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Add support for zfs mount -R <filesystem>
This commit adds support for mounting a dataset along with all of it's children with '-R' flag for zfs mount. There can be scenarios where we want to mount all datasets under one hierarchy instead of mounting all datasets present on system with '-a' flag. '-R' flag should work on all root and non-root datasets. Usage information and man page has been updated for zfs mount. A test for verifying the behavior for '-R' flag is also added. Reviewed-by: Ameer Hamza <[email protected]> Reviewed-by: Alexander Motin <[email protected]> Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: Umer Saleem <[email protected]> Closes openzfs#16015
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146
tests/zfs-tests/tests/functional/cli_root/zfs_mount/zfs_mount_recursive.ksh
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| #!/bin/ksh -p | ||
| # | ||
| # CDDL HEADER START | ||
| # | ||
| # The contents of this file are subject to the terms of the | ||
| # Common Development and Distribution License (the "License"). | ||
| # You may not use this file except in compliance with the License. | ||
| # | ||
| # You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE | ||
| # or https://opensource.org/licenses/CDDL-1.0. | ||
| # See the License for the specific language governing permissions | ||
| # and limitations under the License. | ||
| # | ||
| # When distributing Covered Code, include this CDDL HEADER in each | ||
| # file and include the License file at usr/src/OPENSOLARIS.LICENSE. | ||
| # If applicable, add the following below this CDDL HEADER, with the | ||
| # fields enclosed by brackets "[]" replaced with your own identifying | ||
| # information: Portions Copyright [yyyy] [name of copyright owner] | ||
| # | ||
| # CDDL HEADER END | ||
| # | ||
|
|
||
| # | ||
| # Copyright 2024, iXsystems Inc. All rights reserved. | ||
| # | ||
|
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| . $STF_SUITE/include/libtest.shlib | ||
| . $STF_SUITE/tests/functional/cli_root/zfs_mount/zfs_mount.kshlib | ||
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| # | ||
| # DESCRIPTION: | ||
| # Verify zfs mount -R <filesystems/s> functionality. | ||
| # | ||
| # STRATEGY: | ||
| # 1. Create nested datasets | ||
| # 2. Unmount all datasets | ||
| # 3. Recusrively mount root datasets, this should mount all datasets | ||
| # present in a pool | ||
| # 4. Unmount all datasets | ||
| # 5. Recusrsively mount child datasets with children. This should mount | ||
| # child datasets, but not the root dataset or parent datasets | ||
| # 6. Unmount all datasets | ||
| # 7. Mount root dataset recursively again and confirm all child | ||
| # datasets are mounted. | ||
| # | ||
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| verify_runnable "both" | ||
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| function cleanup | ||
| { | ||
| log_must datasetexists $TESTPOOL/$TESTFS1 && \ | ||
| destroy_dataset $TESTPOOL/$TESTFS1 -R | ||
| log_must datasetexists $TESTPOOL/$TESTFS2 && \ | ||
| destroy_dataset $TESTPOOL/$TESTFS2 -R | ||
| log_must datasetexists $TESTPOOL/$TESTFS3 && \ | ||
| destroy_dataset $TESTPOOL/$TESTFS3 -R | ||
| } | ||
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| function setup_all | ||
| { | ||
| log_must datasetexists $TESTPOOL/$TESTFS || zfs create $TESTPOOL/$TESTFS | ||
| log_must zfs create $TESTPOOL/$TESTFS1 | ||
| log_must zfs create $TESTPOOL/$TESTFS2 | ||
| log_must zfs create $TESTPOOL/$TESTFS3 | ||
| log_must zfs create $TESTPOOL/$TESTFS2/child1 | ||
| log_must zfs create $TESTPOOL/$TESTFS2/child2 | ||
| log_must zfs create $TESTPOOL/$TESTFS2/child3 | ||
| log_must zfs create $TESTPOOL/$TESTFS2/child2/subchild | ||
