Date: Mon, 12 Apr 2010 13:12:45 -0700 From: Navdeep Parhar <nparhar@gmail.com> To: Luigi Rizzo <luigi@freebsd.org> Cc: svn-src-head@freebsd.org, svn-src-all@freebsd.org, src-committers@freebsd.org Subject: Re: svn commit: r206497 - in head: sbin/geom/class sbin/geom/class/sched sys/geom/sched sys/modules/geom sys/modules/geom/geom_sched sys/modules/geom/geom_sched/gs_sched sys/modules/geom/geom_sched/gsc... Message-ID: <n2rd04e16b71004121312t266c356emf837bac268bf4a7b@mail.gmail.com> In-Reply-To: <201004121637.o3CGbjSK080066@svn.freebsd.org> References: <201004121637.o3CGbjSK080066@svn.freebsd.org>
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On Mon, Apr 12, 2010 at 9:37 AM, Luigi Rizzo <luigi@freebsd.org> wrote: > Author: luigi > Date: Mon Apr 12 16:37:45 2010 > New Revision: 206497 > URL: http://svn.freebsd.org/changeset/base/206497 > > Log: > =A0Bring in geom_sched, support for scheduling disk I/O requests > =A0in a device independent manner. Also include an example anticipatory > =A0scheduler, gsched_rr, which gives very nice performance improvements > =A0in presence of competing random access patterns. > > =A0This is joint work with Fabio Checconi, developed last year > =A0and presented at BSDCan 2009. You can find details in the > =A0README file or at > > =A0http://info.iet.unipi.it/~luigi/geom_sched/ Doesn't build with "options KTR". cc1: warnings being treated as errors /usr/src/sys/modules/geom/geom_sched/gs_sched/../../../../geom/sched/g_sche= d.c: In function 'g_sched_issuer_pid': /usr/src/sys/modules/geom/geom_sched/gs_sched/../../../../geom/sched/g_sche= d.c:759: warning: implicit declaration of function 'g_sched_issuer' /usr/src/sys/modules/geom/geom_sched/gs_sched/../../../../geom/sched/g_sche= d.c:759: warning: nested extern declaration of 'g_sched_issuer' /usr/src/sys/modules/geom/geom_sched/gs_sched/../../../../geom/sched/g_sche= d.c:759: warning: initialization makes pointer from integer without a cast Regards, Navdeep
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