Adding upstream version 16.2.11+ds.upstream/16.2.11+dsupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

15 files changed, 739 insertions, 0 deletions

diff --git a/qa/workunits/fs/misc/acl.sh b/qa/workunits/fs/misc/acl.sh
new file mode 100755
index 000000000..198b05671
--- /dev/null
+++ b/qa/workunits/fs/misc/acl.sh
@@ -0,0 +1,50 @@
+#!/bin/sh -x
+
+set -e
+mkdir -p testdir
+cd testdir
+
+set +e
+setfacl -d -m u:nobody:rw .
+if test $? != 0; then
+	echo "Filesystem does not support ACL"
+	exit 0
+fi
+
+expect_failure() {
+	if "$@"; then return 1; else return 0; fi
+}
+
+set -e
+c=0
+while [ $c -lt 100  ]
+do
+	c=`expr $c + 1`
+	# inherited ACL from parent directory's default ACL
+	mkdir d1
+	c1=`getfacl d1 | grep -c "nobody:rw"`
+	echo 3 | sudo tee /proc/sys/vm/drop_caches > /dev/null
+	c2=`getfacl d1 | grep -c "nobody:rw"`
+	rmdir d1
+	if [ $c1 -ne 2 ] || [ $c2 -ne 2 ]
+	then
+		echo "ERROR: incorrect ACLs"
+		exit 1
+	fi
+done
+
+mkdir d1
+
+# The ACL xattr only contains ACL header. ACL should be removed
+# in this case.
+setfattr -n system.posix_acl_access -v 0x02000000 d1
+setfattr -n system.posix_acl_default -v 0x02000000 .
+
+expect_failure getfattr -n system.posix_acl_access d1
+expect_failure getfattr -n system.posix_acl_default .
+
+
+rmdir d1
+cd ..
+rmdir testdir
+echo OK
diff --git a/qa/workunits/fs/misc/chmod.sh b/qa/workunits/fs/misc/chmod.sh
new file mode 100755
index 000000000..de66776f1
--- /dev/null
+++ b/qa/workunits/fs/misc/chmod.sh
@@ -0,0 +1,60 @@
+#!/bin/sh -x
+
+set -e
+
+check_perms() {
+
+	file=$1
+	r=$(ls -la ${file})
+	if test $? != 0; then
+		echo "ERROR: File listing/stat failed"
+		exit 1
+	fi
+
+	perms=$2
+	if test "${perms}" != $(echo ${r} | awk '{print $1}') && \
+           test "${perms}." != $(echo ${r} | awk '{print $1}') && \
+           test "${perms}+" != $(echo ${r} | awk '{print $1}'); then
+		echo "ERROR: Permissions should be ${perms}"
+		exit 1
+	fi
+}
+
+file=test_chmod.$$
+
+echo "foo" > ${file}
+if test $? != 0; then
+	echo "ERROR: Failed to create file ${file}"
+	exit 1
+fi
+
+chmod 400 ${file}
+if test $? != 0; then
+	echo "ERROR: Failed to change mode of ${file}"
+	exit 1
+fi
+
+check_perms ${file} "-r--------"
+
+set +e
+echo "bar" >> ${file}
+if test $? = 0; then
+	echo "ERROR: Write to read-only file should Fail"
+	exit 1
+fi
+
+set -e
+chmod 600 ${file}
+echo "bar" >> ${file}
+if test $? != 0; then
+	echo "ERROR: Write to writeable file failed"
+	exit 1
+fi
+
+check_perms ${file} "-rw-------"
+
+echo "foo" >> ${file}
+if test $? != 0; then
+	echo "ERROR: Failed to write to file"
+	exit 1
+fi
