Re: [PATCH 03/11] libata: Send internal commands through the block layer

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Tue, Mar 22, 2022 at 06:39:37PM +0800, John Garry wrote:
> When SCSI HBA device drivers are required to process an ATA internal
> command they still need a tag for the IO. This often requires the driver
> to set aside a set of tags for these sorts of IOs and manage the tags
> themselves.
> 
> If we associate a SCSI command (and request) with an ATA internal command
> then the tag is already provided, so introduce the change to send ATA
> internal commands through the block layer with a set of custom blk-mq ops.
> 
> note: I think that the timeout handling needs to be fixed up.

Any reason to not just send them through an ATA_16 passthrough CDB and
just use all the normal SCSI command handling?



[Index of Archives]     [Linux RAID]     [Linux SCSI]     [Linux ATA RAID]     [IDE]     [Linux Wireless]     [Linux Kernel]     [ATH6KL]     [Linux Bluetooth]     [Linux Netdev]     [Kernel Newbies]     [Security]     [Git]     [Netfilter]     [Bugtraq]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Device Mapper]

  Powered by Linux