Date: Tue, 5 Jan 2010 10:52:21 +0000 (UTC) From: Alexander Motin <mav@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r201567 - head/sys/geom/raid3 Message-ID: <201001051052.o05AqLwE073567@svn.freebsd.org>
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Author: mav Date: Tue Jan 5 10:52:21 2010 New Revision: 201567 URL: http://svn.freebsd.org/changeset/base/201567 Log: Move wakeup() out of mutex to reduce contention. Modified: head/sys/geom/raid3/g_raid3.c Modified: head/sys/geom/raid3/g_raid3.c ============================================================================== --- head/sys/geom/raid3/g_raid3.c Tue Jan 5 10:30:56 2010 (r201566) +++ head/sys/geom/raid3/g_raid3.c Tue Jan 5 10:52:21 2010 (r201567) @@ -1271,9 +1271,9 @@ g_raid3_done(struct bio *bp) G_RAID3_LOGREQ(3, bp, "Regular request done (error=%d).", bp->bio_error); mtx_lock(&sc->sc_queue_mtx); bioq_insert_head(&sc->sc_queue, bp); + mtx_unlock(&sc->sc_queue_mtx); wakeup(sc); wakeup(&sc->sc_queue); - mtx_unlock(&sc->sc_queue_mtx); } static void @@ -1379,9 +1379,9 @@ g_raid3_sync_done(struct bio *bp) bp->bio_cflags |= G_RAID3_BIO_CFLAG_SYNC; mtx_lock(&sc->sc_queue_mtx); bioq_insert_head(&sc->sc_queue, bp); + mtx_unlock(&sc->sc_queue_mtx); wakeup(sc); wakeup(&sc->sc_queue); - mtx_unlock(&sc->sc_queue_mtx); } static void @@ -1459,9 +1459,9 @@ g_raid3_start(struct bio *bp) } mtx_lock(&sc->sc_queue_mtx); bioq_insert_tail(&sc->sc_queue, bp); + mtx_unlock(&sc->sc_queue_mtx); G_RAID3_DEBUG(4, "%s: Waking up %p.", __func__, sc); wakeup(sc); - mtx_unlock(&sc->sc_queue_mtx); } /*
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