diff --git a/block/blk-wbt.c b/block/blk-wbt.c
index 17676f4d7fd1..ad355fcda96c 100644
--- a/block/blk-wbt.c
+++ b/block/blk-wbt.c
@@ -19,7 +19,7 @@
  *
  */
 #include <linux/kernel.h>
-#include <linux/blk_types.h>
+#include <linux/bio.h>
 #include <linux/slab.h>
 #include <linux/backing-dev.h>
 #include <linux/swap.h>
diff --git a/drivers/target/target_core_pscsi.c b/drivers/target/target_core_pscsi.c
index 3e4abb13f8ea..1fd365ed83d6 100644
--- a/drivers/target/target_core_pscsi.c
+++ b/drivers/target/target_core_pscsi.c
@@ -27,7 +27,7 @@
 #include <linux/parser.h>
 #include <linux/timer.h>
 #include <linux/blkdev.h>
-#include <linux/blk_types.h>
+#include <linux/bio.h>
 #include <linux/slab.h>
 #include <linux/spinlock.h>
 #include <linux/genhd.h>
diff --git a/include/linux/bio.h b/include/linux/bio.h
index d1b04b0e99cf..f6a7c9e65ea0 100644
--- a/include/linux/bio.h
+++ b/include/linux/bio.h
@@ -25,10 +25,18 @@
 
 #ifdef CONFIG_BLOCK
 
+#include <linux/types.h>
+#include <linux/bvec.h>
 #include <asm/io.h>
 
-/* struct bio, bio_vec and BIO_* flags are defined in blk_types.h */
-#include <linux/blk_types.h>
+struct bio_set;
+struct bio;
+struct bio_integrity_payload;
+struct page;
+struct block_device;
+struct io_context;
+struct cgroup_subsys_state;
+typedef void (bio_end_io_t) (struct bio *);
 
 #define BIO_DEBUG
 
@@ -40,6 +48,301 @@
 
 #define BIO_MAX_PAGES		256
 
+struct blk_issue_stat {
+	u64 stat;
+};
+
+/*
+ * main unit of I/O for the block layer and lower layers (ie drivers and
+ * stacking drivers)
+ */
+struct bio {
+	struct bio		*bi_next;	/* request queue link */
+	struct block_device	*bi_bdev;
+	int			bi_error;
+	unsigned int		bi_opf;		/* bottom bits req flags,
+						 * top bits REQ_OP. Use
+						 * accessors.
+						 */
+	unsigned short		bi_flags;	/* status, etc and bvec pool number */
+	unsigned short		bi_ioprio;
+
+	struct bvec_iter	bi_iter;
+
+	/* Number of segments in this BIO after
+	 * physical address coalescing is performed.
+	 */
+	unsigned int		bi_phys_segments;
+
+	/*
+	 * To keep track of the max segment size, we account for the
+	 * sizes of the first and last mergeable segments in this bio.
+	 */
+	unsigned int		bi_seg_front_size;
+	unsigned int		bi_seg_back_size;
+
+	atomic_t		__bi_remaining;
+
+	bio_end_io_t		*bi_end_io;
+
+	void			*bi_private;
+#ifdef CONFIG_BLK_CGROUP
+	/*
+	 * Optional ioc and css associated with this bio.  Put on bio
+	 * release.  Read comment on top of bio_associate_current().
+	 */
+	struct io_context	*bi_ioc;
+	struct cgroup_subsys_state *bi_css;
+#ifdef CONFIG_BLK_DEV_THROTTLING_LOW
+	void			*bi_cg_private;
+	struct blk_issue_stat	bi_issue_stat;
+#endif
+#endif
+	union {
+#if defined(CONFIG_BLK_DEV_INTEGRITY)
+		struct bio_integrity_payload *bi_integrity; /* data integrity */
+#endif
+	};
+
+	unsigned short		bi_vcnt;	/* how many bio_vec's */
+
+	/*
+	 * Everything starting with bi_max_vecs will be preserved by bio_reset()
+	 */
+
+	unsigned short		bi_max_vecs;	/* max bvl_vecs we can hold */
+
+	atomic_t		__bi_cnt;	/* pin count */
+
+	struct bio_vec		*bi_io_vec;	/* the actual vec list */
+
+	struct bio_set		*bi_pool;
+
+	/*
+	 * We can inline a number of vecs at the end of the bio, to avoid
+	 * double allocations for a small number of bio_vecs. This member
+	 * MUST obviously be kept at the very end of the bio.
