LU-9074 llite: Stop file creation for ro bind mnt

[fs/lustre-release.git] / lustre / tests / conf-sanity.sh

diff --git a/lustre/tests/conf-sanity.sh b/lustre/tests/conf-sanity.sh
index 4c1a314..4bca875 100755 (executable)
--- a/lustre/tests/conf-sanity.sh
+++ b/lustre/tests/conf-sanity.sh
@@ -7416,6 +7416,43 @@ test_104() { # LU-6952
 }
 run_test 104 "Make sure user defined options are reflected in mount"
 
+error_and_umount() {
+       umount $TMP/$tdir
+       rmdir $TMP/$tdir
+       error $*
+}
+
+test_105() {
+       cleanup
+       reformat
+       setup
+       mkdir -p $TMP/$tdir
+       mount --bind $DIR $TMP/$tdir || error "mount bind mnt pt failed"
+       rm -f $TMP/$tdir/$tfile
+       rm -f $TMP/$tdir/${tfile}1
+
+       # Files should not be created in ro bind mount point
+       # remounting from rw to ro
+       mount -o remount,ro $TMP/$tdir ||
+               error_and_umount "readonly remount of bind mnt pt failed"
+       touch $TMP/$tdir/$tfile &&
+               error_and_umount "touch succeeds on ro bind mnt pt"
+       [ -e $TMP/$tdir/$tfile ] &&
+               error_and_umount "file created on ro bind mnt pt"
+
+       # Files should be created in rw bind mount point
+       # remounting from ro to rw
+       mount -o remount,rw $TMP/$tdir ||
+               error_and_umount "read-write remount of bind mnt pt failed"
+       touch $TMP/$tdir/${tfile}1 ||
+               error_and_umount "touch fails on rw bind mnt pt"
+       [ -e $TMP/$tdir/${tfile}1 ] ||
+               error_and_umount "file not created on rw bind mnt pt"
+       umount $TMP/$tdir || error "umount of bind mnt pt failed"
+       rmdir $TMP/$tdir
+}
+run_test 105 "check file creation for ro and rw bind mnt pt"
+
 if ! combined_mgs_mds ; then
        stop mgs
 fi