From e6918187568dbd01842d8d1d2c808ce16a894239 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 21 Apr 2024 13:54:28 +0200
Subject: Adding upstream version 18.2.2.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 qa/workunits/fs/snaps/snap-rm-diff.sh              | 10 ++++
 qa/workunits/fs/snaps/snaptest-1.sh                | 29 +++++++++++
 qa/workunits/fs/snaps/snaptest-2.sh                | 59 ++++++++++++++++++++++
 qa/workunits/fs/snaps/snaptest-authwb.sh           | 12 +++++
 qa/workunits/fs/snaps/snaptest-capwb.sh            | 33 ++++++++++++
 qa/workunits/fs/snaps/snaptest-dir-rename.sh       | 17 +++++++
 qa/workunits/fs/snaps/snaptest-double-null.sh      | 23 +++++++++
 qa/workunits/fs/snaps/snaptest-estale.sh           | 13 +++++
 qa/workunits/fs/snaps/snaptest-git-ceph.sh         | 52 +++++++++++++++++++
 qa/workunits/fs/snaps/snaptest-hardlink.sh         | 25 +++++++++
 qa/workunits/fs/snaps/snaptest-intodir.sh          | 22 ++++++++
 .../fs/snaps/snaptest-multiple-capsnaps.sh         | 42 +++++++++++++++
 qa/workunits/fs/snaps/snaptest-name-limits.sh      | 27 ++++++++++
 qa/workunits/fs/snaps/snaptest-parents.sh          | 39 ++++++++++++++
 qa/workunits/fs/snaps/snaptest-realm-split.sh      | 31 ++++++++++++
 qa/workunits/fs/snaps/snaptest-snap-rename.sh      | 33 ++++++++++++
 qa/workunits/fs/snaps/snaptest-snap-rm-cmp.sh      | 24 +++++++++
 qa/workunits/fs/snaps/snaptest-upchildrealms.sh    | 28 ++++++++++
 qa/workunits/fs/snaps/snaptest-xattrwb.sh          | 29 +++++++++++
 qa/workunits/fs/snaps/untar_snap_rm.sh             | 18 +++++++
 20 files changed, 566 insertions(+)
 create mode 100755 qa/workunits/fs/snaps/snap-rm-diff.sh
 create mode 100755 qa/workunits/fs/snaps/snaptest-1.sh
 create mode 100755 qa/workunits/fs/snaps/snaptest-2.sh
 create mode 100755 qa/workunits/fs/snaps/snaptest-authwb.sh
 create mode 100755 qa/workunits/fs/snaps/snaptest-capwb.sh
 create mode 100755 qa/workunits/fs/snaps/snaptest-dir-rename.sh
 create mode 100755 qa/workunits/fs/snaps/snaptest-double-null.sh
 create mode 100755 qa/workunits/fs/snaps/snaptest-estale.sh
 create mode 100755 qa/workunits/fs/snaps/snaptest-git-ceph.sh
 create mode 100755 qa/workunits/fs/snaps/snaptest-hardlink.sh
 create mode 100755 qa/workunits/fs/snaps/snaptest-intodir.sh
 create mode 100755 qa/workunits/fs/snaps/snaptest-multiple-capsnaps.sh
 create mode 100755 qa/workunits/fs/snaps/snaptest-name-limits.sh
 create mode 100755 qa/workunits/fs/snaps/snaptest-parents.sh
 create mode 100755 qa/workunits/fs/snaps/snaptest-realm-split.sh
 create mode 100755 qa/workunits/fs/snaps/snaptest-snap-rename.sh
 create mode 100755 qa/workunits/fs/snaps/snaptest-snap-rm-cmp.sh
 create mode 100755 qa/workunits/fs/snaps/snaptest-upchildrealms.sh
 create mode 100755 qa/workunits/fs/snaps/snaptest-xattrwb.sh
 create mode 100755 qa/workunits/fs/snaps/untar_snap_rm.sh

(limited to 'qa/workunits/fs/snaps')

diff --git a/qa/workunits/fs/snaps/snap-rm-diff.sh b/qa/workunits/fs/snaps/snap-rm-diff.sh
new file mode 100755
index 000000000..30ffa9113
--- /dev/null
+++ b/qa/workunits/fs/snaps/snap-rm-diff.sh
@@ -0,0 +1,10 @@
+#!/bin/sh -ex
+
+wget -q http://download.ceph.com/qa/linux-2.6.33.tar.bz2
+mkdir foo
+cp linux* foo
+mkdir foo/.snap/barsnap
+rm foo/linux*
+diff -q foo/.snap/barsnap/linux* linux* && echo "passed: files are identical"
+rmdir foo/.snap/barsnap
+echo OK
diff --git a/qa/workunits/fs/snaps/snaptest-1.sh b/qa/workunits/fs/snaps/snaptest-1.sh
new file mode 100755
index 000000000..431e83387
--- /dev/null
+++ b/qa/workunits/fs/snaps/snaptest-1.sh
@@ -0,0 +1,29 @@
+#!/usr/bin/env bash
+
+set -ex
+
+echo 1 > file1
+echo 2 > file2
+echo 3 > file3
+[ -e file4 ] && rm file4
+mkdir .snap/snap1
+echo 4 > file4
+now=`ls`
+then=`ls .snap/snap1`
+rmdir .snap/snap1
+if [ "$now" = "$then" ]; then
+    echo live and snap contents are identical?
