X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=instrumentation%2Fevents%2Flttng-module%2Fblock.h;h=ffb10aa9d1ec7abfb567c3deacbf9bb6918b6ad0;hb=d3d6eee9fc4a21b8ec5b7f2c2d579bdeb547e76c;hp=4373edf349ec4bf6ba05b5d0b80fea689d148259;hpb=e6d2cc09300c7e46f6ea66259cbbec92138379e1;p=lttng-modules.git

diff --git a/instrumentation/events/lttng-module/block.h b/instrumentation/events/lttng-module/block.h
index 4373edf3..ffb10aa9 100644
--- a/instrumentation/events/lttng-module/block.h
+++ b/instrumentation/events/lttng-module/block.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM block
 
@@ -10,6 +11,10 @@
 #include <linux/trace_seq.h>
 #include <linux/version.h>
 
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,11,0))
+#include <scsi/scsi_request.h>
+#endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(4,11,0)) */
+
 #ifndef _TRACE_BLOCK_DEF_
 #define _TRACE_BLOCK_DEF_
 
@@ -29,7 +34,30 @@ enum {
 
 #endif /* _TRACE_BLOCK_DEF_ */
 
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,8,0))
+LTTNG_TRACEPOINT_ENUM(block_rq_type,
+	TP_ENUM_VALUES(
+		ctf_enum_value("RWBS_FLAG_WRITE", RWBS_FLAG_WRITE)
+		ctf_enum_value("RWBS_FLAG_DISCARD", RWBS_FLAG_DISCARD)
+		ctf_enum_value("RWBS_FLAG_READ", RWBS_FLAG_READ)
+		ctf_enum_value("RWBS_FLAG_RAHEAD", RWBS_FLAG_RAHEAD)
+		ctf_enum_value("RWBS_FLAG_BARRIER", RWBS_FLAG_BARRIER)
+		ctf_enum_value("RWBS_FLAG_SYNC", RWBS_FLAG_SYNC)
+		ctf_enum_value("RWBS_FLAG_META", RWBS_FLAG_META)
+		ctf_enum_value("RWBS_FLAG_SECURE", RWBS_FLAG_SECURE)
+		ctf_enum_value("RWBS_FLAG_FLUSH", RWBS_FLAG_FLUSH)
+		ctf_enum_value("RWBS_FLAG_FUA", RWBS_FLAG_FUA)
+		ctf_enum_value("RWBS_FLAG_PREFLUSH", RWBS_FLAG_PREFLUSH)
+	)
+)
+
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,8,0) || \
+	LTTNG_SLE_KERNEL_RANGE(4,4,73,5,0,0, 4,4,73,6,0,0) || \
+	LTTNG_SLE_KERNEL_RANGE(4,4,82,6,0,0, 4,4,82,7,0,0) || \
+	LTTNG_SLE_KERNEL_RANGE(4,4,92,6,0,0, 4,4,92,7,0,0) || \
+	LTTNG_SLE_KERNEL_RANGE(4,4,103,6,0,0, 4,4,103,7,0,0) || \
+	LTTNG_SLE_KERNEL_RANGE(4,4,114,94,0,0, 4,4,114,95,0,0) || \
+	LTTNG_SLE_KERNEL_RANGE(4,4,120,94,0,0, 4,4,120,95,0,0) || \
+	LTTNG_SLE_KERNEL_RANGE(4,4,126,94,0,0, 4,5,0,0,0,0))
 
 #define lttng_req_op(rq)	req_op(rq)
 #define lttng_req_rw(rq)	((rq)->cmd_flags)
@@ -37,7 +65,7 @@ enum {
 #define lttng_bio_rw(bio)	((bio)->bi_opf)
 
 #define blk_rwbs_ctf_integer(type, rwbs, op, rw, bytes)			      \
-		ctf_integer(type, rwbs,					      \
+		ctf_enum(block_rq_type, type, rwbs,					      \
 			(((op) == REQ_OP_WRITE || (op) == REQ_OP_WRITE_SAME) ? RWBS_FLAG_WRITE : \
 			( (op) == REQ_OP_DISCARD ? RWBS_FLAG_DISCARD :	      \
 			( (op) == REQ_OP_SECURE_ERASE ? (RWBS_FLAG_DISCARD | RWBS_FLAG_SECURE) : \
@@ -58,7 +86,7 @@ enum {
 #define lttng_bio_rw(bio)	((bio)->bi_rw)
 
