From 90b1cd561509819a37c255a3495a2230fc1198b2 Mon Sep 17 00:00:00 2001 From: Poul-Henning Kamp Date: Mon, 30 Sep 2002 08:50:47 +0000 Subject: Introduce g_write_data() function. Sponsored by: DARPA & NAI Labs --- sys/geom/geom.h | 1 + sys/geom/geom_io.c | 18 ++++++++++++++++++ 2 files changed, 19 insertions(+) diff --git a/sys/geom/geom.h b/sys/geom/geom.h index 493221b9784e..36acaf55dd45 100644 --- a/sys/geom/geom.h +++ b/sys/geom/geom.h @@ -222,6 +222,7 @@ void g_io_request(struct bio *bp, struct g_consumer *cp); int g_io_setattr(const char *attr, struct g_consumer *cp, int len, void *ptr); struct bio *g_new_bio(void); void * g_read_data(struct g_consumer *cp, off_t offset, off_t length, int *error); +int g_write_data(struct g_consumer *cp, off_t offset, void *ptr, off_t length); /* geom_kern.c / geom_kernsim.c */ diff --git a/sys/geom/geom_io.c b/sys/geom/geom_io.c index 7d7eed1fc638..f86c5e262882 100644 --- a/sys/geom/geom_io.c +++ b/sys/geom/geom_io.c @@ -387,3 +387,21 @@ g_read_data(struct g_consumer *cp, off_t offset, off_t length, int *error) } while (errorc == EBUSY); return (ptr); } + +int +g_write_data(struct g_consumer *cp, off_t offset, void *ptr, off_t length) +{ + struct bio *bp; + int error; + + bp = g_new_bio(); + bp->bio_cmd = BIO_WRITE; + bp->bio_done = NULL; + bp->bio_offset = offset; + bp->bio_length = length; + bp->bio_data = ptr; + g_io_request(bp, cp); + error = biowait(bp, "gwrite"); + g_destroy_bio(bp); + return (error); +} -- cgit v1.3