Date: Fri, 29 Jun 2012 17:00:52 +0000 (UTC) From: "Kenneth D. Merry" <ken@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r237800 - head/sys/dev/mps Message-ID: <201206291700.q5TH0q0U057890@svn.freebsd.org>
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Author: ken Date: Fri Jun 29 17:00:52 2012 New Revision: 237800 URL: http://svn.freebsd.org/changeset/base/237800 Log: Change the mps(4) driver to only scan a target if that is what is needed instead of scanning the full bus every time. Submitted by: mav Discussed with: Sreekanth Reddy <Sreekanth.Reddy@lsi.com> MFC after: 3 days Modified: head/sys/dev/mps/mps_sas.c Modified: head/sys/dev/mps/mps_sas.c ============================================================================== --- head/sys/dev/mps/mps_sas.c Fri Jun 29 16:50:52 2012 (r237799) +++ head/sys/dev/mps/mps_sas.c Fri Jun 29 17:00:52 2012 (r237800) @@ -278,8 +278,11 @@ mpssas_rescan_target(struct mps_softc *s return; } - /* XXX Hardwired to scan the bus for now */ - ccb->ccb_h.func_code = XPT_SCAN_BUS; + if (targetid == CAM_TARGET_WILDCARD) + ccb->ccb_h.func_code = XPT_SCAN_BUS; + else + ccb->ccb_h.func_code = XPT_SCAN_TGT; + mps_dprint(sc, MPS_TRACE, "%s targetid %u\n", __func__, targetid); mpssas_rescan(sassc, ccb); }
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