 #define blk_rwbs_ctf_integer(type, rwbs, op, rw, bytes)			      \
-		ctf_integer(type, rwbs, ((rw) & WRITE ? RWBS_FLAG_WRITE :     \
+		ctf_enum(block_rq_type, type, rwbs, ((rw) & WRITE ? RWBS_FLAG_WRITE : \
 			( (rw) & REQ_DISCARD ? RWBS_FLAG_DISCARD :	      \
 			( (bytes) ? RWBS_FLAG_READ :			      \
 			( 0 ))))					      \
@@ -69,24 +97,7 @@ enum {
 			| ((rw) & REQ_FLUSH ? RWBS_FLAG_FLUSH : 0)	      \
 			| ((rw) & REQ_FUA ? RWBS_FLAG_FUA : 0))
 
-#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37))
-
-#define lttng_req_op(rq)
-#define lttng_req_rw(rq)	((rq)->cmd_flags)
-#define lttng_bio_op(bio)
-#define lttng_bio_rw(bio)	((bio)->bi_rw)
-
-#define blk_rwbs_ctf_integer(type, rwbs, op, rw, bytes)			      \
-		ctf_integer(type, rwbs, ((rw) & WRITE ? RWBS_FLAG_WRITE :     \
-			( (rw) & REQ_DISCARD ? RWBS_FLAG_DISCARD :	      \
-			( (bytes) ? RWBS_FLAG_READ :			      \
-			( 0 ))))					      \
-			| ((rw) & REQ_RAHEAD ? RWBS_FLAG_RAHEAD : 0)	      \
-			| ((rw) & REQ_SYNC ? RWBS_FLAG_SYNC : 0)	      \
-			| ((rw) & REQ_META ? RWBS_FLAG_META : 0)	      \
-			| ((rw) & REQ_SECURE ? RWBS_FLAG_SECURE : 0))
-
-#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,36))
+#else
 
 #define lttng_req_op(rq)
 #define lttng_req_rw(rq)	((rq)->cmd_flags)
@@ -94,33 +105,15 @@ enum {
 #define lttng_bio_rw(bio)	((bio)->bi_rw)
 
 #define blk_rwbs_ctf_integer(type, rwbs, op, rw, bytes)			      \
-		ctf_integer(type, rwbs, ((rw) & WRITE ? RWBS_FLAG_WRITE :     \
+		ctf_enum(block_rq_type, type, rwbs, ((rw) & WRITE ? RWBS_FLAG_WRITE :     \
 			( (rw) & REQ_DISCARD ? RWBS_FLAG_DISCARD :	      \
 			( (bytes) ? RWBS_FLAG_READ :			      \
 			( 0 ))))					      \
 			| ((rw) & REQ_RAHEAD ? RWBS_FLAG_RAHEAD : 0)	      \
-			| ((rw) & REQ_HARDBARRIER ? RWBS_FLAG_BARRIER : 0)    \
 			| ((rw) & REQ_SYNC ? RWBS_FLAG_SYNC : 0)	      \
 			| ((rw) & REQ_META ? RWBS_FLAG_META : 0)	      \
 			| ((rw) & REQ_SECURE ? RWBS_FLAG_SECURE : 0))
 
-#else
-
-#define lttng_req_op(rq)
-#define lttng_req_rw(rq)	((rq)->cmd_flags)
-#define lttng_bio_op(bio)
-#define lttng_bio_rw(bio)	((bio)->bi_rw)
-
-#define blk_rwbs_ctf_integer(type, rwbs, op, rw, bytes)			      \
-		ctf_integer(type, rwbs, ((rw) & WRITE ? RWBS_FLAG_WRITE :     \
-			( (rw) & (1 << BIO_RW_DISCARD) ? RWBS_FLAG_DISCARD :  \
-			( (bytes) ? RWBS_FLAG_READ :			      \
-			( 0 ))))					      \
-			| ((rw) & (1 << BIO_RW_AHEAD) ? RWBS_FLAG_RAHEAD : 0) \
-			| ((rw) & (1 << BIO_RW_SYNCIO) ? RWBS_FLAG_SYNC : 0)  \
-			| ((rw) & (1 << BIO_RW_META) ? RWBS_FLAG_META : 0)    \
-			| ((rw) & (1 << BIO_RW_BARRIER) ? RWBS_FLAG_BARRIER : 0))
-
 #endif
 
