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don't allow mmap if operating uncached

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This commit is contained in:
pooka 2006-11-28 13:20:03 +00:00
parent c6970b82a3
commit 898c6532b4
1 changed files with 18 additions and 3 deletions
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21
sys/fs/puffs/puffs_vnops.c
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@ -1,4 +1,4 @@
/* $NetBSD: puffs_vnops.c,v 1.15 2006/11/18 22:45:39 pooka Exp $ */
/* $NetBSD: puffs_vnops.c,v 1.16 2006/11/28 13:20:03 pooka Exp $ */
/*
* Copyright (c) 2005, 2006 Antti Kantee. All Rights Reserved.
@ -33,7 +33,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: puffs_vnops.c,v 1.15 2006/11/18 22:45:39 pooka Exp $");
__KERNEL_RCSID(0, "$NetBSD: puffs_vnops.c,v 1.16 2006/11/28 13:20:03 pooka Exp $");
#include <sys/param.h>
#include <sys/vnode.h>
@ -79,6 +79,7 @@ int puffs_pathconf(void *);
int puffs_advlock(void *);
int puffs_strategy(void *);
int puffs_bmap(void *);
int puffs_mmap(void *);
/* VOP_LEASE() not included */
@ -148,7 +149,7 @@ const struct vnodeopv_entry_desc puffs_vnodeop_entries[] = {
{ &vop_bwrite_desc, genfs_nullop }, /* bwrite */
{ &vop_getpages_desc, genfs_getpages }, /* getpages */
{ &vop_putpages_desc, genfs_putpages }, /* putpages */
{ &vop_mmap_desc, genfs_mmap }, /* mmap */
{ &vop_mmap_desc, puffs_mmap }, /* mmap */
{ &vop_poll_desc, genfs_eopnotsupp }, /* poll XXX */
{ &vop_poll_desc, genfs_eopnotsupp }, /* kqfilter XXX */
@ -1710,6 +1711,20 @@ puffs_islocked(void *v)
return rv;
}
int
puffs_mmap(void *v)
{
struct vop_mmap_args *ap = v;
struct puffs_mount *pmp;
pmp = MPTOPUFFSMP(ap->a_vp->v_mount);
if (pmp->pmp_flags & PUFFSFLAG_NOCACHE)
return genfs_eopnotsupp(v);
return genfs_mmap(v);
}
int
puffs_generic(void *v)
{