From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Subject: Re: raid5-cache I/O path improvements Date: Tue, 8 Sep 2015 11:26:19 -0400 Message-ID: <20150908152619.GC13749@mtj.duckdns.org> References: <1441603250-5119-1-git-send-email-hch@lst.de> <20150908002840.GA3196542@devbig257.prn2.facebook.com> <20150908061215.GA23833@lst.de> <20150908152546.GB13749@mtj.duckdns.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <20150908152546.GB13749@mtj.duckdns.org> Sender: linux-raid-owner@vger.kernel.org To: Christoph Hellwig Cc: Shaohua Li , neilb@suse.de, linux-raid@vger.kernel.org, Kernel-team@fb.com, dan.j.williams@intel.com, "Martin K. Petersen" , linux-ide@vger.kernel.org List-Id: linux-raid.ids 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