Aren/NetBSD
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

* enable PUFFS_INVAL_PAGECACHE_NODE_RANGE

Browse Source 
* add input parameter validation
This commit is contained in:
pooka 2007-04-06 16:37:02 +00:00
parent f517728680
commit bd8d0a2ae0
1 changed files with 27 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

33
sys/fs/puffs/puffs_transport.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: puffs_transport.c,v 1.11 2007/03/30 18:25:02 pooka Exp $ */
/* $NetBSD: puffs_transport.c,v 1.12 2007/04/06 16:37:02 pooka Exp $ */
/*
* Copyright (c) 2006 Antti Kantee. All Rights Reserved.
@ -32,7 +32,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: puffs_transport.c,v 1.11 2007/03/30 18:25:02 pooka Exp $");
__KERNEL_RCSID(0, "$NetBSD: puffs_transport.c,v 1.12 2007/04/06 16:37:02 pooka Exp $");
#include <sys/param.h>
#include <sys/conf.h>
@ -45,6 +45,8 @@ __KERNEL_RCSID(0, "$NetBSD: puffs_transport.c,v 1.11 2007/03/30 18:25:02 pooka E
#include <sys/poll.h>
#include <sys/socketvar.h>
#include <uvm/uvm_param.h>
#include <fs/puffs/puffs_sys.h>
#include <miscfs/syncfs/syncfs.h> /* XXX: for syncer_mutex reference */
@ -340,6 +342,7 @@ static int
puffs_flush(struct puffs_mount *pmp, struct puffs_flush *pf)
{
struct vnode *vp;
voff_t offlo, offhi;
int rv;
/* XXX: slurry */
@ -377,18 +380,36 @@ puffs_flush(struct puffs_mount *pmp, struct puffs_flush *pf)
#endif
case PUFFS_INVAL_NAMECACHE_DIR:
if (vp->v_type != VDIR) {
rv = EINVAL;
break;
}
cache_purge1(vp, NULL, PURGE_CHILDREN);
break;
#if 0
case PUFFS_INVAL_PAGECACHE_NODE_RANGE:
if (pf->pf_end > vp->v_size || vp->v_type != VREG) {
rv = EINVAL;
break;
}
offlo = trunc_page(pf->pf_start);
offhi = round_page(pf->pf_end);
if (offhi != 0 && offlo >= offhi) {
rv = EINVAL;
break;
}
simple_lock(&vp->v_uobj.vmobjlock);
/* XXX: validate args? */
rv = VOP_PUTPAGES(vp, pf->pf_start, pf->pf_end, PGO_FREE);
rv = VOP_PUTPAGES(vp, offlo, offhi, PGO_FREE);
break;
#endif
case PUFFS_INVAL_PAGECACHE_NODE:
if (vp->v_type != VREG) {
rv = EINVAL;
break;
}
simple_lock(&vp->v_uobj.vmobjlock);
rv = VOP_PUTPAGES(vp, 0, 0, PGO_FREE | PGO_ALLPAGES);
break;