcc_mapping $SINGLEAGT \
+ "projid={100}\ rwid=$HSM_ARCHIVE_NUMBER\ open_attach=0\ stat_attach=0"
+
+ do_facet $SINGLEAGT $LCTL pcc list $MOUNT
+
+ do_facet $SINGLEAGT "echo -n layout_refresh_data > $file"
+ do_facet $SINGLEAGT $LFS pcc attach -i $HSM_ARCHIVE_NUMBER $file ||
+ error "PCC attach $file failed"
+ check_lpcc_state $file "readwrite"
+
+ do_facet $SINGLEAGT $LFS pcc detach -k $file ||
+ error "PCC detach $file failed"
+ check_lpcc_state $file "none"
+
+ # Truncate should attach the file into PCC automatically
+ # as the PCC copy is still valid.
+ echo "Verify auto attach during IO for truncate"
+ do_facet $SINGLEAGT $TRUNCATE $file 4 || error "truncate $file failed"
+ check_lpcc_state $file "readwrite"
+
+ echo "Verify auto attach during IO for read/write"
+ rmultiop_start $agt_host $file O_r || error "open $file failed"
+ sleep 3
+
+ # Revoke the layout lock, the PCC-cached file will be
+ # detached automatically.
+ do_facet $SINGLEAGT $LCTL \
+ set_param ldlm.namespaces.*mdc*.lru_size=clear
+
+ check_lpcc_state $file "none"
+ rmultiop_stop $agt_host || error "close $file failed"
+ sleep 3
+ check_lpcc_state $file "readwrite"
+
+ do_facet $SINGLEAGT $LFS pcc detach -k $file ||
+ error "PCC detach $file failed"
+ check_lpcc_state $file "none"
+}
+run_test 17 "Test auto attach for layout refresh"
+
+test_18() {
+ local agt_host=$(facet_active_host $SINGLEAGT)
+ local loopfile="$TMP/$tfile"
+ local mntpt="/mnt/pcc.$tdir"
+ local hsm_root="$mntpt/$tdir"
+ local file=$DIR/$tfile
+ local oldmd5
+ local newmd5
+
+ setup_loopdev $SINGLEAGT $loopfile $mntpt 50
+ copytool setup -m "$MOUNT" -a "$HSM_ARCHIVE_NUMBER"
+ setup_pcc_mapping $SINGLEAGT \
+ "projid={100}\ rwid=$HSM_ARCHIVE_NUMBER"
+
+ do_facet $SINGLEAGT $LCTL pcc list $MOUNT
+ do_facet $SINGLEAGT dd if=/dev/urandom of=$file bs=1M count=4 ||
+ error "failed to write $file"
+ do_facet $SINGLEAGT $LFS pcc attach -i $HSM_ARCHIVE_NUMBER $file ||
+ error "failed to attach $file"
+ do_facet $SINGLEAGT $LFS pcc state $file
+ check_lpcc_state $file "readwrite"
+ do_facet $SINGLEAGT $LFS pcc detach --keep $file ||
+ error "failed to detach $file"
+ do_facet $SINGLEAGT $LFS pcc state $file
+ $CHECKSTAT -s 4194304 $file
+ dd if=/dev/zero of=$DIR2/$tfile seek=1k bs=1k count=1 ||
+ error "failed to write $DIR2/$tfile"
+ oldmd5=$(md5sum $DIR2/$tfile | awk '{print $1}')
+ $CHECKSTAT -s 1049600 $DIR2/$tfile || error "$DIR2/$tfile size wrong"
+
+ local lpcc_path=$(lpcc_fid2path $hsm_root $file)
+
+ do_facet $SINGLEAGT $LFS pcc state $file
+ check_file_size $SINGLEAGT $lpcc_path 4194304
+ do_facet $SINGLEAGT $LFS pcc attach -i $HSM_ARCHIVE_NUMBER $file ||
+ error "failed to attach $file"
+ check_lpcc_sizes $SINGLEAGT $lpcc_path $file 1049600
+ newmd5=$(do_facet $SINGLEAGT md5sum $file | awk '{print $1}')
+ [ "$oldmd5" == "$newmd5" ] || error "md5sum differ: $oldmd5 != $newmd5"
+ do_facet $SINGLEAGT $LFS pcc detach $file ||
+ error "failed to detach $file"
+}
+run_test 18 "Verify size correctness after re-attach the file"
