- Set maximum request size to MAXPHYS (128kB), instead of DFLPHYS (64kB).
- Set minimum request size to sectorsize, instead of 512 bytes.
Index: geom_io.c
===================================================================
RCS file: /private/FreeBSD/src/sys/geom/geom_io.c,v
retrieving revision 1.57.2.1
diff -u -p -r1.57.2.1 geom_io.c
--- geom_io.c	31 Aug 2004 06:14:03 -0000	1.57.2.1
+++ geom_io.c	14 Oct 2004 19:31:01 -0000
@@ -445,8 +445,9 @@ g_read_data(struct g_consumer *cp, off_t
 	void *ptr;
 	int errorc;
 
-	KASSERT(length >= 512 && length <= DFLTPHYS,
-		("g_read_data(): invalid length %jd", (intmax_t)length));
+	KASSERT(length > 0 && length >= cp->provider->sectorsize &&
+	    length <= MAXPHYS, ("g_read_data(): invalid length %jd",
+	    (intmax_t)length));
 
 	bp = g_alloc_bio();
 	bp->bio_cmd = BIO_READ;
@@ -473,8 +474,9 @@ g_write_data(struct g_consumer *cp, off_
 	struct bio *bp;
 	int error;
 
-	KASSERT(length >= 512 && length <= DFLTPHYS,
-		("g_write_data(): invalid length %jd", (intmax_t)length));
+	KASSERT(length > 0 && length >= cp->provider->sectorsize &&
+	    length <= MAXPHYS, ("g_write_data(): invalid length %jd",
+	    (intmax_t)length));
 
 	bp = g_alloc_bio();
 	bp->bio_cmd = BIO_WRITE;