diff --git a/qa/workunits/fs/misc/dac_override.sh b/qa/workunits/fs/misc/dac_override.sh
new file mode 100755
index 000000000..dfb1a9091
--- /dev/null
+++ b/qa/workunits/fs/misc/dac_override.sh
@@ -0,0 +1,19 @@
+#!/bin/sh -x
+
+expect_failure() {
+	if "$@"; then return 1; else return 0; fi
+}
+
+set -e
+
+mkdir -p testdir
+file=test_chmod.$$
+
+echo "foo" > testdir/${file}
+sudo chmod 600 testdir
+
+# only root can read
+expect_failure cat testdir/${file}
+
+# directory read/write DAC override for root should allow read
+sudo cat testdir/${file}
diff --git a/qa/workunits/fs/misc/direct_io.py b/qa/workunits/fs/misc/direct_io.py
new file mode 100755
index 000000000..f7d59d95a
--- /dev/null
+++ b/qa/workunits/fs/misc/direct_io.py
@@ -0,0 +1,42 @@
+#!/usr/bin/python3
+
+import mmap
+import os
+import subprocess
+
+def main():
+    path = "testfile"
+    fd = os.open(path, os.O_RDWR | os.O_CREAT | os.O_TRUNC | os.O_DIRECT, 0o644)
+
+    ino = os.fstat(fd).st_ino
+    obj_name = "{ino:x}.00000000".format(ino=ino)
+    pool_name = os.getxattr(path, "ceph.file.layout.pool")
+
+    buf = mmap.mmap(-1, 1)
+    buf.write(b'1')
+    os.write(fd, buf)
+
+    proc = subprocess.Popen(['rados', '-p', pool_name, 'get', obj_name, 'tmpfile'])
+    proc.wait()
+
+    with open('tmpfile', 'rb') as tmpf:
+        out = tmpf.read(1)
+        if out != b'1':
+            raise RuntimeError("data were not written to object store directly")
+
+    with open('tmpfile', 'wb') as tmpf:
+        tmpf.write(b'2')
+
+    proc = subprocess.Popen(['rados', '-p', pool_name, 'put', obj_name, 'tmpfile'])
+    proc.wait()
+
+    os.lseek(fd, 0, os.SEEK_SET)
+    out = os.read(fd, 1)
+    if out != b'2':
+        raise RuntimeError("data were not directly read from object store")
+
+    os.close(fd)
+    print('ok')
+
+
+main()
diff --git a/qa/workunits/fs/misc/dirfrag.sh b/qa/workunits/fs/misc/dirfrag.sh
new file mode 100755
index 000000000..eea0ec3bc
--- /dev/null
+++ b/qa/workunits/fs/misc/dirfrag.sh
@@ -0,0 +1,52 @@
+#!/usr/bin/env bash
+
+set -e
+
+DEPTH=5
+COUNT=10000
+
+kill_jobs() {
+  jobs -p | xargs kill
+}
+trap kill_jobs INT
+
+create_files() {
+  for i in `seq 1 $COUNT`
+  do
+    touch file$i
+  done
+}
+
+delete_files() {
+  for i in `ls -f`
+  do
+    if [[ ${i}a = file*a ]]
+    then
+      rm -f $i
+    fi
+  done
+}
+
+rm -rf testdir
+mkdir testdir
+cd testdir
+
+echo "creating folder hierarchy"
+for i in `seq 1 $DEPTH`; do
+  mkdir dir$i
+  cd dir$i
+  create_files &
+done
+wait
+
+echo "created hierarchy, now cleaning up"
+
+for i in `seq 1 $DEPTH`; do
+  delete_files &
+  cd ..
+done
+wait
+
+echo "cleaned up hierarchy"
+cd ..
