Fix issue of incorrect qgroup detection in #29835#30497
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In 29835 `BTRFS_IOC_INO_LOOKUP` was used for qgroup detection. However, this is not necessarily true because it only indicate the existance of tree id. This fix tries to fix the issue by using `BTRFS_IOC_TREE_SEARCH` with `BTRFS_QGROUP_STATUS_KEY` instead. In case qgroup is enabled, the search for `BTRFS_QGROUP_STATUS_KEY` should return valid. Signed-off-by: Yong Tang <[email protected]>
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Also, I am not familiar with Jenkins test setup for docker but it might make sense to add integration tests for storage drivers like btrfs. Not sure if it is possible though. |
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This PR could be superseded by #29427. |
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@yongtang should we close this one ? 👼 |
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Thanks @vdemeester. I will close this PR for now. Ideally we want to make sure #29427 is merged before the release of |
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In #29835
BTRFS_IOC_INO_LOOKUPwas used for qgroup detection.However, this is not necessarily true because it only indicates the existance of tree id in btrfs.
Overall, the way to test the qgroup is to use
btrfs qgroup show <path>and see if it returns something. The following code offers insight in checking qgroup:https://github.com/kdave/btrfs-progs/blob/v4.9/qgroup.c#L1035
This fix tries to fix the issue by using
BTRFS_IOC_TREE_SEARCHwithBTRFS_QGROUP_STATUS_KEYinstead.In case qgroup is enabled, the search for
BTRFS_QGROUP_STATUS_KEYshould be valid.Signed-off-by: Yong Tang [email protected]
/cc @cpuguy83 @tonistiigi @zhuguihua
Please take a look and sorry for the trouble and inconvenience the #29835 caused.