+
+test_19() {
+ local agt_host=$(facet_active_host $SINGLEAGT)
+ local loopfile="$TMP/$tfile"
+ local mntpt="/mnt/pcc.$tdir"
+ local hsm_root="$mntpt/$tdir"
+ local file=$DIR/$tfile
+
+ setup_loopdev $SINGLEAGT $loopfile $mntpt 50
+ copytool setup -m "$MOUNT" -a "$HSM_ARCHIVE_NUMBER"
+ setup_pcc_mapping $SINGLEAGT \
+ "projid={100}\ rwid=$HSM_ARCHIVE_NUMBER\ auto_attach=0"
+
+ do_facet $SINGLEAGT "echo -n QQQQQ > $file" || error "echo $file failed"
+ lpcc_path=$(lpcc_fid2path $hsm_root $file)
+ do_facet $SINGLEAGT $LFS pcc attach -i $HSM_ARCHIVE_NUMBER $file ||
+ error "Failed to attach $file"
+ check_lpcc_state $file "readwrite"
+ check_lpcc_sizes $SINGLEAGT $file $lpcc_path 5
+ do_facet $SINGLEAGT $LFS pcc detach --keep $file ||
+ error "Failed to detach $file"
+ do_facet $SINGLEAGT $LFS pcc attach -i $HSM_ARCHIVE_NUMBER $file ||
+ error "Failed to attach $file"
+ check_lpcc_sizes $SINGLEAGT $file $lpcc_path 5
+ do_facet $SINGLEAGT $LFS pcc detach --keep $file ||
+ error "Failed to detach $file"
+}
+run_test 19 "Verify the file re-attach works as expected"
+
+test_20() {
+ local agt_host=$(facet_active_host $SINGLEAGT)
+ local loopfile="$TMP/$tfile"
+ local mntpt="/mnt/pcc.$tdir"
+ local hsm_root="$mntpt/$tdir"
+ local file=$DIR/$tfile
+
+ setup_loopdev $SINGLEAGT $loopfile $mntpt 50
+ copytool setup -m "$MOUNT" -a "$HSM_ARCHIVE_NUMBER"
+ setup_pcc_mapping $SINGLEAGT \
+ "projid={100}\ rwid=$HSM_ARCHIVE_NUMBER"
+
+ do_facet $SINGLEAGT "echo -n QQQQQ > $file" ||
+ error "echo $file failed"
+ do_facet $SINGLEAGT $LFS pcc attach -i $HSM_ARCHIVE_NUMBER $file ||
+ error "Failed to attach $file"
+ do_facet $SINGLEAGT "echo 3 > /proc/sys/vm/drop_caches"
+ check_lpcc_state $file "readwrite"
+ do_facet $SINGLEAGT "echo 3 > /proc/sys/vm/drop_caches"
+ do_facet $SINGLEAGT "echo 3 > /proc/sys/vm/drop_caches"
+ check_lpcc_state $file "readwrite"
+ do_facet $SINGLEAGT $LFS pcc detach $file ||
+ error "Failed to detach $file"
+}
+run_test 20 "Auto attach works after the inode was once evicted from cache"
+
+#test 101: containers and PCC
+#LU-15170: Test mount namespaces with PCC
+#This tests the cases where the PCC mount is not present in the container by
+#creating a mount namespace without the PCC mount in it (this is probably the
+#standard config for most containers)
+test_101a() {
+ local loopfile="$TMP/$tfile"
+ local mntpt="/mnt/pcc.$tdir"
+ local hsm_root="$mntpt/$tdir"
+ local file=$DIR/$tdir/$tfile
+
+ # Some kernels such as RHEL7 default to 0 user namespaces
+ local maxuserns=$(do_facet $SINGLEAGT cat /proc/sys/user/max_user_namespaces)
+ do_facet $SINGLEAGT "echo 10 > /proc/sys/user/max_user_namespaces"
+ stack_trap "do_facet $SINGLEAGT 'echo $maxuserns > /proc/sys/user/max_user_namespaces'"
+
+ echo "creating user namespace for $RUNAS_ID"
+ # Create a mount and user namespace with this command, and leave the
+ # process running so we can do the rest of our steps
+ do_facet $SINGLEAGT $RUNAS unshare -Um sleep 600 &
+ # Let the child start...
