d48f40647d
That was just wrong. In fact, we can safely keep this static entry when it's inactive. Now the destructive action is moved to the reclaim method and the function is renamed from zfsctl_snapdir_inactive(0 to zfsctl_snapdir_reclaim(). Also, we can use gfs_vop_reclaim() instead of gfs_dir_inactive() + kmem_free(). Lastly, we can just assert that the node does not any children when it is reclaimed, even on the force unmount. That's because zfs_umount() does an extra vflush() pass which should destroy all snapshot-mountpoint vnodes that are the snapdir's children. MFC after: 5 weeks |
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| dev | ||