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- #ifndef _RAID1_H
- #define _RAID1_H
- struct raid1_info {
- struct md_rdev *rdev;
- sector_t head_position;
-
- sector_t next_seq_sect;
- sector_t seq_start;
- };
- struct pool_info {
- struct mddev *mddev;
- int raid_disks;
- };
- struct r1conf {
- struct mddev *mddev;
- struct raid1_info *mirrors;
- int raid_disks;
-
- sector_t next_resync;
-
- sector_t start_next_window;
- int current_window_requests;
- int next_window_requests;
- spinlock_t device_lock;
-
- struct list_head retry_list;
-
- struct bio_list pending_bio_list;
- int pending_count;
-
- wait_queue_head_t wait_barrier;
- spinlock_t resync_lock;
- int nr_pending;
- int nr_waiting;
- int nr_queued;
- int barrier;
- int array_frozen;
-
- int fullsync;
-
- int recovery_disabled;
-
- struct pool_info *poolinfo;
- mempool_t *r1bio_pool;
- mempool_t *r1buf_pool;
-
- struct page *tmppage;
-
- struct md_thread *thread;
- };
- struct r1bio {
- atomic_t remaining;
- atomic_t behind_remaining;
- sector_t sector;
- sector_t start_next_window;
- int sectors;
- unsigned long state;
- struct mddev *mddev;
-
- struct bio *master_bio;
-
- int read_disk;
- struct list_head retry_list;
-
- struct bio_vec *behind_bvecs;
- int behind_page_count;
-
- struct bio *bios[0];
-
- };
- #define R1BIO_Uptodate 0
- #define R1BIO_IsSync 1
- #define R1BIO_Degraded 2
- #define R1BIO_BehindIO 3
- #define R1BIO_ReadError 4
- #define R1BIO_Returned 6
- #define R1BIO_MadeGood 7
- #define R1BIO_WriteError 8
- #endif
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