lkml.org 
[lkml]   [2018]   [Jun]   [26]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH BUGFIX RESEND 0/4] bfq: fix bugs breaking bandwidth guarantees occasionally
Hi.

On 25.06.2018 21:55, Paolo Valente wrote:
> Hi,
> during some bandwidth tests, I found some occasional but severe
> malfunctions (losses of bandwidth control). The first three patches in
> this series fix the bugs that caused these malfunctions. The last
> patch is a fix/improvement of the name of one of the functions
> involved with these bugs.
>
> I guess these patches are appropriate for next kernel release.
>
> Thanks,
> Paolo
>
> Paolo Valente (4):
> block, bfq: add/remove entity weights correctly
> block, bfq: do not expire a queue that will deserve dispatch plugging
> block, bfq: fix service being wrongly set to zero in case of
> preemption
> block, bfq: give a better name to bfq_bfqq_may_idle
>
> block/bfq-iosched.c | 131
> +++++++++++++++++++++++++++++++++++++++++++---------
> block/bfq-iosched.h | 7 ++-
> block/bfq-wf2q.c | 30 ++++++------
> 3 files changed, 128 insertions(+), 40 deletions(-)
>
> --
> 2.16.1

So far, no smoke or visible issues while running it on my 2 SSDs with a
daily workload applied.

Tested-by: Oleksandr Natalenko <oleksandr@natalenko.name>

Thanks.

--
Oleksandr Natalenko (post-factum)

\
 
 \ /
  Last update: 2018-06-26 22:45    [W:0.061 / U:0.700 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site