On Mon, Jun 26 2017, Javier González wrote: > Hi Matias, > > Here you have the pblk patchset for this window. > > Apart from small fixes for LightNVM core and pblk, there are three > relevant changes: > > - Metadata for each line is no longer issued on a separate workqueue, > but instead, all I/Os are scheduled on the write thread. This allows > to have more control over LUN collisions. The result is that we can > use the full bandwidth of the device for user data. In the 4.12 pblk, > we use ~25% of the bandwidth for metadata. > > - The rate-limiter and GC have been tuned to keep the GC writer busy. > Also, capacity per line is guaranteed for GC I/O as we reach > capacity. > > - We have now a FTL state machine. This allows to fail gracefully to > user space in case of irrecoverable errors. This state machine will > be the base for the pblk's FTL log. > > The patches apply into your for-4.13/core. You can also find them in: Nope, they do not. Patch #7 fails, because it's not on top of the bio_set changes that went in a week or two ago. I hand applied that one, didn't find issues with the rest. But please remember to ensure that it applies on top of the current branch. -- Jens Axboe
