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Don't change a read-only file system.

This commit is contained in:
pooka 2013-05-15 16:44:03 +00:00
parent 646d62fa28
commit b2d1226abe
1 changed files with 10 additions and 2 deletions
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12
sys/fs/sysvbfs/sysvbfs_vnops.c
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@ -1,4 +1,4 @@
/* $NetBSD: sysvbfs_vnops.c,v 1.47 2013/03/18 19:35:40 plunky Exp $ */ /* $NetBSD: sysvbfs_vnops.c,v 1.48 2013/05/15 16:44:03 pooka Exp $ */
/*- /*-
* Copyright (c) 2004 The NetBSD Foundation, Inc. * Copyright (c) 2004 The NetBSD Foundation, Inc.
@ -30,7 +30,7 @@
*/ */
#include <sys/cdefs.h> #include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: sysvbfs_vnops.c,v 1.47 2013/03/18 19:35:40 plunky Exp $"); __KERNEL_RCSID(0, "$NetBSD: sysvbfs_vnops.c,v 1.48 2013/05/15 16:44:03 pooka Exp $");
#include <sys/param.h> #include <sys/param.h>
#include <sys/kernel.h> #include <sys/kernel.h>
@ -218,6 +218,10 @@ sysvbfs_close(void *arg)
struct bfs_fileattr attr; struct bfs_fileattr attr;
DPRINTF("%s:\n", __func__); DPRINTF("%s:\n", __func__);
if (v->v_mount->mnt_flag & MNT_RDONLY)
goto out;
uvm_vnp_setsize(v, bnode->size); uvm_vnp_setsize(v, bnode->size);
memset(&attr, 0xff, sizeof attr); /* Set VNOVAL all */ memset(&attr, 0xff, sizeof attr); /* Set VNOVAL all */
@ -231,6 +235,7 @@ sysvbfs_close(void *arg)
VOP_FSYNC(a->a_vp, a->a_cred, FSYNC_WAIT, 0, 0); VOP_FSYNC(a->a_vp, a->a_cred, FSYNC_WAIT, 0, 0);
out:
return 0; return 0;
} }
@ -877,6 +882,9 @@ sysvbfs_update(struct vnode *vp, const struct timespec *acc,
struct sysvbfs_node *bnode = vp->v_data; struct sysvbfs_node *bnode = vp->v_data;
struct bfs_fileattr attr; struct bfs_fileattr attr;
if (vp->v_mount->mnt_flag & MNT_RDONLY)
return 0;
DPRINTF("%s:\n", __func__); DPRINTF("%s:\n", __func__);
memset(&attr, 0xff, sizeof attr); /* Set VNOVAL all */ memset(&attr, 0xff, sizeof attr); /* Set VNOVAL all */
if (bnode->update_atime) { if (bnode->update_atime) {