diff options
| author | dg <dg@FreeBSD.org> | 1994-08-07 13:10:43 +0000 |
|---|---|---|
| committer | dg <dg@FreeBSD.org> | 1994-08-07 13:10:43 +0000 |
| commit | 81dc370a9d5a2ec97a413123079d94be91110fbe (patch) | |
| tree | c701e7ef61340402192c9838085c1028a0a3b07c /sys/kern/kern_physio.c | |
| parent | 024b33e58ce38e9533965d82b09863cc5f9aefd7 (diff) | |
| download | FreeBSD-src-81dc370a9d5a2ec97a413123079d94be91110fbe.zip FreeBSD-src-81dc370a9d5a2ec97a413123079d94be91110fbe.tar.gz | |
Provide support for upcoming merged VM/buffer cache, and fixed a few bugs
that haven't appeared to manifest themselves (yet).
Submitted by: John Dyson
Diffstat (limited to 'sys/kern/kern_physio.c')
| -rw-r--r-- | sys/kern/kern_physio.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/sys/kern/kern_physio.c b/sys/kern/kern_physio.c index 487e38e..0fcb0bf 100644 --- a/sys/kern/kern_physio.c +++ b/sys/kern/kern_physio.c @@ -16,7 +16,7 @@ * 4. Modifications may be freely made to this file if the above conditions * are met. * - * $Id: kern_physio.c,v 1.3 1994/08/02 07:42:05 davidg Exp $ + * $Id: kern_physio.c,v 1.4 1994/08/06 09:15:28 davidg Exp $ */ #include <sys/param.h> @@ -27,6 +27,7 @@ #include <vm/vm.h> static void physwakeup(); +u_int minphys(struct buf *bp); int physio(strategy, bp, dev, rw, minp, uio) @@ -78,6 +79,9 @@ physio(strategy, bp, dev, rw, minp, uio) caddr_t adr; bp->b_bcount = uio->uio_iov[i].iov_len; + bp->b_bcount = minp( bp); + if( minp != minphys) + bp->b_bcount = minphys( bp); bp->b_bufsize = bp->b_bcount; bp->b_flags = B_BUSY | B_PHYS | B_CALL | bufflags; bp->b_iodone = physwakeup; |