+    false
+fi
+
+# do it again
+echo 1 > file1
+echo 2 > file2
+echo 3 > file3
+mkdir .snap/snap1
+echo 4 > file4
+rmdir .snap/snap1
+
+rm file?
+
+echo OK
diff --git a/qa/workunits/fs/snaps/snaptest-2.sh b/qa/workunits/fs/snaps/snaptest-2.sh
new file mode 100755
index 000000000..11fe9316a
--- /dev/null
+++ b/qa/workunits/fs/snaps/snaptest-2.sh
@@ -0,0 +1,59 @@
+#!/usr/bin/env bash
+
+echo "Create dir 100 to 199 ..."
+for i in $(seq 100 199); do
+	echo "    create dir $i"
+	mkdir "$i"
+	for y in $(seq 10 20); do
+		echo "This is a test file before any snapshot was taken." >"$i/$y"
+	done
+done
+
+echo "Take first snapshot .snap/test1"
+mkdir .snap/test1
+
+echo "Create dir 200 to 299 ..."
+for i in $(seq 200 299); do
+	echo "    create dir $i"
+        mkdir $i
+        for y in $(seq 20 29); do
+                echo "This is a test file. Created after .snap/test1" >"$i/$y"
+        done
+done
+
+echo "Create a snapshot in every first level dir ..."
+for dir in $(ls); do
+	echo "    create $dir/.snap/snap-subdir-test"
+	mkdir "$dir/.snap/snap-subdir-test"
+	for y in $(seq 30 39); do
+		echo "        create $dir/$y file after the snapshot"
+                echo "This is a test file. Created after $dir/.snap/snap-subdir-test" >"$dir/$y"
+        done
+done
+
+echo "Take second snapshot .snap/test2"
+mkdir .snap/test2
+
+echo "Copy content of .snap/test1 to copyofsnap1 ..."
+mkdir copyofsnap1
+cp -Rv .snap/test1 copyofsnap1/
+
+
+echo "Take third snapshot .snap/test3"
+mkdir .snap/test3
+
+echo "Delete the snapshots..."
+
+find ./ -type d -print | \
+        xargs -I% -n1 find %/.snap -mindepth 1 -maxdepth 1 \
+                         \( ! -name "_*" \) -print 2>/dev/null
+
+find ./ -type d -print | \
+	xargs -I% -n1 find %/.snap -mindepth 1 -maxdepth 1 \
+                         \( ! -name "_*" \) -print 2>/dev/null | \
+	xargs -n1 rmdir
+
+echo "Delete all the files and directories ..."
+rm -Rfv ./*
+
+echo OK
diff --git a/qa/workunits/fs/snaps/snaptest-authwb.sh b/qa/workunits/fs/snaps/snaptest-authwb.sh
new file mode 100755
index 000000000..965ee8512
--- /dev/null
+++ b/qa/workunits/fs/snaps/snaptest-authwb.sh
@@ -0,0 +1,12 @@
+#!/bin/sh -x
+
+set -e
+
+touch foo
+chmod +x foo
+mkdir .snap/s
+find .snap/s/foo -executable | grep foo
+rmdir .snap/s
+rm foo
+
+echo OK
diff --git a/qa/workunits/fs/snaps/snaptest-capwb.sh b/qa/workunits/fs/snaps/snaptest-capwb.sh
new file mode 100755
index 000000000..d26f324b6
--- /dev/null
+++ b/qa/workunits/fs/snaps/snaptest-capwb.sh
@@ -0,0 +1,33 @@
+#!/bin/sh -x
+
+set -e
+
+mkdir foo
+
+# make sure mds handles it when the client does not send flushsnap
+echo x > foo/x
+sync
+mkdir foo/.snap/ss
+ln foo/x foo/xx
+cat foo/.snap/ss/x
+rmdir foo/.snap/ss
+
+#
+echo a > foo/a
+echo b > foo/b
+mkdir foo/.snap/s
+r=`cat foo/.snap/s/a`
+[ -z "$r" ] && echo "a appears empty in snapshot" && false
+
+ln foo/b foo/b2
+cat foo/.snap/s/b
+
+echo "this used to hang:"
+echo more >> foo/b2
+echo "oh, it didn't hang! good job."
