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Diffstat (limited to 'include/linux/raid/raid10.h')
-rw-r--r--include/linux/raid/raid10.h123
1 files changed, 0 insertions, 123 deletions
diff --git a/include/linux/raid/raid10.h b/include/linux/raid/raid10.h
deleted file mode 100644
index e9091cfeb286..000000000000
--- a/include/linux/raid/raid10.h
+++ /dev/null
@@ -1,123 +0,0 @@
-#ifndef _RAID10_H
-#define _RAID10_H
-
-#include <linux/raid/md.h>
-
-typedef struct mirror_info mirror_info_t;
-
-struct mirror_info {
- mdk_rdev_t *rdev;
- sector_t head_position;
-};
-
-typedef struct r10bio_s r10bio_t;
-
-struct r10_private_data_s {
- mddev_t *mddev;
- mirror_info_t *mirrors;
- int raid_disks;
- spinlock_t device_lock;
-
- /* geometry */
- int near_copies; /* number of copies layed out raid0 style */
- int far_copies; /* number of copies layed out
- * at large strides across drives
- */
- int far_offset; /* far_copies are offset by 1 stripe
- * instead of many
- */
- int copies; /* near_copies * far_copies.
- * must be <= raid_disks
- */
- sector_t stride; /* distance between far copies.
- * This is size / far_copies unless
- * far_offset, in which case it is
- * 1 stripe.
- */
-
- int chunk_shift; /* shift from chunks to sectors */
- sector_t chunk_mask;
-
- struct list_head retry_list;
- /* queue pending writes and submit them on unplug */
- struct bio_list pending_bio_list;
-
-
- 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;
-
- mempool_t *r10bio_pool;
- mempool_t *r10buf_pool;
- struct page *tmppage;
-};
-
-typedef struct r10_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' RAID10 bio.
- *
- * it contains information about what kind of IO operations were started
- * for this RAID10 operation, and about their status:
- */
-
-struct r10bio_s {
- atomic_t remaining; /* 'have we finished' count,
- * used from IRQ handlers
- */
- sector_t sector; /* virtual sector number */
- 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_slot;
-
- struct list_head retry_list;
- /*
- * if the IO is in WRITE direction, then multiple bios are used,
- * one for each copy.
- * When resyncing we also use one for each copy.
- * When reconstructing, we use 2 bios, one for read, one for write.
- * We choose the number when they are allocated.
- */
- struct {
- struct bio *bio;
- sector_t addr;
- int devnum;
- } devs[0];
-};
-
-/* 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 r10bio.state */
-#define R10BIO_Uptodate 0
-#define R10BIO_IsSync 1
-#define R10BIO_IsRecover 2
-#define R10BIO_Degraded 3
-#endif