+	 */
+	struct bio_vec		bi_inline_vecs[0];
+};
+
+#define BIO_RESET_BYTES		offsetof(struct bio, bi_max_vecs)
+
+/*
+ * bio flags
+ */
+#define BIO_SEG_VALID	1	/* bi_phys_segments valid */
+#define BIO_CLONED	2	/* doesn't own data */
+#define BIO_BOUNCED	3	/* bio is a bounce bio */
+#define BIO_USER_MAPPED 4	/* contains user pages */
+#define BIO_NULL_MAPPED 5	/* contains invalid user pages */
+#define BIO_QUIET	6	/* Make BIO Quiet */
+#define BIO_CHAIN	7	/* chained bio, ->bi_remaining in effect */
+#define BIO_REFFED	8	/* bio has elevated ->bi_cnt */
+#define BIO_THROTTLED	9	/* This bio has already been subjected to
+				 * throttling rules. Don't do it again. */
+#define BIO_TRACE_COMPLETION 10	/* bio_endio() should trace the final completion
+				 * of this bio. */
+/* See BVEC_POOL_OFFSET below before adding new flags */
+
+/*
+ * We support 6 different bvec pools, the last one is magic in that it
+ * is backed by a mempool.
+ */
+#define BVEC_POOL_NR		6
+#define BVEC_POOL_MAX		(BVEC_POOL_NR - 1)
+
+/*
+ * Top 3 bits of bio flags indicate the pool the bvecs came from.  We add
+ * 1 to the actual index so that 0 indicates that there are no bvecs to be
+ * freed.
+ */
+#define BVEC_POOL_BITS		(3)
+#define BVEC_POOL_OFFSET	(16 - BVEC_POOL_BITS)
+#define BVEC_POOL_IDX(bio)	((bio)->bi_flags >> BVEC_POOL_OFFSET)
+#if (1<< BVEC_POOL_BITS) < (BVEC_POOL_NR+1)
+# error "BVEC_POOL_BITS is too small"
+#endif
+
+/*
+ * Flags starting here get preserved by bio_reset() - this includes
+ * only BVEC_POOL_IDX()
+ */
+#define BIO_RESET_BITS	BVEC_POOL_OFFSET
+
+/*
+ * Operations and flags common to the bio and request structures.
+ * We use 8 bits for encoding the operation, and the remaining 24 for flags.
+ *
+ * The least significant bit of the operation number indicates the data
+ * transfer direction:
+ *
+ *   - if the least significant bit is set transfers are TO the device
+ *   - if the least significant bit is not set transfers are FROM the device
+ *
+ * If a operation does not transfer data the least significant bit has no
+ * meaning.
