diff options
| author | Maxim Sobolev <sobomax@FreeBSD.org> | 2007-11-07 22:47:41 +0000 |
|---|---|---|
| committer | Maxim Sobolev <sobomax@FreeBSD.org> | 2007-11-07 22:47:41 +0000 |
| commit | a03be42da68432a094b14d1c6d7894d1affe06f6 (patch) | |
| tree | 5074d22344a0a15c76ffca6303ca796fa353944d /sys/dev | |
| parent | 8ce2d00a044cef91b79cbc72ec106f79186bf34a (diff) | |
Notes
Diffstat (limited to 'sys/dev')
| -rw-r--r-- | sys/dev/md/md.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/sys/dev/md/md.c b/sys/dev/md/md.c index 2d63fed9394af..b5cc37cd247d3 100644 --- a/sys/dev/md/md.c +++ b/sys/dev/md/md.c @@ -60,6 +60,7 @@ #include <sys/systm.h> #include <sys/bio.h> #include <sys/conf.h> +#include <sys/devicestat.h> #include <sys/fcntl.h> #include <sys/kernel.h> #include <sys/kthread.h> @@ -181,6 +182,7 @@ struct md_s { struct g_geom *gp; struct g_provider *pp; int (*start)(struct md_s *sc, struct bio *bp); + struct devstat *devstat; /* MD_MALLOC related fields */ struct indir *indir; @@ -392,6 +394,8 @@ g_md_start(struct bio *bp) struct md_s *sc; sc = bp->bio_to->geom->softc; + if ((bp->bio_cmd == BIO_READ) || (bp->bio_cmd == BIO_WRITE)) + devstat_start_transaction_bio(sc->devstat, bp); mtx_lock(&sc->queue_mtx); bioq_disksort(&sc->bio_queue, bp); mtx_unlock(&sc->queue_mtx); @@ -725,6 +729,8 @@ md_kthread(void *arg) if (error != -1) { bp->bio_completed = bp->bio_length; g_io_deliver(bp, error); + if ((bp->bio_cmd == BIO_READ) || (bp->bio_cmd == BIO_WRITE)) + devstat_end_transaction_bio(sc->devstat, bp); } } } @@ -792,6 +798,8 @@ mdinit(struct md_s *sc) sc->pp = pp; g_error_provider(pp, 0); g_topology_unlock(); + sc->devstat = devstat_new_entry("md", sc->unit, sc->sectorsize, + DEVSTAT_ALL_SUPPORTED, DEVSTAT_TYPE_DIRECT, DEVSTAT_PRIORITY_MAX); } /* @@ -963,6 +971,10 @@ mddestroy(struct md_s *sc, struct thread *td) sc->gp = NULL; sc->pp = NULL; } + if (sc->devstat) { + devstat_remove_entry(sc->devstat); + sc->devstat = NULL; + } mtx_lock(&sc->queue_mtx); sc->flags |= MD_SHUTDOWN; wakeup(sc); |