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Diffstat (limited to 'sys/dev/ata/wd.c')
-rw-r--r--sys/dev/ata/wd.c24
1 files changed, 10 insertions, 14 deletions
diff --git a/sys/dev/ata/wd.c b/sys/dev/ata/wd.c
index 79b39710eb8..0cc70814c7a 100644
--- a/sys/dev/ata/wd.c
+++ b/sys/dev/ata/wd.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: wd.c,v 1.39 2004/02/15 02:45:47 tedu Exp $ */
+/* $OpenBSD: wd.c,v 1.40 2004/03/03 17:16:03 tedu Exp $ */
/* $NetBSD: wd.c,v 1.193 1999/02/28 17:15:27 explorer Exp $ */
/*
@@ -134,7 +134,7 @@ struct wd_softc {
/* General disk infos */
struct device sc_dev;
struct disk sc_dk;
- struct bufq *sc_q;
+ struct buf sc_q;
/* IDE disk soft states */
struct ata_bio sc_wdc_bio; /* current transfer */
struct buf *sc_bp; /* buf being transferred */
@@ -264,12 +264,6 @@ wdattach(struct device *parent, struct device *self, void *aux)
char buf[41], c, *p, *q;
WDCDEBUG_PRINT(("wdattach\n"), DEBUG_FUNCS | DEBUG_PROBE);
- wd->sc_q = BUFQ_ALLOC(0);
-#ifdef DIAGNOSTIC
- if (wd->sc_q == NULL)
- return;
-#endif
-
wd->openings = aa_link->aa_openings;
wd->drvp = aa_link->aa_drv_data;
@@ -403,12 +397,13 @@ int
wddetach(struct device *self, int flags)
{
struct wd_softc *sc = (struct wd_softc *)self;
- struct buf *bp;
+ struct buf *dp, *bp;
int s, bmaj, cmaj, mn;
/* Remove unprocessed buffers from queue */
s = splbio();
- while ((bp = BUFQ_GET(sc->sc_q)) != NULL) {
+ for (dp = &sc->sc_q; (bp = dp->b_actf) != NULL; ) {
+ dp->b_actf = bp->b_actf;
bp->b_error = ENXIO;
bp->b_flags |= B_ERROR;
biodone(bp);
@@ -433,7 +428,6 @@ wddetach(struct device *self, int flags)
/* Unhook the entropy source. */
rnd_detach_source(&sc->rnd_source);
#endif
- BUFQ_FREE(sc->sc_q);
return (0);
}
@@ -494,7 +488,7 @@ wdstrategy(struct buf *bp)
goto done;
/* Queue transfer on drive, activate drive and controller if idle. */
s = splbio();
- BUFQ_ADD(wd->sc_q, bp);
+ disksort(&wd->sc_q, bp);
wdstart(wd);
splx(s);
device_unref(&wd->sc_dev);
@@ -518,15 +512,17 @@ void
wdstart(void *arg)
{
struct wd_softc *wd = arg;
- struct buf *bp = NULL;
+ struct buf *dp, *bp = NULL;
WDCDEBUG_PRINT(("wdstart %s\n", wd->sc_dev.dv_xname),
DEBUG_XFERS);
while (wd->openings > 0) {
/* Is there a buf for us ? */
- if ((bp = BUFQ_GET(wd->sc_q)) == NULL)
+ dp = &wd->sc_q;
+ if ((bp = dp->b_actf) == NULL) /* yes, an assign */
return;
+ dp->b_actf = bp->b_actf;
/*
* Make the command. First lock the device