Re: raid5-cache I/O path improvements

raid5-cache I/O path improvements · Christoph Hellwig <hch@lst.de> · 2015-09-07
[PATCH 01/10] raid5-cache: port to 4.3-rc · Christoph Hellwig <hch@lst.de> · 2015-09-07
[PATCH 02/10] raid5-cache: free I/O units earlier · Christoph Hellwig <hch@lst.de> · 2015-09-07
[PATCH 03/10] raid5-cache: use FUA writes for the log · Christoph Hellwig <hch@lst.de> · 2015-09-07
[PATCH 04/10] raid5-cache: clean up r5l_get_meta · Christoph Hellwig <hch@lst.de> · 2015-09-07
[PATCH 05/10] raid5-cache: refactor bio allocation · Christoph Hellwig <hch@lst.de> · 2015-09-07
[PATCH 06/10] raid5-cache: take rdev->data_offset into account early on · Christoph Hellwig <hch@lst.de> · 2015-09-07
[PATCH 07/10] raid5-cache: inline r5l_alloc_io_unit into r5l_new_meta · Christoph Hellwig <hch@lst.de> · 2015-09-07
[PATCH 08/10] raid5-cache: new helper: r5_reserve_log_entry · Christoph Hellwig <hch@lst.de> · 2015-09-07
[PATCH 09/10] raid5-cache: small log->seq cleanup · Christoph Hellwig <hch@lst.de> · 2015-09-07
[PATCH 10/10] raid5-cache: use bio chaining · Christoph Hellwig <hch@lst.de> · 2015-09-07
Re: raid5-cache I/O path improvements · Shaohua Li <hidden> · 2015-09-08
Re: raid5-cache I/O path improvements · Christoph Hellwig <hch@lst.de> · 2015-09-08
Re: raid5-cache I/O path improvements · Tejun Heo <tj@kernel.org> · 2015-09-08
Re: raid5-cache I/O path improvements · Tejun Heo <tj@kernel.org> · 2015-09-08
Re: raid5-cache I/O path improvements · Christoph Hellwig <hch@lst.de> · 2015-09-08
Re: raid5-cache I/O path improvements · Shaohua Li <hidden> · 2015-09-08
Re: raid5-cache I/O path improvements · Tejun Heo <tj@kernel.org> · 2015-09-08
Re: raid5-cache I/O path improvements · Shaohua Li <hidden> · 2015-09-08
Re: raid5-cache I/O path improvements · Tejun Heo <tj@kernel.org> · 2015-09-08
Re: raid5-cache I/O path improvements · Christoph Hellwig <hch@lst.de> · 2015-09-09

From: Tejun Heo <tj@kernel.org>
Date: 2015-09-08 15:26:19
Also in: linux-ide

On Tue, Sep 08, 2015 at 11:25:46AM -0400, Tejun Heo wrote:
...

IIRC, some controllers and/or controllers were choking on it and it

                                ^
				drives

didn't make any noticeable difference on rotating disks.  Maybe we can
try again with controller white list and enabling by default on SSds.

-- 
tejun

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