Re: [PATCH] lightnvm: pblk: prevent stall due to wb threshold

2019-01-29 Thread Javier González
> On 29 Jan 2019, at 11.15, Hans Holmberg > wrote: > > On Fri, Jan 25, 2019 at 2:08 PM Matias Bjørling wrote: >> On 1/25/19 11:09 AM, Javier González wrote: >>> In order to respect mw_cuinits, pblk's write buffer maintains a >>> backpointer to protect data not yet persisted; when writing to th

Re: [PATCH] lightnvm: pblk: prevent stall due to wb threshold

2019-01-29 Thread Hans Holmberg
On Fri, Jan 25, 2019 at 2:08 PM Matias Bjørling wrote: > > On 1/25/19 11:09 AM, Javier González wrote: > > In order to respect mw_cuinits, pblk's write buffer maintains a > > backpointer to protect data not yet persisted; when writing to the write > > buffer, this backpointer defines a threshold t

Re: [PATCH] lightnvm: pblk: prevent stall due to wb threshold

2019-01-25 Thread Matias Bjørling
On 1/25/19 11:09 AM, Javier González wrote: In order to respect mw_cuinits, pblk's write buffer maintains a backpointer to protect data not yet persisted; when writing to the write buffer, this backpointer defines a threshold that pblk's rate-limiter enforces. On small PU configurations, the fol

[PATCH] lightnvm: pblk: prevent stall due to wb threshold

2019-01-25 Thread Javier González
In order to respect mw_cuinits, pblk's write buffer maintains a backpointer to protect data not yet persisted; when writing to the write buffer, this backpointer defines a threshold that pblk's rate-limiter enforces. On small PU configurations, the following scenarios might take place: (i) the thr