File: multipath.h

package info (click to toggle)
linux 3.2.68-1%2Bdeb7u2
  • links: PTS, VCS
  • area: main
  • in suites: wheezy
  • size: 692,400 kB
  • sloc: ansic: 9,718,050; asm: 244,082; xml: 40,377; makefile: 23,842; perl: 16,079; python: 4,929; sh: 4,425; cpp: 3,596; yacc: 2,979; lex: 1,726; awk: 708; pascal: 231; lisp: 218; sed: 30
file content (31 lines) | stat: -rw-r--r-- 611 bytes parent folder | download | duplicates (24)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
#ifndef _MULTIPATH_H
#define _MULTIPATH_H

struct multipath_info {
	struct md_rdev	*rdev;
};

struct mpconf {
	struct mddev			*mddev;
	struct multipath_info	*multipaths;
	int			raid_disks;
	spinlock_t		device_lock;
	struct list_head	retry_list;

	mempool_t		*pool;
};

/*
 * this is our 'private' 'collective' MULTIPATH buffer head.
 * it contains information about what kind of IO operations were started
 * for this MULTIPATH operation, and about their status:
 */

struct multipath_bh {
	struct mddev			*mddev;
	struct bio		*master_bio;
	struct bio		bio;
	int			path;
	struct list_head	retry_list;
};
#endif