diff options
Diffstat (limited to 'sys/fs/nullfs/null_vfsops.c')
| -rw-r--r-- | sys/fs/nullfs/null_vfsops.c | 25 |
1 files changed, 2 insertions, 23 deletions
diff --git a/sys/fs/nullfs/null_vfsops.c b/sys/fs/nullfs/null_vfsops.c index dfaefe3..8573398 100644 --- a/sys/fs/nullfs/null_vfsops.c +++ b/sys/fs/nullfs/null_vfsops.c @@ -229,7 +229,6 @@ nullfs_unmount(mp, mntflags, p) int mntflags; struct proc *p; { - struct vnode *vp = MOUNTTONULLMOUNT(mp)->nullm_rootvp; void *mntdata; int error; int flags = 0; @@ -239,31 +238,11 @@ nullfs_unmount(mp, mntflags, p) if (mntflags & MNT_FORCE) flags |= FORCECLOSE; - error = VFS_ROOT(mp, &vp); - if (error) - return (error); - if (vp->v_usecount > 2) { - NULLFSDEBUG("nullfs_unmount: rootvp is busy(%d)\n", - vp->v_usecount); - vput(vp); - return (EBUSY); - } - error = vflush(mp, vp, flags); + /* There is 1 extra root vnode reference (nullm_rootvp). */ + error = vflush(mp, 1, flags); if (error) return (error); -#ifdef NULLFS_DEBUG - vprint("alias root of lower", vp); -#endif - vput(vp); - /* - * Release reference on underlying root vnode - */ - vrele(vp); - /* - * And blow it away for future re-use - */ - vgone(vp); /* * Finally, throw away the null_mount structure */ |
