| #!/bin/ksh -p |
| # |
| # CDDL HEADER START |
| # |
| # This file and its contents are supplied under the terms of the |
| # Common Development and Distribution License ("CDDL"), version 1.0. |
| # You may only use this file in accordance with the terms of version |
| # 1.0 of the CDDL. |
| # |
| # A full copy of the text of the CDDL should have accompanied this |
| # source. A copy is of the CDDL is also available via the Internet |
| # at http://www.illumos.org/license/CDDL. |
| # |
| # CDDL HEADER END |
| # |
| |
| # |
| # Copyright(c) 2018 Datto Inc. |
| # |
| |
| . $STF_SUITE/include/libtest.shlib |
| |
| # |
| # DESCRIPTION: |
| # Verify multi mount functionality |
| # |
| # STRATEGY: |
| # 1. Create fs |
| # 2. Create and hold open file in filesystem |
| # 3. Lazy unmount |
| # 4. Verify remounting fs that was lazily unmounted is possible |
| # 5. Verify multiple mounts of the same dataset are possible |
| # 6. Verify bind mount doesn't prevent rename |
| # |
| |
| verify_runnable "both" |
| |
| function cleanup |
| { |
| ismounted $MNTPFS && log_must umount $MNTPFS |
| ismounted $MNTPFS2 && log_must umount $MNTPFS2 |
| ismounted $MNTPFS3 && log_must umount $MNTPFS3 |
| ismounted $MNTPFS4 && log_must umount $MNTPFS4 |
| ismounted $RENAMEMNT && log_must umount $RENAMEMNT |
| datasetexists $TESTDS && log_must destroy_dataset "$TESTDS" "-f" |
| } |
| log_onexit cleanup |
| |
| log_assert "Verify multiple mounts into one namespace are possible" |
| |
| # 1. Create fs |
| TESTDS="$TESTPOOL/multi-mount-test" |
| log_must zfs create $TESTDS |
| |
| # 2. Create and hold open file in filesystem |
| MNTPFS="$(get_prop mountpoint $TESTDS)" |
| FILENAME="$MNTPFS/file" |
| log_must mkfile 128k $FILENAME |
| log_must exec 9<> $FILENAME # open file |
| |
| # 3. Lazy umount |
| log_must umount -l $MNTPFS |
| if [ -f $FILENAME ]; then |
| log_fail "Lazy unmount failed" |
| fi |
| |
| # 4. Verify remounting fs that was lazily unmounted is possible |
| log_must zfs mount $TESTDS |
| if [ ! -f $FILENAME ]; then |
| log_fail "Lazy remount failed" |
| fi |
| log_must exec 9>&- # close fd |
| |
| # 5. Verify multiple mounts of the same dataset are possible |
| MNTPFS2="$MNTPFS-second" |
| FILENAME="$MNTPFS2/file" |
| log_must mkdir $MNTPFS2 |
| log_must mount -t zfs -o zfsutil $TESTDS $MNTPFS2 |
| if [ ! -f $FILENAME ]; then |
| log_fail "First multi mount failed" |
| fi |
| |
| MNTPFS3="$MNTPFS-third" |
| FILENAME="$MNTPFS3/file" |
| log_must mkdir $MNTPFS3 |
| log_must mount -t zfs -o zfsutil $TESTDS $MNTPFS3 |
| if [ ! -f $FILENAME ]; then |
| log_fail "Second multi mount failed" |
| fi |
| |
| # 6. Verify bind mount doesn't prevent rename |
| RENAMEFS="$TESTDS-newname" |
| MNTPFS4="$MNTPFS-fourth" |
| log_must mkdir $MNTPFS4 |
| log_must mount --bind $MNTPFS $MNTPFS4 |
| log_must zfs rename $TESTDS $RENAMEFS |
| RENAMEMNT="$(get_prop mountpoint $RENAMEFS)" |
| FILENAME="$RENAMEMNT/file" |
| if [ ! -f $FILENAME ]; then |
| log_fail "Rename failed" |
| fi |
| log_must zfs rename $RENAMEFS $TESTDS |
| |
| log_pass "Multiple mounts are possible" |
