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Re: [Qemu-block] [PATCH v5 00/21] blockjobs: add explicit job management
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From: |
Kevin Wolf |
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Subject: |
Re: [Qemu-block] [PATCH v5 00/21] blockjobs: add explicit job management |
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Date: |
Mon, 12 Mar 2018 17:23:19 +0100 |
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User-agent: |
Mutt/1.9.1 (2017-09-22) |
Am 10.03.2018 um 09:27 hat John Snow geschrieben:
> This series seeks to address two distinct but closely related issues
> concerning the job management API.
>
> (1) For jobs that complete when a monitor is not attached and receiving
> events or notifications, there's no way to discern the job's final
> return code. Jobs must remain in the query list until dismissed
> for reliable management.
>
> (2) Jobs that change the block graph structure at an indeterminate point
> after the job starts compete with the management layer that relies
> on that graph structure to issue meaningful commands.
>
> This structure should change only at the behest of the management
> API, and not asynchronously at unknown points in time. Before a job
> issues such changes, it must rely on explicit and synchronous
> confirmation from the management API.
>
> These changes are implemented by formalizing a State Transition Machine
> for the BlockJob subsystem.
Thanks, applied to the block branch.
Kevin
- [Qemu-block] [PATCH v5 05/21] blockjobs: add state transition table, (continued)
- [Qemu-block] [PATCH v5 05/21] blockjobs: add state transition table, John Snow, 2018/03/10
- [Qemu-block] [PATCH v5 02/21] blockjobs: model single jobs as transactions, John Snow, 2018/03/10
- [Qemu-block] [PATCH v5 16/21] blockjobs: add waiting status, John Snow, 2018/03/10
- [Qemu-block] [PATCH v5 18/21] blockjobs: add block-job-finalize, John Snow, 2018/03/10
- [Qemu-block] [PATCH v5 04/21] blockjobs: add status enum, John Snow, 2018/03/10
- [Qemu-block] [PATCH v5 20/21] iotests: test manual job dismissal, John Snow, 2018/03/10
- [Qemu-block] [PATCH v5 21/21] tests/test-blockjob: test cancellations, John Snow, 2018/03/10
- [Qemu-block] [PATCH v5 17/21] blockjobs: add PENDING status and event, John Snow, 2018/03/10
- [Qemu-block] [PATCH v5 07/21] blockjobs: add block_job_verb permission table, John Snow, 2018/03/10
- [Qemu-block] [PATCH v5 19/21] blockjobs: Expose manual property, John Snow, 2018/03/10
- Re: [Qemu-block] [PATCH v5 00/21] blockjobs: add explicit job management,
Kevin Wolf <=
- Re: [Qemu-block] [Qemu-devel] [PATCH v5 00/21] blockjobs: add explicit job management, no-reply, 2018/03/12