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From:   Bart Van Assche <Bart.VanAssche@wdc.com>
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Subject: Re: [PATCH V5 2/2] scsi: ufs: Add configfs support for ufs
 provisioning
Thread-Topic: [PATCH V5 2/2] scsi: ufs: Add configfs support for ufs
 provisioning
Thread-Index: AQHUFPGUXhOvLaP+Fk+rdyg77FCdGqSHMD2AgApewYCAAQWrAIAABPAAgAFUl4CAAAwCAIAAxnOAgACPZoA=
Date:   Wed, 18 Jul 2018 17:30:07 +0000
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On Wed, 2018-07-18 at 10:56 +-0200, gregkh+AEA-linuxfoundation.org wrote:
+AD4- On Tue, Jul 17, 2018 at 09:06:35PM +-0000, Bart Van Assche wrote:
+AD4- +AD4- On Tue, 2018-07-17 at 13:23 -0700, Evan Green wrote:
+AD4- +AD4- +AD4- I'm not dead set on binary, since as above I could do it =
either way,
+AD4- +AD4- +AD4- but it seemed worth at least talking through. Let me know=
 what you
+AD4- +AD4- +AD4- think.
+AD4- +AD4-=20
+AD4- +AD4- The configfs documentation (Documentation/filesystems/configfs/=
configfs.txt)
+AD4- +AD4- is clear about this: +ACI-Preferably only one value per file sh=
ould be used.+ACI- So
+AD4- +AD4- I would like to hear the opinion of someone who has more author=
ity than I
+AD4- +AD4- with regard to configfs.
+AD4-=20
+AD4- Don't we have +ACI-binary+ACI- files for configfs?  We have them for =
sysfs, they
+AD4- are for files that are not touched by the kernel and just +ACI-pass-t=
hrough+ACI-
+AD4- to the hardware.  Would that work here as well?

If a new version of the UFS spec would be introduced and that new version o=
f the
spec introduces a new layout for the binary descriptor, will it be possible=
 for
user space software to figure out which version of the binary descriptor fo=
rmat
that has to be used?

Thanks,

Bart.=