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Re: [PATCH for-5.0 v4 3/5] blkdebug: Allow taking/unsharing permissions
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From: |
Vladimir Sementsov-Ogievskiy |
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Subject: |
Re: [PATCH for-5.0 v4 3/5] blkdebug: Allow taking/unsharing permissions |
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Date: |
Fri, 8 Nov 2019 15:19:03 +0000 |
08.11.2019 15:34, Max Reitz wrote:
> Sometimes it is useful to be able to add a node to the block graph that
> takes or unshare a certain set of permissions for debugging purposes.
> This patch adds this capability to blkdebug.
>
> (Note that you cannot make blkdebug release or share permissions that it
> needs to take or cannot share, because this might result in assertion
> failures in the block layer. But if the blkdebug node has no parents,
> it will not take any permissions and share everything by default, so you
> can then freely choose what permissions to take and share.)
>
> Signed-off-by: Max Reitz<address@hidden>
Reviewed-by: Vladimir Sementsov-Ogievskiy <address@hidden>
--
Best regards,
Vladimir
- [PATCH for-5.0 v4 0/5] iotests: Test failing mirror complete, Max Reitz, 2019/11/08
- [PATCH for-5.0 v4 1/5] block: Add bdrv_qapi_perm_to_blk_perm(), Max Reitz, 2019/11/08
- [PATCH for-5.0 v4 2/5] block: Use bdrv_qapi_perm_to_blk_perm(), Max Reitz, 2019/11/08
- [PATCH for-5.0 v4 3/5] blkdebug: Allow taking/unsharing permissions, Max Reitz, 2019/11/08
- Re: [PATCH for-5.0 v4 3/5] blkdebug: Allow taking/unsharing permissions,
Vladimir Sementsov-Ogievskiy <=
- [PATCH for-5.0 v4 4/5] iotests: Add @error to wait_until_completed, Max Reitz, 2019/11/08
- [PATCH for-5.0 v4 5/5] iotests: Add test for failing mirror complete, Max Reitz, 2019/11/08
- Re: [PATCH for-5.0 v4 0/5] iotests: Test failing mirror complete, Max Reitz, 2019/11/26