From: Mike Christie <michael.christie@oracle.com>
To: martin.petersen@oracle.com, linux-scsi@vger.kernel.org,
target-devel@vger.kernel.org, mst@redhat.com,
jasowang@redhat.com, pbonzini@redhat.com, stefanha@redhat.com,
virtualization@lists.linux-foundation.org
Subject: [PATCH 00/11 V4] vhost: vhost-scsi bug fixes
Date: Wed, 04 Nov 2020 22:26:33 +0000 [thread overview]
Message-ID: <1604528804-2878-1-git-send-email-michael.christie@oracle.com> (raw)
The following patches made over Michael's vhost branch
https://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost.git/log/?h=vhost
The patches fix issues with vhost-scsi's 256 cmd limit
where if the guest sends more than 256 cmds it will get IO
errors, or even if exactly 256 are being sent then we can race and
get IO errors. The patches also add LUN RESET support so guests
that do not support resetting command timers will not get IO
errors and offlined devices when the physical device hits temp
issues.
Jason, you reviewed ever non scsi patch but 2 of them. I was not
sure if that was an oversight or you were ok with them. I'm sending
this out hoping you were ok with them and forgot to reply (or I guess
will be ok with them if you just missed them last time).
V4:
- really really fix compile errors
- dropped threading patches so we can figure that out separately.
V3:
- fix compile errors
- fix possible crash where cmd could be freed while adding it to
completion list
- fix issue where we added the worker thread to the blk cgroup but
the blk IO was submitted by a driver workqueue.
V2:
- fix use before set cpu var errors
- drop vhost_vq_is_setup
- include patches to do a worker thread per scsi IO vq
next reply other threads:[~2020-11-04 22:26 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-04 22:26 Mike Christie [this message]
2020-11-04 22:26 ` [PATCH 01/11] vhost scsi: add lun parser helper Mike Christie
2020-11-04 22:26 ` [PATCH 02/11] vhost: remove work arg from vhost_work_flush Mike Christie
2020-11-04 22:26 ` [PATCH 03/11] vhost net: use goto error handling in open Mike Christie
2020-11-04 22:26 ` [PATCH 04/11] vhost: prep vhost_dev_init users to handle failures Mike Christie
2020-11-04 22:26 ` [PATCH 05/11] vhost: move vq iovec allocation to dev init time Mike Christie
2020-11-09 3:41 ` Jason Wang
2020-11-04 22:26 ` [PATCH 06/11] vhost: support delayed vq creation Mike Christie
2020-11-09 4:01 ` Jason Wang
2020-11-09 18:41 ` Mike Christie
2020-11-09 20:30 ` Mike Christie
2020-11-09 22:32 ` Michael S. Tsirkin
2020-11-10 2:50 ` Jason Wang
2020-11-10 2:44 ` Jason Wang
2020-11-04 22:26 ` [PATCH 07/11] vhost scsi: support delayed IO " Mike Christie
2020-11-04 22:26 ` [PATCH 08/11] vhost scsi: alloc cmds per vq instead of session Mike Christie
2020-11-04 22:26 ` [PATCH 09/11] vhost scsi: fix cmd completion race Mike Christie
2020-11-04 22:26 ` [PATCH 10/11] vhost scsi: Add support for LUN resets Mike Christie
2020-11-04 22:26 ` [PATCH 11/11] vhost scsi: remove extra flushes Mike Christie
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