+rm -rf testdir
diff --git a/qa/workunits/fs/misc/filelock_deadlock.py b/qa/workunits/fs/misc/filelock_deadlock.py
new file mode 100755
index 000000000..398902f6c
--- /dev/null
+++ b/qa/workunits/fs/misc/filelock_deadlock.py
@@ -0,0 +1,72 @@
+#!/usr/bin/python3
+
+import errno
+import fcntl
+import os
+import signal
+import struct
+import time
+
+
+def handler(signum, frame):
+    pass
+
+
+def lock_two(f1, f2):
+    lockdata = struct.pack('hhllhh', fcntl.F_WRLCK, 0, 0, 10, 0, 0)
+    fcntl.fcntl(f1, fcntl.F_SETLKW, lockdata)
+    time.sleep(10)
+
+    # don't wait forever
+    signal.signal(signal.SIGALRM, handler)
+    signal.alarm(10)
+    exitcode = 0
+    try:
+        fcntl.fcntl(f2, fcntl.F_SETLKW, lockdata)
+    except IOError as e:
+        if e.errno == errno.EDEADLK:
+            exitcode = 1
+        elif e.errno == errno.EINTR:
+            exitcode = 2
+        else:
+            exitcode = 3
+    os._exit(exitcode)
+
+
+def main():
+    pid1 = os.fork()
+    if pid1 == 0:
+        f1 = open("testfile1", 'w')
+        f2 = open("testfile2", 'w')
+        lock_two(f1, f2)
+
+    pid2 = os.fork()
+    if pid2 == 0:
+        f1 = open("testfile2", 'w')
+        f2 = open("testfile3", 'w')
+        lock_two(f1, f2)
+
+    pid3 = os.fork()
+    if pid3 == 0:
+        f1 = open("testfile3", 'w')
+        f2 = open("testfile1", 'w')
+        lock_two(f1, f2)
+
+    deadlk_count = 0
+    i = 0
+    while i < 3:
+        pid, status = os.wait()
+        exitcode = status >> 8
+        if exitcode == 1:
+            deadlk_count += 1
+        elif exitcode != 0:
+            raise RuntimeError("unexpect exit code of child")
+        i += 1
+
+    if deadlk_count != 1:
+        raise RuntimeError("unexpect count of EDEADLK")
+
+    print('ok')
+
+
+main()
diff --git a/qa/workunits/fs/misc/filelock_interrupt.py b/qa/workunits/fs/misc/filelock_interrupt.py
new file mode 100755
index 000000000..5ebc480ba
--- /dev/null
+++ b/qa/workunits/fs/misc/filelock_interrupt.py
@@ -0,0 +1,94 @@
+#!/usr/bin/python3
+
+from contextlib import contextmanager
+import errno
+import fcntl
+import signal
+import struct
+
+@contextmanager
+def timeout(seconds):
+    def timeout_handler(signum, frame):
+        raise InterruptedError
+
+    orig_handler = signal.signal(signal.SIGALRM, timeout_handler)
+    try:
+        signal.alarm(seconds)
+        yield
+    finally:
+        signal.alarm(0)
+        signal.signal(signal.SIGALRM, orig_handler)
+
+
+"""
+introduced by Linux 3.15
+"""
+fcntl.F_OFD_GETLK = 36
+fcntl.F_OFD_SETLK = 37
+fcntl.F_OFD_SETLKW = 38
+
+
+def main():
+    f1 = open("testfile", 'w')
+    f2 = open("testfile", 'w')
+
+    fcntl.flock(f1, fcntl.LOCK_SH | fcntl.LOCK_NB)
+
+    """
+    is flock interruptible?
+    """
+    with timeout(5):
+        try:
+            fcntl.flock(f2, fcntl.LOCK_EX)
+        except InterruptedError:
+            pass
+        else:
+            raise RuntimeError("expect flock to block")
+
+    fcntl.flock(f1, fcntl.LOCK_UN)
+
+    lockdata = struct.pack('hhllhh', fcntl.F_WRLCK, 0, 0, 10, 0, 0)
+    try:
+        fcntl.fcntl(f1, fcntl.F_OFD_SETLK, lockdata)
+    except IOError as e:
+        if e.errno != errno.EINVAL:
+            raise
+        else:
+            print('kernel does not support fcntl.F_OFD_SETLK')
+            return
+
+    lockdata = struct.pack('hhllhh', fcntl.F_WRLCK, 0, 10, 10, 0, 0)
+    fcntl.fcntl(f2, fcntl.F_OFD_SETLK, lockdata)
+
+    """
+    is posix lock interruptible?
