From mboxrd@z Thu Jan 1 00:00:00 1970 From: Phillip Susi Subject: Re: [PATCH v5 2/3] libata: async resume Date: Fri, 19 Dec 2014 20:42:40 -0500 Message-ID: <5494D410.6060209@ubuntu.com> References: <20140305201443.20088.85361.stgit@viggo.jf.intel.com> <20140305201735.20088.22124.stgit@viggo.jf.intel.com> <5494B8D1.1070608@ubuntu.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Return-path: Received: from cdptpa-outbound-snat.email.rr.com ([107.14.166.225]:38142 "EHLO cdptpa-oedge-vip.email.rr.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751830AbaLTBmp (ORCPT ); Fri, 19 Dec 2014 20:42:45 -0500 In-Reply-To: <5494B8D1.1070608@ubuntu.com> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Todd Brandt Cc: Dan Williams , tj@kernel.org, JBottomley@Parallels.com, Len Brown , linux-scsi@vger.kernel.org, linux-ide@vger.kernel.org, Alan Stern -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 On 12/19/2014 06:46 PM, Phillip Susi wrote: > I realize this is a little late but I finally started looking at > the patch set I was working on last year again, and now that I look > at your version that was accepted, I realize that it only addresses > the libata side of things. sd still issues START_STOP_UNIT > synchronously in the resume path, so without the patch fixing that, > you shouldn't see any actual speed up in resume times. Or are you > using the manage_start_stop flag to inhibit that ( at the cost of > taking an emergency park on each suspend/shutdown )? Sorry for the noise, I missed the patch to the scsi core that makes the entire call to sd_resume async. Very nice. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQEcBAEBCgAGBQJUlNQQAAoJENRVrw2cjl5RUP8H/3hz6qRtSbRJPYya2RCsjgWE dM5tm9RXJurPYCa615NmMX+bym2ooSVlYFZPAkuEtIh+uOeO7S9z5WX6de7ErtyN yNZNSPQXMZDLOzwy0gnZr2BU0Htk4LpX+2mdmos9oVQJJXqc2n1Nje3NXF/F6qm8 I8fjKTyOLQgI8GbJNFkK028rjvxc1DYTGx2hgC2KYpuktdyrJv6c68TZBUF1jFQm UVsp1xpN5BoGGbhb13LBVm1To8V5YyEvR6Ou1Y633VM4089HLUWMwVBwVIjryyiY gR6dHdqs/a/1nuXFGZXAMZXhLFuNJ2a/h98QcX5ZxuaKP8XFEN6V/JyXxiekxK8= =Vtbl -----END PGP SIGNATURE-----