1 /* 2 * Copyright (C) 2004 Red Hat, Inc. All rights reserved. 3 * 4 * This file is released under the GPL. 5 * 6 * Multipath. 7 */ 8 9 #ifndef DM_MPATH_H 10 #define DM_MPATH_H 11 12 struct dm_dev; 13 14 struct dm_path { 15 struct dm_dev *dev; /* Read-only */ 16 unsigned is_active; /* Read-only */ 17 18 void *pscontext; /* For path-selector use */ 19 void *hwhcontext; /* For hw-handler use */ 20 }; 21 22 /* Callback for hwh_pg_init_fn to use when complete */ 23 void dm_pg_init_complete(struct dm_path *path, unsigned err_flags); 24 25 #endif 26