From: Jens Axboe <axboe@fb.com>
To: "Javier González" <jg@lightnvm.io>, mb@lightnvm.io
Cc: linux-block@vger.kernel.org, linux-kernel@vger.kernel.org,
"Javier González" <javier@cnexlabs.com>
Subject: Re: [PATCH 00/10] lightnvm: pblk fixes for 4.13
Date: Fri, 30 Jun 2017 11:08:51 -0600 [thread overview]
Message-ID: <e0662596-804a-bf4e-e5c9-9296e14e7087@fb.com> (raw)
In-Reply-To: <1498838203-21539-1-git-send-email-javier@cnexlabs.com>
On 06/30/2017 09:56 AM, Javier González 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
prev parent reply other threads:[~2017-06-30 17:09 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-06-30 15:56 Javier González
2017-06-30 15:56 ` [PATCH 01/10] lightnvm: pblk: fix bad le64 assignations Javier González
2017-06-30 15:56 ` [PATCH 02/10] lightnvm: pblk: fix double-free on pblk init Javier González
2017-06-30 15:56 ` [PATCH 03/10] lightnvm: pblk: remove unused return variable Javier González
2017-06-30 15:56 ` [PATCH 04/10] lightnvm: pblk: schedule if data is not ready Javier González
2017-06-30 15:56 ` [PATCH 05/10] lightnvm: pblk: use right metadata buffer for recovery Javier González
2017-06-30 15:56 ` [PATCH 06/10] lightnvm: pblk: use vmalloc for GC data buffer Javier González
2017-06-30 15:56 ` [PATCH 07/10] lightnvm: pblk: remove target using async. I/Os Javier González
2017-06-30 15:56 ` [PATCH 08/10] lightnvm: pblk: add initialization check Javier González
2017-06-30 15:56 ` [PATCH 09/10] lightnvm: pblk: verify that cache read is still valid Javier González
2017-06-30 15:56 ` [PATCH 10/10] lightnvm: pblk: set line bitmap check under debug Javier González
2017-06-30 17:08 ` Jens Axboe [this message]
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