Messages in this thread | | | Subject | Re: [PATCH v5 3/9] iov_iter: Use IOCB/IOMAP_WRITE if available rather than iterator direction | From | "Martin K. Petersen" <> | Date | Fri, 13 Jan 2023 20:34:50 -0500 |
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Bart,
> I'm not sure that we still need the double copy in the sg driver. It > seems obscure to me that there is user space software that relies on > finding "0xec" in bytes not originating from a SCSI > device. Additionally, SCSI drivers that do not support residuals > should be something from the past.
Yeah. I'm not aware of anything that relies on this still. But obviously Doug has more experience in the app dependency department.
-- Martin K. Petersen Oracle Linux Engineering
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