 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,9,0))
@@ -164,6 +157,9 @@ LTTNG_TRACEPOINT_EVENT_INSTANCE(block_buffer, block_dirty_buffer,
 )
 #endif
 
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,12,0))
+/* block_rq_with_error event class removed in kernel 4.12 */
+#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(4,11,0))
 LTTNG_TRACEPOINT_EVENT_CLASS_CODE(block_rq_with_error,
 
 	TP_PROTO(struct request_queue *q, struct request *rq),
@@ -178,6 +174,50 @@ LTTNG_TRACEPOINT_EVENT_CLASS_CODE(block_rq_with_error,
 	),
 
 	TP_code_pre(
+		if (blk_rq_is_scsi(rq)) {
+			struct scsi_request *scsi_rq = scsi_req(rq);
+			tp_locvar->sector = 0;
+			tp_locvar->nr_sector = 0;
+			tp_locvar->cmd = scsi_rq->cmd;
+			tp_locvar->cmd_len = scsi_rq->cmd_len;
+		} else {
+			tp_locvar->sector = blk_rq_pos(rq);
+			tp_locvar->nr_sector = blk_rq_sectors(rq);
+			tp_locvar->cmd = NULL;
+			tp_locvar->cmd_len = 0;
+		}
+	),
+
+	TP_FIELDS(
+		ctf_integer(dev_t, dev,
+			rq->rq_disk ? disk_devt(rq->rq_disk) : 0)
+		ctf_integer(sector_t, sector, tp_locvar->sector)
+		ctf_integer(unsigned int, nr_sector, tp_locvar->nr_sector)
+		ctf_integer(int, errors, rq->errors)
+		blk_rwbs_ctf_integer(unsigned int, rwbs,
+			lttng_req_op(rq), lttng_req_rw(rq), blk_rq_bytes(rq))
+		ctf_sequence_hex(unsigned char, cmd,
+			tp_locvar->cmd, size_t, tp_locvar->cmd_len)
+	),
+
+	TP_code_post()
+)
+#else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,11,0)) */
+LTTNG_TRACEPOINT_EVENT_CLASS_CODE(block_rq_with_error,
+
+	TP_PROTO(struct request_queue *q, struct request *rq),
+
+	TP_ARGS(q, rq),
+
+	TP_locvar(
+		sector_t sector;
+		unsigned int nr_sector;
+		unsigned char *cmd;
+		size_t cmd_len;
+	),
+
+	TP_code_pre(
+
 		if (rq->cmd_type == REQ_TYPE_BLOCK_PC) {
 			tp_locvar->sector = 0;
 			tp_locvar->nr_sector = 0;
@@ -205,7 +245,9 @@ LTTNG_TRACEPOINT_EVENT_CLASS_CODE(block_rq_with_error,
 
 	TP_code_post()
 )
+#endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,11,0)) */
 
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(4,12,0))
 /**
  * block_rq_abort - abort block operation request
  * @q: queue containing the block operation request
@@ -222,7 +264,33 @@ LTTNG_TRACEPOINT_EVENT_INSTANCE(block_rq_with_error, block_rq_abort,
 
 	TP_ARGS(q, rq)
 )
+#endif
+
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5,11,0))
+/**
+ * block_rq_requeue - place block IO request back on a queue
+ * @rq: block IO operation request
+ *
+ * The block operation request @rq is being placed back into queue
+ * @q.  For some reason the request was not completed and needs to be
+ * put back in the queue.
+ */
+LTTNG_TRACEPOINT_EVENT(block_rq_requeue,
+
+	TP_PROTO(struct request *rq),
 