+ */
+#define REQ_OP_BITS	8
+#define REQ_OP_MASK	((1 << REQ_OP_BITS) - 1)
+#define REQ_FLAG_BITS	24
+
+enum req_opf {
+	/* read sectors from the device */
+	REQ_OP_READ		= 0,
+	/* write sectors to the device */
+	REQ_OP_WRITE		= 1,
+	/* flush the volatile write cache */
+	REQ_OP_FLUSH		= 2,
+	/* discard sectors */
+	REQ_OP_DISCARD		= 3,
+	/* get zone information */
+	REQ_OP_ZONE_REPORT	= 4,
+	/* securely erase sectors */
+	REQ_OP_SECURE_ERASE	= 5,
+	/* seset a zone write pointer */
+	REQ_OP_ZONE_RESET	= 6,
+	/* write the same sector many times */
+	REQ_OP_WRITE_SAME	= 7,
+	/* write the zero filled sector many times */
+	REQ_OP_WRITE_ZEROES	= 9,
+
+	/* SCSI passthrough using struct scsi_request */
+	REQ_OP_SCSI_IN		= 32,
+	REQ_OP_SCSI_OUT		= 33,
+	/* Driver private requests */
+	REQ_OP_DRV_IN		= 34,
+	REQ_OP_DRV_OUT		= 35,
+
+	REQ_OP_LAST,
+};
+
+enum req_flag_bits {
+	__REQ_FAILFAST_DEV =	/* no driver retries of device errors */
+		REQ_OP_BITS,
+	__REQ_FAILFAST_TRANSPORT, /* no driver retries of transport errors */
+	__REQ_FAILFAST_DRIVER,	/* no driver retries of driver errors */
+	__REQ_SYNC,		/* request is sync (sync write or read) */
+	__REQ_META,		/* metadata io request */
+	__REQ_PRIO,		/* boost priority in cfq */
+	__REQ_NOMERGE,		/* don't touch this for merging */
+	__REQ_IDLE,		/* anticipate more IO after this one */
+	__REQ_INTEGRITY,	/* I/O includes block integrity payload */
+	__REQ_FUA,		/* forced unit access */
+	__REQ_PREFLUSH,		/* request for cache flush */
+	__REQ_RAHEAD,		/* read ahead, can fail anytime */
+	__REQ_BACKGROUND,	/* background IO */
+
+	/* command specific flags for REQ_OP_WRITE_ZEROES: */
+	__REQ_NOUNMAP,		/* do not free blocks when zeroing */
+
+	__REQ_NR_BITS,		/* stops here */
+};
+
+#define REQ_FAILFAST_DEV	(1ULL << __REQ_FAILFAST_DEV)
+#define REQ_FAILFAST_TRANSPORT	(1ULL << __REQ_FAILFAST_TRANSPORT)
+#define REQ_FAILFAST_DRIVER	(1ULL << __REQ_FAILFAST_DRIVER)
+#define REQ_SYNC		(1ULL << __REQ_SYNC)
+#define REQ_META		(1ULL << __REQ_META)
+#define REQ_PRIO		(1ULL << __REQ_PRIO)
+#define REQ_NOMERGE		(1ULL << __REQ_NOMERGE)
+#define REQ_IDLE		(1ULL << __REQ_IDLE)
+#define REQ_INTEGRITY		(1ULL << __REQ_INTEGRITY)
+#define REQ_FUA			(1ULL << __REQ_FUA)
+#define REQ_PREFLUSH		(1ULL << __REQ_PREFLUSH)
+#define REQ_RAHEAD		(1ULL << __REQ_RAHEAD)
+#define REQ_BACKGROUND		(1ULL << __REQ_BACKGROUND)
+
+#define REQ_NOUNMAP		(1ULL << __REQ_NOUNMAP)
+
+#define REQ_FAILFAST_MASK \
+	(REQ_FAILFAST_DEV | REQ_FAILFAST_TRANSPORT | REQ_FAILFAST_DRIVER)
+
+#define REQ_NOMERGE_FLAGS \
+	(REQ_NOMERGE | REQ_PREFLUSH | REQ_FUA)
+
+#define bio_op(bio) \
+	((bio)->bi_opf & REQ_OP_MASK)
+#define req_op(req) \
+	((req)->cmd_flags & REQ_OP_MASK)
+
+/* obsolete, don't use in new code */
+static inline void bio_set_op_attrs(struct bio *bio, unsigned op,
+		unsigned op_flags)
+{
+	bio->bi_opf = op | op_flags;
+}
+
+static inline bool op_is_write(unsigned int op)
+{
+	return (op & 1);
+}
+
+/*
+ * Check if the bio or request is one that needs special treatment in the
+ * flush state machine.
