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Fix mmap() on msdosfs. In the words of the submitter:

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|In the process of evaluating the getpages/putpages issues I discovered
|that mmap on MSDOSFS does not work. This is because I blindly merged
|NetBSD changes in msdosfs_bmap and msdosfs_strategy. Apparently, their
|blocksize is always DEV_BSIZE (even in files), while in FreeBSD
|blocksize in files is v_mount->mnt_stat.f_iosize (i.e. clustersize in
|MSDOSFS case). The patch is below.

Submitted by:	Dmitrij Tejblum <dima@tejblum.dnttm.rssi.ru>
This commit is contained in:
Mike Smith 1998-03-01 21:26:09 +00:00
parent 2c122f3b6a
commit ea0665cd2b
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=33959
2 changed files with 6 additions and 8 deletions
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7
sys/fs/msdosfs/msdosfs_vnops.c
View File

@ -1,4 +1,4 @@
/* $Id: msdosfs_vnops.c,v 1.61 1998/02/24 14:13:16 ache Exp $ */
/* $Id: msdosfs_vnops.c,v 1.62 1998/02/26 06:45:46 msmith Exp $ */
/* $NetBSD: msdosfs_vnops.c,v 1.68 1998/02/10 14:10:04 mrg Exp $ */
/*-
@ -1834,7 +1834,7 @@ msdosfs_bmap(ap)
if (ap->a_runb) {
*ap->a_runb = 0;
}
return (pcbmap(dep, de_bn2cn(pmp, ap->a_bn), ap->a_bnp, 0, 0));
return (pcbmap(dep, ap->a_bn, ap->a_bnp, 0, 0));
}
static int
@ -1857,8 +1857,7 @@ msdosfs_strategy(ap)
* don't allow files with holes, so we shouldn't ever see this.
*/
if (bp->b_blkno == bp->b_lblkno) {
error = pcbmap(dep, de_bn2cn(dep->de_pmp, bp->b_lblkno),
&bp->b_blkno, 0, 0);
error = pcbmap(dep, bp->b_lblkno, &bp->b_blkno, 0, 0);
if (error) {
bp->b_error = error;
bp->b_flags |= B_ERROR;

7
sys/msdosfs/msdosfs_vnops.c
View File

@ -1,4 +1,4 @@
/* $Id: msdosfs_vnops.c,v 1.61 1998/02/24 14:13:16 ache Exp $ */
/* $Id: msdosfs_vnops.c,v 1.62 1998/02/26 06:45:46 msmith Exp $ */
/* $NetBSD: msdosfs_vnops.c,v 1.68 1998/02/10 14:10:04 mrg Exp $ */
/*-
@ -1834,7 +1834,7 @@ msdosfs_bmap(ap)
if (ap->a_runb) {
*ap->a_runb = 0;
}
return (pcbmap(dep, de_bn2cn(pmp, ap->a_bn), ap->a_bnp, 0, 0));
return (pcbmap(dep, ap->a_bn, ap->a_bnp, 0, 0));
}
static int
@ -1857,8 +1857,7 @@ msdosfs_strategy(ap)
* don't allow files with holes, so we shouldn't ever see this.
*/
if (bp->b_blkno == bp->b_lblkno) {
error = pcbmap(dep, de_bn2cn(dep->de_pmp, bp->b_lblkno),
&bp->b_blkno, 0, 0);
error = pcbmap(dep, bp->b_lblkno, &bp->b_blkno, 0, 0);
if (error) {
bp->b_error = error;
bp->b_flags |= B_ERROR;