Fix zfs incremental send remove '-o' properties #7478
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When receiving an incremental send stream with intermediary snapshots zfs_receive_one() does not correctly identify the top-level dataset: consequently we restore said snapshots as if they were children datasets in the hierarchy, forcing inheritance of any property received with 'zfs send -o' and effectively removing any locally set value. The test case did not correctly verify this situation because it uses adjacent snapshots, basically testing 'zfs send -i' instead of 'zfs send -I': this commit adds an additional intermediary snapshot to the test script. Signed-off-by: loli10K <ezomori.nozomu@gmail.com>
Codecov Report
@@ Coverage Diff @@
## master #7478 +/- ##
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+ Coverage 76.58% 76.86% +0.28%
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Files 336 336
Lines 107137 107137
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+ Hits 82047 82356 +309
+ Misses 25090 24781 -309
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@pcd1193182 may want to take a look at this. |
tonyhutter
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Aug 15, 2018
When receiving an incremental send stream with intermediary snapshots zfs_receive_one() does not correctly identify the top-level dataset: consequently we restore said snapshots as if they were children datasets in the hierarchy, forcing inheritance of any property received with 'zfs send -o' and effectively removing any locally set value. The test case did not correctly verify this situation because it uses adjacent snapshots, basically testing 'zfs send -i' instead of 'zfs send -I': this commit adds an additional intermediary snapshot to the test script. Reviewed-by: Paul Dagnelie <pcd@delphix.com> Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: loli10K <ezomori.nozomu@gmail.com> Closes openzfs#7478
tonyhutter
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Aug 23, 2018
When receiving an incremental send stream with intermediary snapshots zfs_receive_one() does not correctly identify the top-level dataset: consequently we restore said snapshots as if they were children datasets in the hierarchy, forcing inheritance of any property received with 'zfs send -o' and effectively removing any locally set value. The test case did not correctly verify this situation because it uses adjacent snapshots, basically testing 'zfs send -i' instead of 'zfs send -I': this commit adds an additional intermediary snapshot to the test script. Reviewed-by: Paul Dagnelie <pcd@delphix.com> Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: loli10K <ezomori.nozomu@gmail.com> Closes openzfs#7478
tonyhutter
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Aug 27, 2018
When receiving an incremental send stream with intermediary snapshots zfs_receive_one() does not correctly identify the top-level dataset: consequently we restore said snapshots as if they were children datasets in the hierarchy, forcing inheritance of any property received with 'zfs send -o' and effectively removing any locally set value. The test case did not correctly verify this situation because it uses adjacent snapshots, basically testing 'zfs send -i' instead of 'zfs send -I': this commit adds an additional intermediary snapshot to the test script. Reviewed-by: Paul Dagnelie <pcd@delphix.com> Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: loli10K <ezomori.nozomu@gmail.com> Closes openzfs#7478
tonyhutter
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Sep 5, 2018
When receiving an incremental send stream with intermediary snapshots zfs_receive_one() does not correctly identify the top-level dataset: consequently we restore said snapshots as if they were children datasets in the hierarchy, forcing inheritance of any property received with 'zfs send -o' and effectively removing any locally set value. The test case did not correctly verify this situation because it uses adjacent snapshots, basically testing 'zfs send -i' instead of 'zfs send -I': this commit adds an additional intermediary snapshot to the test script. Reviewed-by: Paul Dagnelie <pcd@delphix.com> Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: loli10K <ezomori.nozomu@gmail.com> Closes openzfs#7478
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Description
This change should correctly identify the top-level dataset in
zfs_receive_one(). This was accidentally introduced in bee7e4f: the test case did not correctly verify this situation because it uses adjacent snapshots, basically testingzfs send -iinstead ofzfs send -I: this commit adds an additional intermediary snapshot to the test script.Motivation and Context
When receiving an incremental send stream with intermediary snapshots
zfs_receive_one()does not correctly identify the top-level dataset: consequently we restore said snapshots as if they were childrendatasets in the hierarchy, forcing inheritance of any property received with
zfs send -oand effectively removing any locally set value.How Has This Been Tested?
Reproducer:
Output with current master:
With patch applied:
Types of changes
Checklist:
Signed-off-by.