+ */
+static inline bool op_is_flush(unsigned int op)
+{
+	return op & (REQ_FUA | REQ_PREFLUSH);
+}
+
+/*
+ * Reads are always treated as synchronous, as are requests with the FUA or
+ * PREFLUSH flag.  Other operations may be marked as synchronous using the
+ * REQ_SYNC flag.
+ */
+static inline bool op_is_sync(unsigned int op)
+{
+	return (op & REQ_OP_MASK) == REQ_OP_READ ||
+		(op & (REQ_SYNC | REQ_FUA | REQ_PREFLUSH));
+}
+
+typedef unsigned int blk_qc_t;
+#define BLK_QC_T_NONE		-1U
+#define BLK_QC_T_SHIFT		16
+#define BLK_QC_T_INTERNAL	(1U << 31)
+
+static inline bool blk_qc_t_valid(blk_qc_t cookie)
+{
+	return cookie != BLK_QC_T_NONE;
+}
+
+static inline blk_qc_t blk_tag_to_qc_t(unsigned int tag, unsigned int queue_num,
+				       bool internal)
+{
+	blk_qc_t ret = tag | (queue_num << BLK_QC_T_SHIFT);
+
+	if (internal)
+		ret |= BLK_QC_T_INTERNAL;
+
+	return ret;
+}
+
+static inline unsigned int blk_qc_t_to_queue_num(blk_qc_t cookie)
+{
+	return (cookie & ~BLK_QC_T_INTERNAL) >> BLK_QC_T_SHIFT;
+}
+
+static inline unsigned int blk_qc_t_to_tag(blk_qc_t cookie)
+{
+	return cookie & ((1u << BLK_QC_T_SHIFT) - 1);
+}
+
+static inline bool blk_qc_t_is_internal(blk_qc_t cookie)
+{
+	return (cookie & BLK_QC_T_INTERNAL) != 0;
+}
+
+struct blk_rq_stat {
+	s64 mean;
+	u64 min;
+	u64 max;
+	s32 nr_samples;
+	s32 nr_batch;
+	u64 batch;
+};
+
 #define bio_prio(bio)			(bio)->bi_ioprio
 #define bio_set_prio(bio, prio)		((bio)->bi_ioprio = prio)
 
diff --git a/include/linux/blk_types.h b/include/linux/blk_types.h
deleted file mode 100644
index 61339bc44400..000000000000
--- a/include/linux/blk_types.h
+++ /dev/null
@@ -1,315 +0,0 @@
-/*
- * Block data types and constants.  Directly include this file only to
- * break include dependency loop.
- */
-#ifndef __LINUX_BLK_TYPES_H
-#define __LINUX_BLK_TYPES_H
-
-#include <linux/types.h>
-#include <linux/bvec.h>
-
-struct bio_set;
-struct bio;
-struct bio_integrity_payload;
-struct page;
-struct block_device;
-struct io_context;
-struct cgroup_subsys_state;
-typedef void (bio_end_io_t) (struct bio *);
-
-struct blk_issue_stat {
-	u64 stat;
-};
-
-/*
- * main unit of I/O for the block layer and lower layers (ie drivers and
- * stacking drivers)
- */
-struct bio {
-	struct bio		*bi_next;	/* request queue link */
-	struct block_device	*bi_bdev;
-	int			bi_error;
-	unsigned int		bi_opf;		/* bottom bits req flags,
-						 * top bits REQ_OP. Use
-						 * accessors.
-						 */
-	unsigned short		bi_flags;	/* status, etc and bvec pool number */
-	unsigned short		bi_ioprio;
-
-	struct bvec_iter	bi_iter;
-
-	/* Number of segments in this BIO after
-	 * physical address coalescing is performed.
