On Fri, 22 May 2020 16:51:57 +0000, Sudhakar Panneerselvam wrote:
> vhost-scsi pre-allocates the maximum sg entries per command and if a
> command requires more than VHOST_SCSI_PREALLOC_SGLS entries, then that
> command is failed by it. This patch lets vhost communicate the max sg limit
> when it registers vhost_scsi_ops with TCM. With this change, TCM would
> report the max sg entries through "Block Limits" VPD page which will be
> typically queried by the SCSI initiator during device discovery. By knowing
> this limit, the initiator could ensure the maximum transfer length is less
> than or equal to what is reported by vhost-scsi.
Applied to 5.8/scsi-queue, thanks!
[1/1] scsi: vhost: Notify TCM about the maximum sg entries supported per command
https://git.kernel.org/mkp/scsi/c/5ae6a6a91503
--
Martin K. Petersen Oracle Linux Engineering
