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linux-next/drivers/md/md-multipath.h
Kent Overstreet afeee514ce md: convert to bioset_init()/mempool_init()
Convert md to embedded bio sets.

Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2018-05-30 15:33:32 -06:00

33 lines
649 B
C

/* SPDX-License-Identifier: GPL-2.0 */
#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