+cat foo/b
+rmdir foo/.snap/s
+
+rm -r foo
+
+echo OK
diff --git a/qa/workunits/fs/snaps/snaptest-dir-rename.sh b/qa/workunits/fs/snaps/snaptest-dir-rename.sh
new file mode 100755
index 000000000..3bbd9a11e
--- /dev/null
+++ b/qa/workunits/fs/snaps/snaptest-dir-rename.sh
@@ -0,0 +1,17 @@
+#!/bin/sh -x
+
+set -e
+
+#
+# make sure we keep an existing dn's seq
+#
+
+mkdir a
+mkdir .snap/bar
+mkdir a/.snap/foo
+rmdir a/.snap/foo
+rmdir a
+stat .snap/bar/a
+rmdir .snap/bar
+
+echo OK
diff --git a/qa/workunits/fs/snaps/snaptest-double-null.sh b/qa/workunits/fs/snaps/snaptest-double-null.sh
new file mode 100755
index 000000000..cdf32e4f0
--- /dev/null
+++ b/qa/workunits/fs/snaps/snaptest-double-null.sh
@@ -0,0 +1,23 @@
+#!/bin/sh -x
+
+set -e
+
+# multiple intervening snapshots with no modifications, and thus no
+# snapflush client_caps messages.  make sure the mds can handle this.
+
+for f in `seq 1 20` ; do
+
+mkdir a
+cat > a/foo &
+mkdir a/.snap/one
+mkdir a/.snap/two
+chmod 777 a/foo
+sync   # this might crash the mds
+ps
+rmdir a/.snap/*
+rm a/foo
+rmdir a
+
+done
+
+echo OK
diff --git a/qa/workunits/fs/snaps/snaptest-estale.sh b/qa/workunits/fs/snaps/snaptest-estale.sh
new file mode 100755
index 000000000..a4fb94368
--- /dev/null
+++ b/qa/workunits/fs/snaps/snaptest-estale.sh
@@ -0,0 +1,13 @@
+#!/bin/sh -x
+
+mkdir .snap/foo
+
+echo "We want ENOENT, not ESTALE, here."
+for f in `seq 1 100`
+do
+    stat .snap/foo/$f 2>&1 | grep 'No such file'
+done
+
+rmdir .snap/foo
+
+echo "OK"
diff --git a/qa/workunits/fs/snaps/snaptest-git-ceph.sh b/qa/workunits/fs/snaps/snaptest-git-ceph.sh
new file mode 100755
index 000000000..12c1f0fdc
--- /dev/null
+++ b/qa/workunits/fs/snaps/snaptest-git-ceph.sh
@@ -0,0 +1,52 @@
+#!/bin/sh -x
+
+set -e
+
+# try it again if the clone is slow and the second time
+retried=false
+trap -- 'retry' EXIT
+retry() {
+    rm -rf ceph
+    # double the timeout value
+    timeout 3600 git clone https://git.ceph.com/ceph.git
+}
+rm -rf ceph
+timeout 1800 git clone https://git.ceph.com/ceph.git
+trap - EXIT
+cd ceph
+
+versions=`seq 1 90`
+
+for v in $versions
+do
+    if [ $v -eq 48 ]; then
+        continue
+    fi
+    ver="v0.$v"
+    echo $ver
+    git reset --hard $ver
+    mkdir .snap/$ver
+done
+
+for v in $versions
+do
+    if [ $v -eq 48 ]; then
+        continue
+    fi
+    ver="v0.$v"
+    echo checking $ver
+    cd .snap/$ver
+    git diff --exit-code
+    cd ../..
