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Diffstat (limited to 'include/linux/raid/raid1.h')
-rw-r--r--include/linux/raid/raid1.h134
1 files changed, 0 insertions, 134 deletions
diff --git a/include/linux/raid/raid1.h b/include/linux/raid/raid1.h
deleted file mode 100644
index 0a9ba7c3302..00000000000
--- a/include/linux/raid/raid1.h
+++ /dev/null
@@ -1,134 +0,0 @@
-#ifndef _RAID1_H
-#define _RAID1_H
-
-#include <linux/raid/md.h>
-
-typedef struct mirror_info mirror_info_t;
-
-struct mirror_info {
- mdk_rdev_t *rdev;
- sector_t head_position;
-};
-
-/*
- * memory pools need a pointer to the mddev, so they can force an unplug
- * when memory is tight, and a count of the number of drives that the
- * pool was allocated for, so they know how much to allocate and free.
- * mddev->raid_disks cannot be used, as it can change while a pool is active
- * These two datums are stored in a kmalloced struct.
- */
-
-struct pool_info {
- mddev_t *mddev;
- int raid_disks;
-};
-
-
-typedef struct r1bio_s r1bio_t;
-
-struct r1_private_data_s {
- mddev_t *mddev;
- mirror_info_t *mirrors;
- int raid_disks;
- int last_used;
- sector_t next_seq_sect;
- spinlock_t device_lock;
-
- struct list_head retry_list;
- /* queue pending writes and submit them on unplug */
- struct bio_list pending_bio_list;
- /* queue of writes that have been unplugged */
- struct bio_list flushing_bio_list;
-
- /* for use when syncing mirrors: */
-
- spinlock_t resync_lock;
- int nr_pending;
- int nr_waiting;
- int nr_queued;
- int barrier;
- sector_t next_resync;
- int fullsync; /* set to 1 if a full sync is needed,
- * (fresh device added).
- * Cleared when a sync completes.
- */
-
- wait_queue_head_t wait_barrier;
-
- struct pool_info *poolinfo;
-
- struct page *tmppage;
-
- mempool_t *r1bio_pool;
- mempool_t *r1buf_pool;
-};
-
-typedef struct r1_private_data_s 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) ((conf_t *) mddev->private)
-
-/*
- * this is our 'private' RAID1 bio.
- *
- * it contains information about what kind of IO operations were started
- * for this RAID1 operation, and about their status:
- */
-
-struct r1bio_s {
- atomic_t remaining; /* 'have we finished' count,
- * used from IRQ handlers
- */
- atomic_t behind_remaining; /* number of write-behind ios remaining
- * in this BehindIO request
- */
- sector_t sector;
- int sectors;
- unsigned long state;
- mddev_t *mddev;
- /*
- * original bio going to /dev/mdx
- */
- struct bio *master_bio;
- /*
- * if the IO is in READ direction, then this is where we read
- */
- int read_disk;
-
- struct list_head retry_list;
- struct bitmap_update *bitmap_update;
- /*
- * if the IO is in WRITE direction, then multiple bios are used.
- * We choose the number when they are allocated.
- */
- struct bio *bios[0];
- /* DO NOT PUT ANY NEW FIELDS HERE - bios array is contiguously alloced*/
-};
-
-/* when we get a read error on a read-only array, we redirect to another
- * device without failing the first device, or trying to over-write to
- * correct the read error. To keep track of bad blocks on a per-bio
- * level, we store IO_BLOCKED in the appropriate 'bios' pointer
- */
-#define IO_BLOCKED ((struct bio*)1)
-
-/* bits for r1bio.state */
-#define R1BIO_Uptodate 0
-#define R1BIO_IsSync 1
-#define R1BIO_Degraded 2
-#define R1BIO_BehindIO 3
-#define R1BIO_Barrier 4
-#define R1BIO_BarrierRetry 5
-/* For write-behind requests, we call bi_end_io when
- * the last non-write-behind device completes, providing
- * any write was successful. Otherwise we call when
- * any write-behind write succeeds, otherwise we call
- * with failure when last write completes (and all failed).
- * Record that bi_end_io was called with this flag...
- */
-#define R1BIO_Returned 6
-
-#endif