+	TP_ARGS(rq),
+
+	TP_FIELDS(
+		ctf_integer(dev_t, dev,
+			rq->rq_disk ? disk_devt(rq->rq_disk) : 0)
+		ctf_integer(sector_t, sector, blk_rq_trace_sector(rq))
+		ctf_integer(unsigned int, nr_sector, blk_rq_trace_nr_sectors(rq))
+		blk_rwbs_ctf_integer(unsigned int, rwbs,
+			lttng_req_op(rq), lttng_req_rw(rq), blk_rq_bytes(rq))
+	)
+)
+#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(4,12,0))
 /**
  * block_rq_requeue - place block IO request back on a queue
  * @q: queue holding operation
@@ -232,20 +300,29 @@ LTTNG_TRACEPOINT_EVENT_INSTANCE(block_rq_with_error, block_rq_abort,
  * @q.  For some reason the request was not completed and needs to be
  * put back in the queue.
  */
+LTTNG_TRACEPOINT_EVENT(block_rq_requeue,
+
+	TP_PROTO(struct request_queue *q, struct request *rq),
+
+	TP_ARGS(q, rq),
+
+	TP_FIELDS(
+		ctf_integer(dev_t, dev,
+			rq->rq_disk ? disk_devt(rq->rq_disk) : 0)
+		ctf_integer(sector_t, sector, blk_rq_trace_sector(rq))
+		ctf_integer(unsigned int, nr_sector, blk_rq_trace_nr_sectors(rq))
+		blk_rwbs_ctf_integer(unsigned int, rwbs,
+			lttng_req_op(rq), lttng_req_rw(rq), blk_rq_bytes(rq))
+	)
+)
+#else
 LTTNG_TRACEPOINT_EVENT_INSTANCE(block_rq_with_error, block_rq_requeue,
 
 	TP_PROTO(struct request_queue *q, struct request *rq),
 
 	TP_ARGS(q, rq)
 )
-
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,5)	\
-	|| LTTNG_KERNEL_RANGE(3,12,21, 3,13,0)		\
-	|| LTTNG_KERNEL_RANGE(3,10,41, 3,11,0)		\
-	|| LTTNG_KERNEL_RANGE(3,4,91, 3,5,0)		\
-	|| LTTNG_KERNEL_RANGE(3,2,58, 3,3,0)		\
-	|| LTTNG_UBUNTU_KERNEL_RANGE(3,13,11,28, 3,14,0,0)	\
-	|| LTTNG_RHEL_KERNEL_RANGE(3,10,0,229,0,0, 3,11,0,0,0,0))
+#endif
 
 /**
  * block_rq_complete - block IO operation completed by device driver
@@ -259,6 +336,69 @@ LTTNG_TRACEPOINT_EVENT_INSTANCE(block_rq_with_error, block_rq_requeue,
  * do for the request. If @rq->bio is non-NULL then there is
  * additional work required to complete the request.
  */
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,12,0))
+LTTNG_TRACEPOINT_EVENT(block_rq_complete,
+
+	TP_PROTO(struct request *rq, int error, unsigned int nr_bytes),
+
+	TP_ARGS(rq, error, nr_bytes),
+
+	TP_FIELDS(
+		ctf_integer(dev_t, dev,
+			rq->rq_disk ? disk_devt(rq->rq_disk) : 0)
+		ctf_integer(sector_t, sector, blk_rq_pos(rq))
+		ctf_integer(unsigned int, nr_sector, nr_bytes >> 9)
+		ctf_integer(int, error, error)
+		blk_rwbs_ctf_integer(unsigned int, rwbs,
+			lttng_req_op(rq), lttng_req_rw(rq), nr_bytes)
+	)
+)
+#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(4,11,0))
+LTTNG_TRACEPOINT_EVENT_CODE(block_rq_complete,
+
+	TP_PROTO(struct request_queue *q, struct request *rq,
+		 unsigned int nr_bytes),
+
+	TP_ARGS(q, rq, nr_bytes),
+
+	TP_locvar(
+		unsigned char *cmd;
+		size_t cmd_len;
+	),
+
+	TP_code_pre(
+		if (blk_rq_is_scsi(rq)) {
+			struct scsi_request *scsi_rq = scsi_req(rq);
+			tp_locvar->cmd = scsi_rq->cmd;
+			tp_locvar->cmd_len = scsi_rq->cmd_len;
+		} else {
+			tp_locvar->cmd = NULL;
+			tp_locvar->cmd_len = 0;
+		}
+	),
+
+	TP_FIELDS(
+		ctf_integer(dev_t, dev,
+			rq->rq_disk ? disk_devt(rq->rq_disk) : 0)
+		ctf_integer(sector_t, sector, blk_rq_pos(rq))
+		ctf_integer(unsigned int, nr_sector, nr_bytes >> 9)
+		ctf_integer(int, errors, rq->errors)
+		blk_rwbs_ctf_integer(unsigned int, rwbs,
+			lttng_req_op(rq), lttng_req_rw(rq), nr_bytes)
+		ctf_sequence_hex(unsigned char, cmd,
+			tp_locvar->cmd, size_t, tp_locvar->cmd_len)
+	),
+
+	TP_code_post()
+)
+#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,5)	\
+	|| LTTNG_KERNEL_RANGE(3,12,21, 3,13,0)		\
+	|| LTTNG_KERNEL_RANGE(3,10,41, 3,11,0)		\
+	|| LTTNG_KERNEL_RANGE(3,4,91, 3,5,0)		\
+	|| LTTNG_KERNEL_RANGE(3,2,58, 3,3,0)		\
+	|| LTTNG_UBUNTU_KERNEL_RANGE(3,13,11,28, 3,14,0,0)	\
+	|| LTTNG_RHEL_KERNEL_RANGE(3,10,0,229,0,0, 3,11,0,0,0,0))
+
 LTTNG_TRACEPOINT_EVENT_CODE(block_rq_complete,
 