+done
+
+for v in $versions
+do
+    if [ $v -eq 48 ]; then
+        continue
+    fi
+    ver="v0.$v"
+    rmdir .snap/$ver
+done
+
+echo OK
diff --git a/qa/workunits/fs/snaps/snaptest-hardlink.sh b/qa/workunits/fs/snaps/snaptest-hardlink.sh
new file mode 100755
index 000000000..90f3583b1
--- /dev/null
+++ b/qa/workunits/fs/snaps/snaptest-hardlink.sh
@@ -0,0 +1,25 @@
+#!/bin/sh -x
+
+set -e
+
+mkdir 1 2
+echo asdf >1/file1
+echo asdf >1/file2
+
+ln 1/file1 2/file1
+ln 1/file2 2/file2
+
+mkdir 2/.snap/s1
+
+echo qwer >1/file1
+grep asdf 2/.snap/s1/file1
+
+rm -f 1/file2
+grep asdf 2/.snap/s1/file2
+rm -f 2/file2
+grep asdf 2/.snap/s1/file2
+
+rmdir 2/.snap/s1
+rm -rf 1 2
+
+echo OK
diff --git a/qa/workunits/fs/snaps/snaptest-intodir.sh b/qa/workunits/fs/snaps/snaptest-intodir.sh
new file mode 100755
index 000000000..d6a220f73
--- /dev/null
+++ b/qa/workunits/fs/snaps/snaptest-intodir.sh
@@ -0,0 +1,22 @@
+#!/bin/sh -ex
+
+# this tests fix for #1399
+mkdir foo
+mkdir foo/.snap/one
+touch bar
+mv bar foo
+sync
+# should not crash :)
+
+mkdir baz
+mkdir baz/.snap/two
+mv baz foo
+sync
+# should not crash :)
+
+# clean up.
+rmdir foo/baz/.snap/two
+rmdir foo/.snap/one
+rm -r foo
+
+echo OK
diff --git a/qa/workunits/fs/snaps/snaptest-multiple-capsnaps.sh b/qa/workunits/fs/snaps/snaptest-multiple-capsnaps.sh
new file mode 100755
index 000000000..5ebc852cf
--- /dev/null
+++ b/qa/workunits/fs/snaps/snaptest-multiple-capsnaps.sh
@@ -0,0 +1,42 @@
+#!/bin/sh -x
+
+set -e
+
+echo asdf > a
+mkdir .snap/1
+chmod 777 a
+mkdir .snap/2
+echo qwer > a
+mkdir .snap/3
+chmod 666 a
+mkdir .snap/4
+echo zxcv > a
+mkdir .snap/5
+
+ls -al .snap/?/a
+
+grep asdf .snap/1/a
+stat .snap/1/a | grep 'Size: 5'
+
+grep asdf .snap/2/a
+stat .snap/2/a | grep 'Size: 5'
+stat .snap/2/a | grep -- '-rwxrwxrwx'
+
+grep qwer .snap/3/a
+stat .snap/3/a | grep 'Size: 5'
+stat .snap/3/a | grep -- '-rwxrwxrwx'
+
+grep qwer .snap/4/a
+stat .snap/4/a | grep 'Size: 5'
+stat .snap/4/a | grep -- '-rw-rw-rw-'
+
+grep zxcv .snap/5/a
+stat .snap/5/a | grep 'Size: 5'
+stat .snap/5/a | grep -- '-rw-rw-rw-'
+
+rmdir .snap/[12345]
+
+echo "OK"
+
+
+
diff --git a/qa/workunits/fs/snaps/snaptest-name-limits.sh b/qa/workunits/fs/snaps/snaptest-name-limits.sh
new file mode 100755
index 000000000..f40d0231e
--- /dev/null
+++ b/qa/workunits/fs/snaps/snaptest-name-limits.sh
@@ -0,0 +1,27 @@
+#!/bin/bash
+#
+# This tests snapshot names limits: names have to be < 240 chars
+#
+
+function cleanup ()
+{
+	rmdir d1/.snap/*
+	rm -rf d1
+}
+
+function fail ()
+{
+	echo $@
+	cleanup
+	exit 1
+}
+
+mkdir d1
+
+longname=$(printf "%.241d" 2)
+mkdir d1/.snap/$longname 2> /dev/null
+[ -d d1/.snap/$longname ] && fail "Invalid snapshot exists: $longname"
+
+cleanup
+
+echo OK
diff --git a/qa/workunits/fs/snaps/snaptest-parents.sh b/qa/workunits/fs/snaps/snaptest-parents.sh
new file mode 100755
index 000000000..7ab1ba7cf
--- /dev/null
+++ b/qa/workunits/fs/snaps/snaptest-parents.sh
@@ -0,0 +1,39 @@
+#!/bin/sh
+
+set -e
+
+echo "making directory tree and files"
+mkdir -p 1/a/b/c/
+echo "i'm file1" > 1/a/file1
+echo "i'm file2" > 1/a/b/file2
+echo "i'm file3" > 1/a/b/c/file3
+echo "snapshotting"
+mkdir 1/.snap/foosnap1
+mkdir 2
+echo "moving tree"
+mv 1/a 2
+echo "checking snapshot contains tree..."