+    """
+    with timeout(5):
+        try:
+            lockdata = struct.pack('hhllhh', fcntl.F_WRLCK, 0, 0, 0, 0, 0)
+            fcntl.fcntl(f2, fcntl.F_OFD_SETLKW, lockdata)
+        except InterruptedError:
+            pass
+        else:
+            raise RuntimeError("expect posix lock to block")
+
+    """
+    file handler 2 should still hold lock on 10~10
+    """
+    try:
+        lockdata = struct.pack('hhllhh', fcntl.F_WRLCK, 0, 10, 10, 0, 0)
+        fcntl.fcntl(f1, fcntl.F_OFD_SETLK, lockdata)
+    except IOError as e:
+        if e.errno == errno.EAGAIN:
+            pass
+    else:
+        raise RuntimeError("expect file handler 2 to hold lock on 10~10")
+
+    lockdata = struct.pack('hhllhh', fcntl.F_UNLCK, 0, 0, 0, 0, 0)
+    fcntl.fcntl(f1, fcntl.F_OFD_SETLK, lockdata)
+    fcntl.fcntl(f2, fcntl.F_OFD_SETLK, lockdata)
+
+    print('ok')
+
+
+main()
diff --git a/qa/workunits/fs/misc/i_complete_vs_rename.sh b/qa/workunits/fs/misc/i_complete_vs_rename.sh
new file mode 100755
index 000000000..a9b98271d
--- /dev/null
+++ b/qa/workunits/fs/misc/i_complete_vs_rename.sh
@@ -0,0 +1,31 @@
+#!/bin/sh
+
+set -e
+
+mkdir x
+cd x
+touch a
+touch b
+touch c
+touch d
+ls
+chmod 777 .
+stat e || true
+touch f
+touch g
+
+# over existing file
+echo attempting rename over existing file...
+touch ../xx
+mv ../xx f
+ls | grep f || false
+echo rename over existing file is okay
+
+# over negative dentry
+echo attempting rename over negative dentry...
+touch ../xx
+mv ../xx e
+ls | grep e || false
+echo rename over negative dentry is ok
+
+echo OK
diff --git a/qa/workunits/fs/misc/layout_vxattrs.sh b/qa/workunits/fs/misc/layout_vxattrs.sh
new file mode 100755
index 000000000..811336273
--- /dev/null
+++ b/qa/workunits/fs/misc/layout_vxattrs.sh
@@ -0,0 +1,115 @@
+#!/usr/bin/env bash
+
+set -ex
+
+# detect data pool
+datapool=
+dir=.
+while true ; do
+    echo $dir
+    datapool=$(getfattr -n ceph.dir.layout.pool $dir --only-values) && break
+    dir=$dir/..