+ sleep 0.2
+ # Get the sleep PID so we can find its namespace and kill it later
+ PID=$(do_facet $SINGLEAGT pgrep sleep)
+ stack_trap "do_facet $SINGLEAGT kill -9 $PID" EXIT
+ echo "Created NS: child (sleep) pid $PID"
+ # Map 'RUNAS' to root in the namespace, so it has rights to do whatever
+ # This is handled by '-r' in unshare in newer versions
+ do_facet $SINGLEAGT $RUNAS newuidmap $PID 0 $RUNAS_ID 1 ||
+ error "could not map uid $RUNAS_ID to root in namespace"
+ do_facet $SINGLEAGT $RUNAS newgidmap $PID 0 $RUNAS_GID 1 ||
+ error "could not map gid $RUNAS_GID to root in namespace"
+
+ # Create PCC after creating namespace; namespace will not have PCC
+ # mount
+ setup_loopdev $SINGLEAGT $loopfile $mntpt 50
+
+ # Create a temp file inside the PCC mount to verify mount namespace
+ do_facet $SINGLEAGT touch $mntpt/$tfile.tmp
+ stack_trap "do_facet $SINGLEAGT rm -f $mntpt/$tfile.tmp" EXIT
+ echo "Check for temp file in PCC mount"
+ do_facet $SINGLEAGT test -f $mntpt/$tfile.tmp ||
+ error "Should see $mntpt/$tfile.tmp"
+ echo "Check for temp file in PCC mount from inside namespace"
+ do_facet $SINGLEAGT nsenter -t $PID -U -m test -f $mntpt/$tfile.tmp &&
+ error "Should not see $mntpt/$tfile.tmp from namespace"
+ rm -f $mntpt/$tfile.tmp
+
+ # Finish PCC setup
+ copytool setup -m "$MOUNT" -a "$HSM_ARCHIVE_NUMBER"
+ setup_pcc_mapping $SINGLEAGT "projid={100}\ rwid=$HSM_ARCHIVE_NUMBER"
+
+ mkdir_on_mdt0 $DIR/$tdir || error "mkdir $DIR/$tdir failed"
+ chmod 777 $DIR/$tdir || error "chmod 777 $DIR/$tdir failed"
+
+ echo "Verify open attach from inside mount namespace"
+ do_facet $SINGLEAGT nsenter -t $PID -U -m dd if=/dev/zero of=$file bs=1024 count=1 ||
+ error "failed to dd write to $file"
+ do_facet $SINGLEAGT nsenter -t $PID -U -m $LFS pcc attach \
+ -i $HSM_ARCHIVE_NUMBER $file || error "cannot attach $file"
+ do_facet $SINGLEAGT nsenter -t $PID -U -m $LFS pcc state $file
+
+ check_lpcc_state $file "readwrite" $SINGLEAGT "$RUNAS"
+ # Revoke the layout lock, the PCC-cached file will be
+ # detached automatically.
+ do_facet $SINGLEAGT $LCTL set_param ldlm.namespaces.*mdc*.lru_size=clear
+ check_lpcc_state $file "readwrite" $SINGLEAGT "$RUNAS"
+ # Detach the file but keep the cache, as the file layout generation
+ # is not changed, so the file is still valid cached in PCC, and can
+ # be reused from PCC cache directly.
+ do_facet $SINGLEAGT nsenter -t $PID -U -m $LFS pcc detach -k $file ||
+ error "PCC detach $file failed"
+ check_lpcc_state $file "readwrite" $SINGLEAGT "$RUNAS"
+ do_facet $SINGLEAGT nsenter -t $PID -U -m $LFS pcc detach $file ||
+ error "PCC detach $file failed"
+ do_facet $SINGLEAGT nsenter -t $PID -U -m dd if=/dev/zero of=$file bs=1024 count=1 ||
+ error "failed to dd write to $file"
+ rm -f $file || error "rm $file failed"
+
+ echo "Verify auto attach at open from inside NS for RW-PCC"
+ # nsenter has strange behavior with echo, which means we have to place
+ # this in a script so we can use sh, otherwise it doesn't execute echo
+ # in the namespace
+ # NB: using /bin/echo instead of the shell built in does not help
+ echo "echo -n autoattach_data > $file" > $DIR/$tdir/$tfile.shell
+ # File is owned by root, make it accessible to RUNAS user
+ chmod a+rw $DIR/$tdir/$tfile.shell
+ stack_trap 'rm -f $DIR/$tdir/$tfile.shell' EXIT
+ do_facet $SINGLEAGT nsenter -t $PID -U -m "sh $DIR/$tdir/$tfile.shell"
+ do_facet $SINGLEAGT nsenter -t $PID -U -m $LFS pcc attach -i $HSM_ARCHIVE_NUMBER \
+ $file || error "RW-PCC attach $file failed"
+ check_lpcc_state $file "readwrite"
+
+ # Revoke the layout lock, the PCC-cached file will be
+ # detached automatically.
+ do_facet $SINGLEAGT $LCTL set_param ldlm.namespaces.*mdc*.lru_size=clear
+ check_file_data $SINGLEAGT $file "autoattach_data" $PID
+ check_lpcc_state $file "readwrite"
+
+ # Detach the file with -k option, as the file layout generation
+ # is not changed, so the file is still valid cached in PCC,
+ # and can be reused from PCC cache directly.
+ do_facet $SINGLEAGT $LFS pcc detach -k $file ||
+ error "RW-PCC detach $file failed"
+ check_lpcc_state $file "readwrite"
+ # HSM released exists archived status
+ check_hsm_flags $file "0x0000000d"
+ check_file_data $SINGLEAGT $file "autoattach_data" $PID
+
+ # HSM restore the PCC cached file, the layout generation
+ # was changed, so the file can not be auto attached.
+ $LFS hsm_restore $file || error "failed to restore $file"
+ wait_request_state $(path2fid $file) RESTORE SUCCEED
+ check_lpcc_state $file "none"
+ # HSM exists archived status
+ check_hsm_flags $file "0x00000009"
+}
+run_test 101a "Test auto attach in mount namespace (simulated container)"
+