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After r286237 it should be fine to call vgone(9) on a busy GEOM vnode;

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remove KASSERT that would prevent forced devfs unmount from working.

MFC after:	1 month
Sponsored by:	The FreeBSD Foundation
This commit is contained in:
Edward Tomasz Napierala 2015-08-23 14:53:54 +00:00
parent fbefacfc26
commit 6e572e084b
3 changed files with 2 additions and 6 deletions
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3
sys/fs/devfs/devfs_vnops.c
View File

@ -65,6 +65,7 @@
#include <sys/vnode.h>
static struct vop_vector devfs_vnodeops;
static struct vop_vector devfs_specops;
static struct fileops devfs_ops_f;
#include <fs/devfs/devfs.h>
@ -1862,7 +1863,7 @@ static struct vop_vector devfs_vnodeops = {
.vop_vptocnp = devfs_vptocnp,
};
struct vop_vector devfs_specops = {
static struct vop_vector devfs_specops = {
.vop_default = &default_vnodeops,
.vop_access = devfs_access,

4
sys/kern/vfs_subr.c
View File

@ -2709,10 +2709,6 @@ vflush(struct mount *mp, int rootrefs, int flags, struct thread *td)
* If FORCECLOSE is set, forcibly close the vnode.
*/
if (vp->v_usecount == 0 || (flags & FORCECLOSE)) {
VNASSERT(vp->v_usecount == 0 ||
vp->v_op != &devfs_specops ||
(vp->v_type != VCHR && vp->v_type != VBLK), vp,
("device VNODE %p is FORCECLOSED", vp));
vgonel(vp);
} else {
busy++;

1
sys/sys/vnode.h
View File

@ -827,7 +827,6 @@ void vnode_destroy_vobject(struct vnode *vp);
extern struct vop_vector fifo_specops;
extern struct vop_vector dead_vnodeops;
extern struct vop_vector default_vnodeops;
extern struct vop_vector devfs_specops;
#define VOP_PANIC ((void*)(uintptr_t)vop_panic)
#define VOP_NULL ((void*)(uintptr_t)vop_null)