| log_must zfs create $TESTPOOL/$TESTFS3/child | ||
| } | ||
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| log_assert "Verify that 'zfs $mountrecursive' successfully, " \ | ||
| "mounts the dataset along with all its children." | ||
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| log_onexit cleanup | ||
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| log_must setup_all | ||
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| log_must zfs $unmountall | ||
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| log_must zfs $mountrecursive $TESTPOOL | ||
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| log_must mounted $TESTPOOL | ||
| log_must mounted $TESTPOOL/$TESTFS | ||
| log_must mounted $TESTPOOL/$TESTFS1 | ||
| log_must mounted $TESTPOOL/$TESTFS2 | ||
| log_must mounted $TESTPOOL/$TESTFS3 | ||
| log_must mounted $TESTPOOL/$TESTFS2/child1 | ||
| log_must mounted $TESTPOOL/$TESTFS2/child2 | ||
| log_must mounted $TESTPOOL/$TESTFS2/child3 | ||
| log_must mounted $TESTPOOL/$TESTFS2/child2/subchild | ||
| log_must mounted $TESTPOOL/$TESTFS3/child | ||
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| log_must zfs $unmountall | ||
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| log_mustnot mounted $TESTPOOL | ||
| log_mustnot mounted $TESTPOOL/$TESTFS | ||
| log_mustnot mounted $TESTPOOL/$TESTFS1 | ||
| log_mustnot mounted $TESTPOOL/$TESTFS2 | ||
| log_mustnot mounted $TESTPOOL/$TESTFS3 | ||
| log_mustnot mounted $TESTPOOL/$TESTFS2/child1 | ||
| log_mustnot mounted $TESTPOOL/$TESTFS2/child2 | ||
| log_mustnot mounted $TESTPOOL/$TESTFS2/child3 | ||
| log_mustnot mounted $TESTPOOL/$TESTFS2/child2/subchild | ||
| log_mustnot mounted $TESTPOOL/$TESTFS3/child | ||
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| log_must zfs $mountrecursive $TESTPOOL/$TESTFS2 $TESTPOOL/$TESTFS3 | ||
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| log_mustnot mounted $TESTPOOL | ||
| log_mustnot mounted $TESTPOOL/$TESTFS | ||
| log_mustnot mounted $TESTPOOL/$TESTFS1 | ||
| log_must mounted $TESTPOOL/$TESTFS2 | ||
| log_must mounted $TESTPOOL/$TESTFS3 | ||
| log_must mounted $TESTPOOL/$TESTFS2/child1 | ||
| log_must mounted $TESTPOOL/$TESTFS2/child2 | ||
| log_must mounted $TESTPOOL/$TESTFS2/child3 | ||
| log_must mounted $TESTPOOL/$TESTFS2/child2/subchild | ||
| log_must mounted $TESTPOOL/$TESTFS3/child | ||
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| log_must zfs $unmountall | ||
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| log_mustnot mounted $TESTPOOL | ||
| log_mustnot mounted $TESTPOOL/$TESTFS | ||
| log_mustnot mounted $TESTPOOL/$TESTFS1 | ||
| log_mustnot mounted $TESTPOOL/$TESTFS2 | ||
| log_mustnot mounted $TESTPOOL/$TESTFS3 | ||
| log_mustnot mounted $TESTPOOL/$TESTFS2/child1 | ||
| log_mustnot mounted $TESTPOOL/$TESTFS2/child2 | ||
| log_mustnot mounted $TESTPOOL/$TESTFS2/child3 | ||
| log_mustnot mounted $TESTPOOL/$TESTFS2/child2/subchild | ||
| log_mustnot mounted $TESTPOOL/$TESTFS3/child | ||
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| log_must zfs $mountrecursive $TESTPOOL/$TESTFS2/child2 | ||
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| log_must mounted $TESTPOOL/$TESTFS2/child2 | ||
| log_must mounted $TESTPOOL/$TESTFS2/child2/subchild | ||
| log_mustnot mounted $TESTPOOL | ||
| log_mustnot mounted $TESTPOOL/$TESTFS | ||
| log_mustnot mounted $TESTPOOL/$TESTFS1 | ||
| log_mustnot mounted $TESTPOOL/$TESTFS2 | ||
| log_mustnot mounted $TESTPOOL/$TESTFS3 | ||
| log_mustnot mounted $TESTPOOL/$TESTFS2/child1 | ||
| log_mustnot mounted $TESTPOOL/$TESTFS2/child3 | ||
| log_mustnot mounted $TESTPOOL/$TESTFS3/child | ||
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| log_pass "'zfs $mountrecursive' behaves as expected." |