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Integrate most of vop_revoke() into devfs_revoke() where it belongs.

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This commit is contained in:
phk 2004-11-13 23:37:29 +00:00
parent 437fa95897
commit aa4f69ad30
1 changed files with 24 additions and 1 deletions
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25
sys/fs/devfs/devfs_vnops.c
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@ -1240,11 +1240,34 @@ devfs_revoke(ap)
} */ *ap;
{
struct vnode *vp = ap->a_vp;
struct vnode *vq;
struct devfs_dirent *de;
struct cdev *dev;
KASSERT((ap->a_flags & REVOKEALL) != 0, ("devfs_revoke !REVOKEALL"));
de = vp->v_data;
de->de_vnode = NULL;
vop_revoke(ap);
VI_LOCK(vp);
/*
* If a vgone (or vclean) is already in progress,
* wait until it is done and return.
*/
if (vp->v_iflag & VI_XLOCK) {
vp->v_iflag |= VI_XWANT;
msleep(vp, VI_MTX(vp), PINOD | PDROP, "vop_revokeall", 0);
return (0);
}
VI_UNLOCK(vp);
dev = vp->v_rdev;
for (;;) {
dev_lock();
vq = SLIST_FIRST(&dev->si_hlist);
dev_unlock();
if (vq == NULL)
break;
vgone(vq);
}
return (0);
}