-	 */
-	unsigned int		bi_phys_segments;
-
-	/*
-	 * To keep track of the max segment size, we account for the
-	 * sizes of the first and last mergeable segments in this bio.
-	 */
-	unsigned int		bi_seg_front_size;
-	unsigned int		bi_seg_back_size;
-
-	atomic_t		__bi_remaining;
-
-	bio_end_io_t		*bi_end_io;
-
-	void			*bi_private;
-#ifdef CONFIG_BLK_CGROUP
-	/*
-	 * Optional ioc and css associated with this bio.  Put on bio
-	 * release.  Read comment on top of bio_associate_current().
-	 */
-	struct io_context	*bi_ioc;
-	struct cgroup_subsys_state *bi_css;
-#ifdef CONFIG_BLK_DEV_THROTTLING_LOW
-	void			*bi_cg_private;
-	struct blk_issue_stat	bi_issue_stat;
-#endif
-#endif
-	union {
-#if defined(CONFIG_BLK_DEV_INTEGRITY)
-		struct bio_integrity_payload *bi_integrity; /* data integrity */
-#endif
-	};
-
-	unsigned short		bi_vcnt;	/* how many bio_vec's */
-
-	/*
-	 * Everything starting with bi_max_vecs will be preserved by bio_reset()
-	 */
-
-	unsigned short		bi_max_vecs;	/* max bvl_vecs we can hold */
-
-	atomic_t		__bi_cnt;	/* pin count */
-
-	struct bio_vec		*bi_io_vec;	/* the actual vec list */
-
-	struct bio_set		*bi_pool;
-
-	/*
-	 * We can inline a number of vecs at the end of the bio, to avoid
-	 * double allocations for a small number of bio_vecs. This member
-	 * MUST obviously be kept at the very end of the bio.
-	 */
-	struct bio_vec		bi_inline_vecs[0];
-};
-
-#define BIO_RESET_BYTES		offsetof(struct bio, bi_max_vecs)
-
-/*
- * bio flags
- */
-#define BIO_SEG_VALID	1	/* bi_phys_segments valid */
-#define BIO_CLONED	2	/* doesn't own data */
-#define BIO_BOUNCED	3	/* bio is a bounce bio */
-#define BIO_USER_MAPPED 4	/* contains user pages */
-#define BIO_NULL_MAPPED 5	/* contains invalid user pages */
-#define BIO_QUIET	6	/* Make BIO Quiet */
-#define BIO_CHAIN	7	/* chained bio, ->bi_remaining in effect */
-#define BIO_REFFED	8	/* bio has elevated ->bi_cnt */
-#define BIO_THROTTLED	9	/* This bio has already been subjected to
-				 * throttling rules. Don't do it again. */
-#define BIO_TRACE_COMPLETION 10	/* bio_endio() should trace the final completion
-				 * of this bio. */
-/* See BVEC_POOL_OFFSET below before adding new flags */
-
-/*
- * We support 6 different bvec pools, the last one is magic in that it
- * is backed by a mempool.
- */
-#define BVEC_POOL_NR		6
-#define BVEC_POOL_MAX		(BVEC_POOL_NR - 1)
-
-/*
- * Top 3 bits of bio flags indicate the pool the bvecs came from.  We add
- * 1 to the actual index so that 0 indicates that there are no bvecs to be
- * freed.
- */
-#define BVEC_POOL_BITS		(3)
-#define BVEC_POOL_OFFSET	(16 - BVEC_POOL_BITS)
-#define BVEC_POOL_IDX(bio)	((bio)->bi_flags >> BVEC_POOL_OFFSET)
-#if (1<< BVEC_POOL_BITS) < (BVEC_POOL_NR+1)
-# error "BVEC_POOL_BITS is too small"
-#endif
-
-/*
- * Flags starting here get preserved by bio_reset() - this includes
- * only BVEC_POOL_IDX()
- */
-#define BIO_RESET_BITS	BVEC_POOL_OFFSET
-
-/*
- * Operations and flags common to the bio and request structures.