+done
+
+# file
+rm -f file file2
+touch file file2
+
+getfattr -n ceph.file.layout file
+getfattr -n ceph.file.layout file | grep -q object_size=
+getfattr -n ceph.file.layout file | grep -q stripe_count=
+getfattr -n ceph.file.layout file | grep -q stripe_unit=
+getfattr -n ceph.file.layout file | grep -q pool=
+getfattr -n ceph.file.layout.pool file
+getfattr -n ceph.file.layout.pool_namespace file
+getfattr -n ceph.file.layout.stripe_unit file
+getfattr -n ceph.file.layout.stripe_count file
+getfattr -n ceph.file.layout.object_size file
+
+getfattr -n ceph.file.layout.bogus file   2>&1 | grep -q 'No such attribute'
+getfattr -n ceph.dir.layout file    2>&1 | grep -q 'No such attribute'
+
+setfattr -n ceph.file.layout.stripe_unit -v 1048576 file2
+setfattr -n ceph.file.layout.stripe_count -v 8 file2
+setfattr -n ceph.file.layout.object_size -v 10485760 file2
+
+setfattr -n ceph.file.layout.pool -v $datapool file2
+getfattr -n ceph.file.layout.pool file2 | grep -q $datapool
+setfattr -n ceph.file.layout.pool_namespace -v foons file2
+getfattr -n ceph.file.layout.pool_namespace file2 | grep -q foons
+setfattr -x ceph.file.layout.pool_namespace file2
+getfattr -n ceph.file.layout.pool_namespace file2 | grep -q -v foons
+
+getfattr -n ceph.file.layout.stripe_unit file2 | grep -q 1048576
+getfattr -n ceph.file.layout.stripe_count file2 | grep -q 8
+getfattr -n ceph.file.layout.object_size file2 | grep -q 10485760
+
+setfattr -n ceph.file.layout -v "stripe_unit=4194304 stripe_count=16 object_size=41943040 pool=$datapool pool_namespace=foons" file2
+getfattr -n ceph.file.layout.stripe_unit file2 | grep -q 4194304
+getfattr -n ceph.file.layout.stripe_count file2 | grep -q 16
+getfattr -n ceph.file.layout.object_size file2 | grep -q 41943040
+getfattr -n ceph.file.layout.pool file2 | grep -q $datapool
+getfattr -n ceph.file.layout.pool_namespace file2 | grep -q foons
+
+setfattr -n ceph.file.layout -v "stripe_unit=1048576" file2
+getfattr -n ceph.file.layout.stripe_unit file2 | grep -q 1048576
+getfattr -n ceph.file.layout.stripe_count file2 | grep -q 16
+getfattr -n ceph.file.layout.object_size file2 | grep -q 41943040
+getfattr -n ceph.file.layout.pool file2 | grep -q $datapool
+getfattr -n ceph.file.layout.pool_namespace file2 | grep -q foons
+
+setfattr -n ceph.file.layout -v "stripe_unit=2097152 stripe_count=4 object_size=2097152 pool=$datapool pool_namespace=barns" file2
+getfattr -n ceph.file.layout.stripe_unit file2 | grep -q 2097152
+getfattr -n ceph.file.layout.stripe_count file2 | grep -q 4
+getfattr -n ceph.file.layout.object_size file2 | grep -q 2097152
+getfattr -n ceph.file.layout.pool file2 | grep -q $datapool
+getfattr -n ceph.file.layout.pool_namespace file2 | grep -q barns
+
+# dir
+rm -f dir/file || true
+rmdir dir || true
+mkdir -p dir
+
+getfattr -d -m - dir | grep -q ceph.dir.layout       && exit 1 || true
+getfattr -d -m - dir | grep -q ceph.file.layout      && exit 1 || true
+getfattr -n ceph.dir.layout dir                      && exit 1 || true
+
+setfattr -n ceph.dir.layout.stripe_unit -v 1048576 dir
+setfattr -n ceph.dir.layout.stripe_count -v 8 dir
+setfattr -n ceph.dir.layout.object_size -v 10485760 dir
+setfattr -n ceph.dir.layout.pool -v $datapool dir
+setfattr -n ceph.dir.layout.pool_namespace -v dirns dir
+
+getfattr -n ceph.dir.layout dir
+getfattr -n ceph.dir.layout dir | grep -q object_size=10485760
+getfattr -n ceph.dir.layout dir | grep -q stripe_count=8
+getfattr -n ceph.dir.layout dir | grep -q stripe_unit=1048576
+getfattr -n ceph.dir.layout dir | grep -q pool=$datapool
+getfattr -n ceph.dir.layout dir | grep -q pool_namespace=dirns
