> On 27 Jun 2017, at 00.29, Jens Axboe <axboe@xxxxxxxxx> wrote: > > 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. Thanks Jens. Won't happen again. Javier
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