lkml.org 
[lkml]   [2021]   [Nov]   [11]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] usb: gadget: f_fs: Use stream_open() for endpoint files
On Thu, Nov 11, 2021 at 04:41:55PM +0530, Pavankumar Kondeti wrote:
> Function fs endpoint files does not have the notion of file position.
> So switch to stream like functionality. This allows concurrent threads
> to be blocked in the ffs read/write operations which use ffs_mutex_lock().
> The ffs mutex lock deploys interruptible wait. Otherwise, threads are
> blocking for the mutex lock in __fdget_pos(). For whatever reason, ff the
> host does not send/receive data for longer time, hung task warnings
> are observed.
>
> Change-Id: I602fa56fb5ed4c8c46e19df68c3335c4b12cae81

Always run scripts/checkpatch.pl on your patches so you do not get
grumpy maintainers asking you to run scripts/checkpatch.pl on them...

thanks,

greg k-h

\
 
 \ /
  Last update: 2021-11-11 12:39    [W:0.240 / U:0.344 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site