Adding upstream version 14.2.21.upstream/14.2.21upstream

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

1 files changed, 25 insertions, 0 deletions

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 00000000..49a1b271
--- /dev/null
+++ b/qa/workunits/fs/snaps/snaptest-double-null.sh
@@ -0,0 +1,25 @@
+#!/bin/sh -x
+
+set -e
+
+ceph fs set cephfs allow_new_snaps true --yes-i-really-mean-it
+
+# 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