+dir1=`find 1/.snap/foosnap1 | wc -w`
+dir2=`find 2/ | wc -w`
+#diff $dir1 $dir2 && echo "Success!"
+test $dir1==$dir2 && echo "Success!"
+echo "adding folder and file to tree..."
+mkdir 2/a/b/c/d
+echo "i'm file 4!" > 2/a/b/c/d/file4
+echo "snapshotting tree 2"
+mkdir 2/.snap/barsnap2
+echo "comparing snapshots"
+dir1=`find 1/.snap/foosnap1/ -maxdepth 2 | wc -w`
+dir2=`find 2/.snap/barsnap2/ -maxdepth 2 | wc -w`
+#diff $dir1 $dir2 && echo "Success!"
+test $dir1==$dir2 && echo "Success!"
+echo "moving subtree to first folder"
+mv 2/a/b/c 1
+echo "comparing snapshots and new tree"
+dir1=`find 1/ | wc -w`
+dir2=`find 2/.snap/barsnap2/a/b/c | wc -w`
+#diff $dir1 $dir2 && echo "Success!"
+test $dir1==$dir2 && echo "Success!"
+rmdir 1/.snap/*
+rmdir 2/.snap/*
+echo "OK"
diff --git a/qa/workunits/fs/snaps/snaptest-realm-split.sh b/qa/workunits/fs/snaps/snaptest-realm-split.sh
new file mode 100755
index 000000000..300cca21d
--- /dev/null
+++ b/qa/workunits/fs/snaps/snaptest-realm-split.sh
@@ -0,0 +1,31 @@
+#!/bin/sh -x
+
+set -e
+
+mkdir -p 1/a
+exec 3<> 1/a/file1
+
+echo -n a >&3
+
+mkdir 1/.snap/s1
+
+echo -n b >&3
+
+mkdir 2
+# create new snaprealm at dir a, file1's cap should be attached to the new snaprealm
+mv 1/a 2
+
+mkdir 2/.snap/s2
+
+echo -n c >&3
+
+exec 3>&-
+
+grep '^a$' 1/.snap/s1/a/file1
+grep '^ab$' 2/.snap/s2/a/file1
+grep '^abc$' 2/a/file1
+
+rmdir 1/.snap/s1
+rmdir 2/.snap/s2
+rm -rf 1 2
+echo OK
diff --git a/qa/workunits/fs/snaps/snaptest-snap-rename.sh b/qa/workunits/fs/snaps/snaptest-snap-rename.sh
new file mode 100755
index 000000000..aa7325b92
--- /dev/null
+++ b/qa/workunits/fs/snaps/snaptest-snap-rename.sh
@@ -0,0 +1,33 @@
+#!/bin/sh -x
+
+expect_failure() {
+	if "$@"; then return 1; else return 0; fi
+}
+set -e
+
+mkdir -p d1/d2
+mkdir -p d1/d3
+mkdir d1/.snap/foo
+mkdir d1/d2/.snap/foo
+mkdir d1/d3/.snap/foo
+mkdir d1/d3/.snap/bar
+mv d1/d2/.snap/foo d1/d2/.snap/bar
+# snapshot name can't start with _
+expect_failure mv d1/d2/.snap/bar d1/d2/.snap/_bar
+# can't rename parent snapshot
+expect_failure mv d1/d2/.snap/_foo_* d1/d2/.snap/foo
+expect_failure mv d1/d2/.snap/_foo_* d1/d2/.snap/_foo_1
+# can't rename snapshot to different directroy
+expect_failure mv d1/d2/.snap/bar d1/.snap/
+# can't overwrite existing snapshot
+expect_failure python3 -c "import os; os.rename('d1/d3/.snap/foo', 'd1/d3/.snap/bar')"
+# can't move snaphost out of snapdir
+expect_failure python3 -c "import os; os.rename('d1/.snap/foo', 'd1/foo')"
+
+rmdir d1/.snap/foo
+rmdir d1/d2/.snap/bar
+rmdir d1/d3/.snap/foo
+rmdir d1/d3/.snap/bar
+rm -rf d1
+
+echo OK
diff --git a/qa/workunits/fs/snaps/snaptest-snap-rm-cmp.sh b/qa/workunits/fs/snaps/snaptest-snap-rm-cmp.sh
new file mode 100755