- * We use 8 bits for encoding the operation, and the remaining 24 for flags.
- *
- * The least significant bit of the operation number indicates the data
- * transfer direction:
- *
- *   - if the least significant bit is set transfers are TO the device
- *   - if the least significant bit is not set transfers are FROM the device
- *
- * If a operation does not transfer data the least significant bit has no
- * meaning.
- */
-#define REQ_OP_BITS	8
-#define REQ_OP_MASK	((1 << REQ_OP_BITS) - 1)
-#define REQ_FLAG_BITS	24
-
-enum req_opf {
-	/* read sectors from the device */
-	REQ_OP_READ		= 0,
-	/* write sectors to the device */
-	REQ_OP_WRITE		= 1,
-	/* flush the volatile write cache */
-	REQ_OP_FLUSH		= 2,
-	/* discard sectors */
-	REQ_OP_DISCARD		= 3,
-	/* get zone information */
-	REQ_OP_ZONE_REPORT	= 4,
-	/* securely erase sectors */
-	REQ_OP_SECURE_ERASE	= 5,
-	/* seset a zone write pointer */
-	REQ_OP_ZONE_RESET	= 6,
-	/* write the same sector many times */
-	REQ_OP_WRITE_SAME	= 7,
-	/* write the zero filled sector many times */
-	REQ_OP_WRITE_ZEROES	= 9,
-
-	/* SCSI passthrough using struct scsi_request */
-	REQ_OP_SCSI_IN		= 32,
-	REQ_OP_SCSI_OUT		= 33,
-	/* Driver private requests */
-	REQ_OP_DRV_IN		= 34,
-	REQ_OP_DRV_OUT		= 35,
-
-	REQ_OP_LAST,
-};
-
-enum req_flag_bits {
-	__REQ_FAILFAST_DEV =	/* no driver retries of device errors */
-		REQ_OP_BITS,
-	__REQ_FAILFAST_TRANSPORT, /* no driver retries of transport errors */
-	__REQ_FAILFAST_DRIVER,	/* no driver retries of driver errors */
-	__REQ_SYNC,		/* request is sync (sync write or read) */
-	__REQ_META,		/* metadata io request */
-	__REQ_PRIO,		/* boost priority in cfq */
-	__REQ_NOMERGE,		/* don't touch this for merging */
-	__REQ_IDLE,		/* anticipate more IO after this one */
-	__REQ_INTEGRITY,	/* I/O includes block integrity payload */
-	__REQ_FUA,		/* forced unit access */
-	__REQ_PREFLUSH,		/* request for cache flush */
-	__REQ_RAHEAD,		/* read ahead, can fail anytime */
-	__REQ_BACKGROUND,	/* background IO */
-
-	/* command specific flags for REQ_OP_WRITE_ZEROES: */
-	__REQ_NOUNMAP,		/* do not free blocks when zeroing */
-
-	__REQ_NR_BITS,		/* stops here */
-};
-
-#define REQ_FAILFAST_DEV	(1ULL << __REQ_FAILFAST_DEV)
-#define REQ_FAILFAST_TRANSPORT	(1ULL << __REQ_FAILFAST_TRANSPORT)
-#define REQ_FAILFAST_DRIVER	(1ULL << __REQ_FAILFAST_DRIVER)
-#define REQ_SYNC		(1ULL << __REQ_SYNC)
-#define REQ_META		(1ULL << __REQ_META)
-#define REQ_PRIO		(1ULL << __REQ_PRIO)
-#define REQ_NOMERGE		(1ULL << __REQ_NOMERGE)
-#define REQ_IDLE		(1ULL << __REQ_IDLE)
-#define REQ_INTEGRITY		(1ULL << __REQ_INTEGRITY)
-#define REQ_FUA			(1ULL << __REQ_FUA)
