Date: Tue, 17 Nov 2009 15:08:02 +0000 (UTC) From: Alexander Motin <mav@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-8@freebsd.org Subject: svn commit: r199388 - stable/8/sys/cam Message-ID: <200911171508.nAHF82lN015468@svn.freebsd.org>
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Author: mav Date: Tue Nov 17 15:08:01 2009 New Revision: 199388 URL: http://svn.freebsd.org/changeset/base/199388 Log: MFC r198333: Do not search for bus when it is not needed. Modified: stable/8/sys/cam/cam_xpt.c Directory Properties: stable/8/sys/ (props changed) stable/8/sys/amd64/include/xen/ (props changed) stable/8/sys/cddl/contrib/opensolaris/ (props changed) stable/8/sys/contrib/dev/acpica/ (props changed) stable/8/sys/contrib/pf/ (props changed) stable/8/sys/dev/xen/xenpci/ (props changed) Modified: stable/8/sys/cam/cam_xpt.c ============================================================================== --- stable/8/sys/cam/cam_xpt.c Tue Nov 17 15:04:58 2009 (r199387) +++ stable/8/sys/cam/cam_xpt.c Tue Nov 17 15:08:01 2009 (r199388) @@ -4148,8 +4148,6 @@ xpt_release_simq(struct cam_sim *sim, in sendq->qfrozen_cnt--; if (sendq->qfrozen_cnt == 0) { - struct cam_eb *bus; - /* * If there is a timeout scheduled to release this * sim queue, remove it. The queue frozen count is @@ -4159,15 +4157,17 @@ xpt_release_simq(struct cam_sim *sim, in callout_stop(&sim->callout); sim->flags &= ~CAM_SIM_REL_TIMEOUT_PENDING; } - bus = xpt_find_bus(sim->path_id); if (run_queue) { + struct cam_eb *bus; + /* * Now that we are unfrozen run the send queue. */ + bus = xpt_find_bus(sim->path_id); xpt_run_dev_sendq(bus); + xpt_release_bus(bus); } - xpt_release_bus(bus); } } }
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