index 000000000..88a0e8ae5
--- /dev/null
+++ b/qa/workunits/fs/snaps/snaptest-snap-rm-cmp.sh
@@ -0,0 +1,24 @@
+#!/bin/sh -x
+
+set -e
+
+file=linux-2.6.33.tar.bz2
+wget -q http://download.ceph.com/qa/$file
+
+real=`md5sum $file | awk '{print $1}'`
+
+for f in `seq 1 20`
+do
+    echo $f
+    cp $file a
+    mkdir .snap/s
+    rm a
+    cp .snap/s/a /tmp/a
+    cur=`md5sum /tmp/a | awk '{print $1}'`
+    if [ "$cur" != "$real" ]; then
+	echo "FAIL: bad match, /tmp/a $cur != real $real"
+	false
+    fi
+    rmdir .snap/s
+done
+rm $file
diff --git a/qa/workunits/fs/snaps/snaptest-upchildrealms.sh b/qa/workunits/fs/snaps/snaptest-upchildrealms.sh
new file mode 100755
index 000000000..4e531a966
--- /dev/null
+++ b/qa/workunits/fs/snaps/snaptest-upchildrealms.sh
@@ -0,0 +1,28 @@
+#!/bin/sh -x
+
+set -e
+
+#
+# verify that a snap update on a parent realm will induce
+# snap cap writeback for inodes child realms
+#
+
+mkdir a
+mkdir a/b
+mkdir a/.snap/a1
+mkdir a/b/.snap/b1
+echo asdf > a/b/foo
+mkdir a/.snap/a2
+# client _should_ have just queued a capsnap for writeback
+ln a/b/foo a/b/bar       # make the server cow the inode
+
+echo "this should not hang..."
+cat a/b/.snap/_a2_*/foo
+echo "good, it did not hang."
+
+rmdir a/b/.snap/b1
+rmdir a/.snap/a1
+rmdir a/.snap/a2
+rm -r a
+
+echo "OK"
diff --git a/qa/workunits/fs/snaps/snaptest-xattrwb.sh b/qa/workunits/fs/snaps/snaptest-xattrwb.sh
new file mode 100755
index 000000000..e503aed77
--- /dev/null
+++ b/qa/workunits/fs/snaps/snaptest-xattrwb.sh
@@ -0,0 +1,29 @@
+#!/bin/sh -x
+
+set -e
+
+echo "testing simple xattr wb"
+touch x
+setfattr -n user.foo x
+mkdir .snap/s1
+getfattr -n user.foo .snap/s1/x | grep user.foo
+rm x
+rmdir .snap/s1
+
+echo "testing wb with pre-wb server cow"
+mkdir a
+mkdir a/b
+mkdir a/b/c
+# b now has As but not Ax
+setfattr -n user.foo a/b
+mkdir a/.snap/s
+mkdir a/b/cc
+# b now has been cowed on the server, but we still have dirty xattr caps
+getfattr -n user.foo a/b          # there they are...
+getfattr -n user.foo a/.snap/s/b | grep user.foo  # should be there, too!
+
+# ok, clean up
+rmdir a/.snap/s
+rm -r a
+
+echo OK
diff --git a/qa/workunits/fs/snaps/untar_snap_rm.sh b/qa/workunits/fs/snaps/untar_snap_rm.sh
new file mode 100755
index 000000000..8a8412e66
--- /dev/null
+++ b/qa/workunits/fs/snaps/untar_snap_rm.sh
@@ -0,0 +1,18 @@
+#!/bin/sh
+
+set -e
+
+do_tarball() {
+    wget http://download.ceph.com/qa/$1
+    tar xvf$2 $1
+    mkdir .snap/k
+    sync
+    rm -rv $3
+    cp -av .snap/k .
+    rmdir .snap/k
+    rm -rv k
+    rm $1
+}
+
+do_tarball coreutils_8.5.orig.tar.gz z coreutils-8.5
+do_tarball linux-2.6.33.tar.bz2 j linux-2.6.33
-- 
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