 	TP_PROTO(struct request_queue *q, struct request *rq,
@@ -318,6 +458,93 @@ LTTNG_TRACEPOINT_EVENT_INSTANCE(block_rq_with_error, block_rq_complete,
 
 #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,15,0)) */
 
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5,11,0))
+LTTNG_TRACEPOINT_EVENT_CLASS(block_rq,
+
+	TP_PROTO(struct request *rq),
+
+	TP_ARGS(rq),
+
+	TP_FIELDS(
+		ctf_integer(dev_t, dev,
+			rq->rq_disk ? disk_devt(rq->rq_disk) : 0)
+		ctf_integer(sector_t, sector, blk_rq_trace_sector(rq))
+		ctf_integer(unsigned int, nr_sector, blk_rq_trace_nr_sectors(rq))
+		ctf_integer(unsigned int, bytes, blk_rq_bytes(rq))
+		ctf_integer(pid_t, tid, current->pid)
+		blk_rwbs_ctf_integer(unsigned int, rwbs,
+			lttng_req_op(rq), lttng_req_rw(rq), blk_rq_bytes(rq))
+		ctf_array_text(char, comm, current->comm, TASK_COMM_LEN)
+	)
+)
+#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(4,12,0))
+LTTNG_TRACEPOINT_EVENT_CLASS(block_rq,
+
+	TP_PROTO(struct request_queue *q, struct request *rq),
+
+	TP_ARGS(q, rq),
+
+	TP_FIELDS(
+		ctf_integer(dev_t, dev,
+			rq->rq_disk ? disk_devt(rq->rq_disk) : 0)
+		ctf_integer(sector_t, sector, blk_rq_trace_sector(rq))
+		ctf_integer(unsigned int, nr_sector, blk_rq_trace_nr_sectors(rq))
+		ctf_integer(unsigned int, bytes, blk_rq_bytes(rq))
+		ctf_integer(pid_t, tid, current->pid)
+		blk_rwbs_ctf_integer(unsigned int, rwbs,
+			lttng_req_op(rq), lttng_req_rw(rq), blk_rq_bytes(rq))
+		ctf_array_text(char, comm, current->comm, TASK_COMM_LEN)
+	)
+)
+#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(4,11,0))
+LTTNG_TRACEPOINT_EVENT_CLASS_CODE(block_rq,
+
+	TP_PROTO(struct request_queue *q, struct request *rq),
+
+	TP_ARGS(q, rq),
+
+	TP_locvar(
+		sector_t sector;
+		unsigned int nr_sector;
+		unsigned int bytes;
+		unsigned char *cmd;
+		size_t cmd_len;
+	),
+
+	TP_code_pre(
+		if (blk_rq_is_scsi(rq)) {
+			struct scsi_request *scsi_rq = scsi_req(rq);
+			tp_locvar->sector = 0;
+			tp_locvar->nr_sector = 0;
+			tp_locvar->bytes = scsi_rq->resid_len;
+			tp_locvar->cmd = scsi_rq->cmd;
+			tp_locvar->cmd_len = scsi_rq->cmd_len;
+		} else {
+			tp_locvar->sector = blk_rq_pos(rq);
+			tp_locvar->nr_sector = blk_rq_sectors(rq);
+			tp_locvar->bytes = 0;
+			tp_locvar->cmd = NULL;
+			tp_locvar->cmd_len = 0;
+		}
+	),
+
+	TP_FIELDS(
+		ctf_integer(dev_t, dev,
+			rq->rq_disk ? disk_devt(rq->rq_disk) : 0)
+		ctf_integer(sector_t, sector, tp_locvar->sector)
+		ctf_integer(unsigned int, nr_sector, tp_locvar->nr_sector)
+		ctf_integer(unsigned int, bytes, tp_locvar->bytes)
+		ctf_integer(pid_t, tid, current->pid)
+		blk_rwbs_ctf_integer(unsigned int, rwbs,
+			lttng_req_op(rq), lttng_req_rw(rq), blk_rq_bytes(rq))
+		ctf_sequence_hex(unsigned char, cmd,
+			tp_locvar->cmd, size_t, tp_locvar->cmd_len)
+		ctf_array_text(char, comm, current->comm, TASK_COMM_LEN)
+	),
+
+	TP_code_post()
+)
+#else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,11,0)) */
 LTTNG_TRACEPOINT_EVENT_CLASS_CODE(block_rq,
 
