Author: mav
Date: Sun Sep 19 20:08:45 2010
New Revision: 212881
URL: http://svn.freebsd.org/changeset/base/212881
Log:
MFC r201567:
Move wakeup() out of mutex to reduce contention.
Modified:
stable/7/sys/geom/raid3/g_raid3.c
Directory Properties:
stable/7/sys/ (props changed)
stable/7/sys/cddl/contrib/opensolaris/ (props changed)
stable/7/sys/contrib/dev/acpica/ (props changed)
stable/7/sys/contrib/pf/ (props changed)
Modified: stable/7/sys/geom/raid3/g_raid3.c
==============================================================================
--- stable/7/sys/geom/raid3/g_raid3.c Sun Sep 19 20:07:40 2010
(r212880)
+++ stable/7/sys/geom/raid3/g_raid3.c Sun Sep 19 20:08:45 2010
(r212881)
@@ -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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