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- Don't vgonel() via vgone() or vrecycle() if the vnode is already doomed.

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This fixes forced unmounts via nullfs.

Reported by:	kkenn
Sponsored by:	Isilon Systems, Inc.
This commit is contained in:
jeff 2005-04-27 10:03:21 +00:00
parent 837145b4ab
commit ea92ede281
1 changed files with 8 additions and 1 deletions
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9
sys/kern/vfs_subr.c
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@ -2199,7 +2199,7 @@ vrecycle(struct vnode *vp, struct thread *td)
ASSERT_VOP_LOCKED(vp, "vrecycle");
VI_LOCK(vp);
if (vp->v_usecount == 0) {
if (vp->v_usecount == 0 && (vp->v_iflag & VI_DOOMED) == 0) {
vgonel(vp, td);
return (1);
}
@ -2217,7 +2217,14 @@ vgone(struct vnode *vp)
struct thread *td = curthread; /* XXX */
ASSERT_VOP_LOCKED(vp, "vgone");
/*
* Don't vgonel if we're already doomed.
*/
VI_LOCK(vp);
if (vp->v_iflag & VI_DOOMED) {
VI_UNLOCK(vp);
return;
}
vgonel(vp, td);
}