On Wed, 23 Nov 2022 20:21:35 +0800, Wenchao Hao wrote:
> Following scenario would make scsi_device's iodone_cnt mismatch with
> iorequest_cnt even if there is no request on this device any more.
>
> 1. request timeout happened. If we do not retry the timeouted command,
> this command would be finished in scsi_finish_command() which would
> not increase the iodone_cnt; if the timeouted command is retried,
> another increasement for iorequest_cnt would be performed, the
> command might add iorequest_cnt for multiple times but iodone_cnt
> only once. Increase iodone_cnt in scsi_timeout() can handle this
> scenario.
>
> [...]
Applied to 6.2/scsi-queue, thanks!
[1/2] scsi: increase scsi device's iodone_cnt in scsi_timeout()
https://git.kernel.org/mkp/scsi/c/ec9780e48c77
[2/2] scsi: donot increase scsi_device's iorequest_cnt if dispatch failed
https://git.kernel.org/mkp/scsi/c/cfee29ffb45b
--
Martin K. Petersen Oracle Linux Engineering