-#define REQ_PREFLUSH		(1ULL << __REQ_PREFLUSH)
-#define REQ_RAHEAD		(1ULL << __REQ_RAHEAD)
-#define REQ_BACKGROUND		(1ULL << __REQ_BACKGROUND)
-
-#define REQ_NOUNMAP		(1ULL << __REQ_NOUNMAP)
-
-#define REQ_FAILFAST_MASK \
-	(REQ_FAILFAST_DEV | REQ_FAILFAST_TRANSPORT | REQ_FAILFAST_DRIVER)
-
-#define REQ_NOMERGE_FLAGS \
-	(REQ_NOMERGE | REQ_PREFLUSH | REQ_FUA)
-
-#define bio_op(bio) \
-	((bio)->bi_opf & REQ_OP_MASK)
-#define req_op(req) \
-	((req)->cmd_flags & REQ_OP_MASK)
-
-/* obsolete, don't use in new code */
-static inline void bio_set_op_attrs(struct bio *bio, unsigned op,
-		unsigned op_flags)
-{
-	bio->bi_opf = op | op_flags;
-}
-
-static inline bool op_is_write(unsigned int op)
-{
-	return (op & 1);
-}
-
-/*
- * Check if the bio or request is one that needs special treatment in the
- * flush state machine.
- */
-static inline bool op_is_flush(unsigned int op)
-{
-	return op & (REQ_FUA | REQ_PREFLUSH);
-}
-
-/*
- * Reads are always treated as synchronous, as are requests with the FUA or
- * PREFLUSH flag.  Other operations may be marked as synchronous using the
- * REQ_SYNC flag.
- */
-static inline bool op_is_sync(unsigned int op)
-{
-	return (op & REQ_OP_MASK) == REQ_OP_READ ||
-		(op & (REQ_SYNC | REQ_FUA | REQ_PREFLUSH));
-}
-
-typedef unsigned int blk_qc_t;
-#define BLK_QC_T_NONE		-1U
-#define BLK_QC_T_SHIFT		16
-#define BLK_QC_T_INTERNAL	(1U << 31)
-
-static inline bool blk_qc_t_valid(blk_qc_t cookie)
-{
-	return cookie != BLK_QC_T_NONE;
-}
-
-static inline blk_qc_t blk_tag_to_qc_t(unsigned int tag, unsigned int queue_num,
-				       bool internal)
-{
-	blk_qc_t ret = tag | (queue_num << BLK_QC_T_SHIFT);
-
-	if (internal)
-		ret |= BLK_QC_T_INTERNAL;
-
-	return ret;
-}
-
-static inline unsigned int blk_qc_t_to_queue_num(blk_qc_t cookie)
-{
-	return (cookie & ~BLK_QC_T_INTERNAL) >> BLK_QC_T_SHIFT;
-}
-
-static inline unsigned int blk_qc_t_to_tag(blk_qc_t cookie)
-{
-	return cookie & ((1u << BLK_QC_T_SHIFT) - 1);
-}
-
-static inline bool blk_qc_t_is_internal(blk_qc_t cookie)
-{
-	return (cookie & BLK_QC_T_INTERNAL) != 0;
-}
-
-struct blk_rq_stat {
-	s64 mean;
-	u64 min;
-	u64 max;
-	s32 nr_samples;
-	s32 nr_batch;
-	u64 batch;
-};
-
-#endif /* __LINUX_BLK_TYPES_H */
diff --git a/include/linux/swap.h b/include/linux/swap.h
index ba5882419a7d..d5664c7d7d93 100644
--- a/include/linux/swap.h
+++ b/include/linux/swap.h
@@ -328,7 +328,7 @@ extern void kswapd_stop(int nid);
 
 #ifdef CONFIG_SWAP
 
-#include <linux/blk_types.h> /* for bio_end_io_t */
+#include <linux/bio.h> /* for bio_end_io_t */
 
 /* linux/mm/page_io.c */
 extern int swap_readpage(struct page *);
