Re: [PATCH 00/10] lightnvm: pblk fixes for 4.13
From: Jens Axboe
Date: Fri Jun 30 2017 - 13:09:36 EST
On 06/30/2017 09:56 AM, Javier GonzÃlez wrote:
> Hi Jens,
>
> Here you have a second round of fixes for pblk. They are in essence bug
> fixes including a double-free reported by Dan.
>
> There is also regression fix for pblk removal, which was introduced with
> the new metadata scheduler. This fix makes that removing a pblk instance
> takes again at most 2 seconds.
>
> Finally, I also included a patch for double checking the L2P to verify a
> cache hit before reading from the write cache. We have experienced a
> database not issuing fsync before reading recently written metadata
> triggering a bad cache read. We verified it this week. This patch is an
> easy fix that we can make in pblk.
Applied for 4.13, thanks.
--
Jens Axboe