Re: [PATCH 3/6] block: Create scsi_sense.h for SCSI and ATAPI

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On Tue, May 22, 2018 at 12:16 PM, Jens Axboe <axboe@xxxxxxxxx> wrote:
> On 5/22/18 1:13 PM, Christoph Hellwig wrote:
>> On Tue, May 22, 2018 at 01:09:41PM -0600, Jens Axboe wrote:
>>> I think Martin and Christoph are objecting to moving the code to
>>> block/scsi_ioctl.h. I don't care too much about where the code is, but
>>> think it would be nice to have the definitions in a separate header. But
>>> if they prefer just pulling in all of SCSI for it, well then I guess
>>> it's pointless to move the header bits. Seems very heavy handed to me,
>>> though.
>>
>> It might be heavy handed for the 3 remaining users of drivers/ide,
>
> Brutal :-)

Heh. I noticed a similar sense buffer use in drivers/cdrom/cdrom.c
too. Is this okay under the same considerations?

diff --git a/drivers/block/Kconfig b/drivers/block/Kconfig
index ad9b687a236a..220ff321c102 100644
--- a/drivers/block/Kconfig
+++ b/drivers/block/Kconfig
@@ -79,7 +79,7 @@ config GDROM
        tristate "SEGA Dreamcast GD-ROM drive"
        depends on SH_DREAMCAST
        select CDROM
-       select BLK_SCSI_REQUEST # only for the generic cdrom code
+       select SCSI
        help
          A standard SEGA Dreamcast comes with a modified CD ROM drive called a
          "GD-ROM" by SEGA to signify it is capable of reading special disks
@@ -345,7 +345,7 @@ config CDROM_PKTCDVD
        tristate "Packet writing on CD/DVD media (DEPRECATED)"
        depends on !UML
        select CDROM
-       select BLK_SCSI_REQUEST
+       select SCSI
        help
          Note: This driver is deprecated and will be removed from the
          kernel in the near future!
diff --git a/drivers/block/paride/Kconfig b/drivers/block/paride/Kconfig
index f8bd6ef3605a..7fdfcc5eaca5 100644
--- a/drivers/block/paride/Kconfig
+++ b/drivers/block/paride/Kconfig
@@ -27,7 +27,7 @@ config PARIDE_PCD
        tristate "Parallel port ATAPI CD-ROMs"
        depends on PARIDE
        select CDROM
-       select BLK_SCSI_REQUEST # only for the generic cdrom code
+       select SCSI
        ---help---
          This option enables the high-level driver for ATAPI CD-ROM devices
          connected through a parallel port. If you chose to build PARIDE

>> but as long as that stuff just keeps working I'd rather worry about
>> everyone else, and keep the scsi code where it belongs.
>
> Fine with me then, hopefully we can some day kill it off.

I'll send a v2. I found a few other things to fix up (including the
cdrom.c one).

Thanks!

-Kees

-- 
Kees Cook
Pixel Security
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