xref: /OK3568_Linux_fs/kernel/drivers/md/dm-mpath.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun  * Copyright (C) 2004 Red Hat, Inc. All rights reserved.
3*4882a593Smuzhiyun  *
4*4882a593Smuzhiyun  * This file is released under the GPL.
5*4882a593Smuzhiyun  *
6*4882a593Smuzhiyun  * Multipath.
7*4882a593Smuzhiyun  */
8*4882a593Smuzhiyun 
9*4882a593Smuzhiyun #ifndef	DM_MPATH_H
10*4882a593Smuzhiyun #define	DM_MPATH_H
11*4882a593Smuzhiyun 
12*4882a593Smuzhiyun struct dm_dev;
13*4882a593Smuzhiyun 
14*4882a593Smuzhiyun struct dm_path {
15*4882a593Smuzhiyun 	struct dm_dev *dev;	/* Read-only */
16*4882a593Smuzhiyun 	void *pscontext;	/* For path-selector use */
17*4882a593Smuzhiyun };
18*4882a593Smuzhiyun 
19*4882a593Smuzhiyun /* Callback for hwh_pg_init_fn to use when complete */
20*4882a593Smuzhiyun void dm_pg_init_complete(struct dm_path *path, unsigned err_flags);
21*4882a593Smuzhiyun 
22*4882a593Smuzhiyun #endif
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