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Remove the dependancy on DEV_BSIZE, now specfs works on != 512byte

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sector devices given that the fs uses a blocksize of at least a physical
sector size.
This commit is contained in:
Søren Schmidt 1997-05-01 19:12:22 +00:00
parent 371bcb2ecd
commit e34cbf1f59
2 changed files with 20 additions and 6 deletions
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13
sys/fs/specfs/spec_vnops.c
View File

@ -31,7 +31,7 @@
* SUCH DAMAGE.
*
* @(#)spec_vnops.c 8.14 (Berkeley) 5/21/95
* $Id: spec_vnops.c,v 1.37 1997/02/22 09:40:34 peter Exp $
* $Id: spec_vnops.c,v 1.38 1997/03/24 11:24:44 bde Exp $
*/
#include <sys/param.h>
@ -759,6 +759,8 @@ spec_getpages(ap)
daddr_t blkno;
struct buf *bp;
vm_ooffset_t offset;
struct vnode *vp = ap->a_vp;
int blksiz;
error = 0;
pcount = round_page(ap->a_count) / PAGE_SIZE;
@ -783,9 +785,14 @@ spec_getpages(ap)
blkno = btodb(offset);
/*
* Round up physical size for real devices.
* Round up physical size for real devices, use the
* fundamental blocksize of the fs if possible.
*/
size = (ap->a_count + DEV_BSIZE - 1) & ~(DEV_BSIZE - 1);
if (vp && vp->v_mount)
blksiz = vp->v_mount->mnt_stat.f_bsize;
else
blksiz = DEV_BSIZE;
size = (ap->a_count + blksiz - 1) & ~(blksiz - 1);
bp = getpbuf();
kva = (vm_offset_t)bp->b_data;

13
sys/miscfs/specfs/spec_vnops.c
View File

@ -31,7 +31,7 @@
* SUCH DAMAGE.
*
* @(#)spec_vnops.c 8.14 (Berkeley) 5/21/95
* $Id: spec_vnops.c,v 1.37 1997/02/22 09:40:34 peter Exp $
* $Id: spec_vnops.c,v 1.38 1997/03/24 11:24:44 bde Exp $
*/
#include <sys/param.h>
@ -759,6 +759,8 @@ spec_getpages(ap)
daddr_t blkno;
struct buf *bp;
vm_ooffset_t offset;
struct vnode *vp = ap->a_vp;
int blksiz;
error = 0;
pcount = round_page(ap->a_count) / PAGE_SIZE;
@ -783,9 +785,14 @@ spec_getpages(ap)
blkno = btodb(offset);
/*
* Round up physical size for real devices.
* Round up physical size for real devices, use the
* fundamental blocksize of the fs if possible.
*/
size = (ap->a_count + DEV_BSIZE - 1) & ~(DEV_BSIZE - 1);
if (vp && vp->v_mount)
blksiz = vp->v_mount->mnt_stat.f_bsize;
else
blksiz = DEV_BSIZE;
size = (ap->a_count + blksiz - 1) & ~(blksiz - 1);
bp = getpbuf();
kva = (vm_offset_t)bp->b_data;