+getfattr -n ceph.dir.layout.pool dir | grep -q $datapool
+getfattr -n ceph.dir.layout.stripe_unit dir | grep -q 1048576
+getfattr -n ceph.dir.layout.stripe_count dir | grep -q 8
+getfattr -n ceph.dir.layout.object_size dir | grep -q 10485760
+getfattr -n ceph.dir.layout.pool_namespace dir | grep -q dirns
+
+
+setfattr -n ceph.file.layout -v "stripe_count=16" file2
+getfattr -n ceph.file.layout.stripe_count file2 | grep -q 16
+setfattr -n ceph.file.layout -v "object_size=10485760 stripe_count=8 stripe_unit=1048576 pool=$datapool pool_namespace=dirns" file2
+getfattr -n ceph.file.layout.stripe_count file2 | grep -q 8
+
+touch dir/file
+getfattr -n ceph.file.layout.pool dir/file | grep -q $datapool
+getfattr -n ceph.file.layout.stripe_unit dir/file | grep -q 1048576
+getfattr -n ceph.file.layout.stripe_count dir/file | grep -q 8
+getfattr -n ceph.file.layout.object_size dir/file | grep -q 10485760
+getfattr -n ceph.file.layout.pool_namespace dir/file | grep -q dirns
+
+setfattr -x ceph.dir.layout.pool_namespace dir
+getfattr -n ceph.dir.layout dir | grep -q -v pool_namespace=dirns
+
+setfattr -x ceph.dir.layout dir
+getfattr -n ceph.dir.layout dir     2>&1 | grep -q 'No such attribute'
+
+echo OK
+
diff --git a/qa/workunits/fs/misc/mkpool_layout_vxattrs.sh b/qa/workunits/fs/misc/mkpool_layout_vxattrs.sh
new file mode 100755
index 000000000..6b2fecbc0
--- /dev/null
+++ b/qa/workunits/fs/misc/mkpool_layout_vxattrs.sh
@@ -0,0 +1,15 @@
+#!/usr/bin/env bash
+
+set -e
+
+touch foo.$$
+ceph osd pool create foo.$$ 8
+ceph fs add_data_pool cephfs foo.$$
+setfattr -n ceph.file.layout.pool -v foo.$$ foo.$$
+
+# cleanup
+rm foo.$$
+ceph fs rm_data_pool cephfs foo.$$
+ceph osd pool rm foo.$$ foo.$$ --yes-i-really-really-mean-it
+
+echo OK
diff --git a/qa/workunits/fs/misc/multiple_rsync.sh b/qa/workunits/fs/misc/multiple_rsync.sh
new file mode 100755
index 000000000..4397c1e7f
--- /dev/null
+++ b/qa/workunits/fs/misc/multiple_rsync.sh
@@ -0,0 +1,25 @@
+#!/bin/sh -ex
+
+
+# Populate with some arbitrary files from the local system.  Take
+# a copy to protect against false fails from system updates during test.
+export PAYLOAD=/tmp/multiple_rsync_payload.$$
+sudo cp -r /usr/lib/ $PAYLOAD
+
+set -e
+
+sudo rsync -av $PAYLOAD payload.1
+sudo rsync -av $PAYLOAD payload.2
+
+# this shouldn't transfer any additional files
+echo we should get 4 here if no additional files are transferred
+sudo rsync -auv $PAYLOAD payload.1 | tee /tmp/$$
+hexdump -C /tmp/$$
+wc -l /tmp/$$ | grep 4
+sudo rsync -auv $PAYLOAD payload.2 | tee /tmp/$$
+hexdump -C /tmp/$$
+wc -l /tmp/$$ | grep 4
+echo OK
+
+rm /tmp/$$
+sudo rm -rf $PAYLOAD
diff --git a/qa/workunits/fs/misc/rstats.sh b/qa/workunits/fs/misc/rstats.sh
new file mode 100755
index 000000000..e6b3eddf2
--- /dev/null
+++ b/qa/workunits/fs/misc/rstats.sh
@@ -0,0 +1,80 @@
+#!/usr/bin/env bash
+
+set -x
+
+timeout=30
+old_value=""
+new_value=""
+
+wait_until_changed() {
+	name=$1
+	wait=0
+	while [ $wait -lt $timeout ]; do
+		new_value=`getfattr --only-value -n ceph.dir.$name .`
+		[ $new_value == $old_value ] || return 0
+		sleep 1
+		wait=$(($wait + 1))
+	done
+	return 1
+}
+
+check_rctime() {
+	old_sec=$(echo $old_value | cut -d. -f1)
+	old_nsec=$(echo $old_value | cut -d. -f2)
+	new_sec=$(echo $new_value | cut -d. -f1)
+	new_nsec=$(echo $new_value | cut -d. -f2)
+	[ "$old_sec" -lt "$new_sec" ] && return 0
+	[ "$old_sec" -gt "$new_sec" ] && return 1
+	[ "$old_nsec" -lt "$new_nsec" ] && return 0
+	return 1
+}
+
+# sync(3) does not make ceph-fuse flush dirty caps, because fuse kernel module
+# does not notify ceph-fuse about it. Use fsync(3) instead.
