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md: move headers out of include/linux/raid/

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Move the headers with the local structures for the disciplines and
bitmap.h into drivers/md/ so that they are more easily grepable for
hacking and not far away.  md.h is left where it is for now as there
are some uses from the outside.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: NeilBrown <neilb@suse.de>
This commit is contained in:
Christoph Hellwig
2009-03-31 14:27:03 +11:00
committed by NeilBrown
parent 2a40a8aed0
commit ef740c372d
16 changed files with 13 additions and 14 deletions
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42
drivers/md/multipath.h Normal file
View File

@@ -0,0 +1,42 @@
#ifndef _MULTIPATH_H
#define _MULTIPATH_H
#include <linux/raid/md.h>
struct multipath_info {
mdk_rdev_t *rdev;
};
struct multipath_private_data {
mddev_t *mddev;
struct multipath_info *multipaths;
int raid_disks;
int working_disks;
spinlock_t device_lock;
struct list_head retry_list;
mempool_t *pool;
};
typedef struct multipath_private_data multipath_conf_t;
/*
* this is the only point in the RAID code where we violate
* C type safety. mddev->private is an 'opaque' pointer.
*/
#define mddev_to_conf(mddev) ((multipath_conf_t *) mddev->private)
/*
* 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 {
mddev_t *mddev;
struct bio *master_bio;
struct bio bio;
int path;
struct list_head retry_list;
};
#endif