diff options
Diffstat (limited to 'drivers/md/md-multipath.h')
| -rw-r--r-- | drivers/md/md-multipath.h | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/drivers/md/md-multipath.h b/drivers/md/md-multipath.h new file mode 100644 index 0000000000..b3099e5fc4 --- /dev/null +++ b/drivers/md/md-multipath.h @@ -0,0 +1,32 @@ +/* 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 |