+fsync_path() {
+	cmd="import os; fd=os.open(\"$1\", os.O_RDONLY); os.fsync(fd); os.close(fd)"
+	python3 -c "$cmd"
+}
+
+set -e
+
+mkdir -p rstats_testdir/d1/d2
+cd rstats_testdir
+
+# rfiles
+old_value=`getfattr --only-value -n ceph.dir.rfiles .`
+[ $old_value == 0 ] || false
+touch d1/d2/f1
+wait_until_changed rfiles
+[ $new_value == $(($old_value + 1)) ] || false
+
+# rsubdirs
+old_value=`getfattr --only-value -n ceph.dir.rsubdirs .`
+[ $old_value == 3 ] || false
+mkdir d1/d2/d3
+wait_until_changed rsubdirs
+[ $new_value == $(($old_value + 1)) ] || false
+
+# rbytes
+old_value=`getfattr --only-value -n ceph.dir.rbytes .`
+[ $old_value == 0 ] || false
+echo hello > d1/d2/f2
+fsync_path d1/d2/f2
+wait_until_changed rbytes
+[ $new_value == $(($old_value + 6)) ] || false
+
+#rctime
+old_value=`getfattr --only-value -n ceph.dir.rctime .`
+touch d1/d2/d3 # touch existing file
+fsync_path d1/d2/d3
+wait_until_changed rctime
+check_rctime
+
+old_value=`getfattr --only-value -n ceph.dir.rctime .`
+touch d1/d2/f3 # create new file
+wait_until_changed rctime
+check_rctime
+
+cd ..
+rm -rf rstats_testdir
+echo OK
diff --git a/qa/workunits/fs/misc/subvolume.sh b/qa/workunits/fs/misc/subvolume.sh
new file mode 100755
index 000000000..75716a6cf
--- /dev/null
+++ b/qa/workunits/fs/misc/subvolume.sh
@@ -0,0 +1,63 @@
+#!/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
diff --git a/qa/workunits/fs/misc/trivial_sync.sh b/qa/workunits/fs/misc/trivial_sync.sh
new file mode 100755
index 000000000..7c8c4e2b4
--- /dev/null
+++ b/qa/workunits/fs/misc/trivial_sync.sh
@@ -0,0 +1,7 @@
+#!/usr/bin/env bash
+
+set -e
+
+mkdir foo
+echo foo > bar
+sync
diff --git a/qa/workunits/fs/misc/xattrs.sh b/qa/workunits/fs/misc/xattrs.sh
new file mode 100755
index 000000000..fcd94d22c
--- /dev/null
+++ b/qa/workunits/fs/misc/xattrs.sh
@@ -0,0 +1,14 @@
+#!/bin/sh -x
+
+set -e
+
+touch file
+
+setfattr -n user.foo -v foo file
+setfattr -n user.bar -v bar file
+setfattr -n user.empty file
+getfattr -d file | grep foo
+getfattr -d file | grep bar
+getfattr -d file | grep empty
+
+echo OK.