lkml.org 
[lkml]   [2018]   [Jun]   [4]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
SubjectRe: [PATCH 1/7] scsi: ufs: Add Configuration Descriptor to sysfs
Date
On Tue, 2018-05-29 at 11:17 -0700, Evan Green wrote:
> This change adds the configuration descriptor to the UFS
> sysfs interface. This is done in preparation for making the
> interface writable, which will enable provisioning UFS devices
> via Linux.
>
> The configuration descriptor is laid out as a header, then a set of
> (usually 8) copies of the same descriptor for each unit. Rather than
> creating 8 sets of the same attribute, this interface adds a cfg_unit
> file, which can be set as an index that defines which of the 8
> configuration unit descriptors are being shown through sysfs.

I don't know any other example of a sysfs attribute that controls the
contents of another sysfs attribute so I don't know whether this kind
of behavior is acceptable for sysfs attributes. Additionally, how can
these two sysfs attributes be used together from concurrently running
processes without triggering a race condition?

Bart.



\
 
 \ /
  Last update: 2018-06-04 10:31    [W:0.136 / U:9.596 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site