 	TP_PROTO(struct request_queue *q, struct request *rq),
@@ -356,47 +583,311 @@ LTTNG_TRACEPOINT_EVENT_CLASS_CODE(block_rq,
 		ctf_integer(unsigned int, bytes, tp_locvar->bytes)
 		ctf_integer(pid_t, tid, current->pid)
 		blk_rwbs_ctf_integer(unsigned int, rwbs,
-			lttng_req_op(rq), lttng_req_rw(rq), blk_rq_bytes(rq))
-		ctf_sequence_hex(unsigned char, cmd,
-			tp_locvar->cmd, size_t, tp_locvar->cmd_len)
+			lttng_req_op(rq), lttng_req_rw(rq), blk_rq_bytes(rq))
+		ctf_sequence_hex(unsigned char, cmd,
+			tp_locvar->cmd, size_t, tp_locvar->cmd_len)
+		ctf_array_text(char, comm, current->comm, TASK_COMM_LEN)
+	),
+
+	TP_code_post()
+)
+#endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,11,0)) */
+
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5,11,0))
+/**
+ * block_rq_insert - insert block operation request into queue
+ * @rq: block IO operation request
+ *
+ * Called immediately before block operation request @rq is inserted
+ * into queue @q.  The fields in the operation request @rq struct can
+ * be examined to determine which device and sectors the pending
+ * operation would access.
+ */
+LTTNG_TRACEPOINT_EVENT_INSTANCE(block_rq, block_rq_insert,
+
+	TP_PROTO(struct request *rq),
+
+	TP_ARGS(rq)
+)
+#else
+/**
+ * block_rq_insert - insert block operation request into queue
+ * @q: target queue
+ * @rq: block IO operation request
+ *
+ * Called immediately before block operation request @rq is inserted
+ * into queue @q.  The fields in the operation request @rq struct can
+ * be examined to determine which device and sectors the pending
+ * operation would access.
+ */
+LTTNG_TRACEPOINT_EVENT_INSTANCE(block_rq, block_rq_insert,
+
+	TP_PROTO(struct request_queue *q, struct request *rq),
+
+	TP_ARGS(q, rq)
+)
+#endif
+
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5,11,0))
+/**
+ * block_rq_issue - issue pending block IO request operation to device driver
+ * @rq: block IO operation operation request
+ *
+ * Called when block operation request @rq from queue @q is sent to a
+ * device driver for processing.
+ */
+LTTNG_TRACEPOINT_EVENT_INSTANCE(block_rq, block_rq_issue,
+
+	TP_PROTO(struct request *rq),
+
+	TP_ARGS(rq)
+)
+#else
+/**
+ * block_rq_issue - issue pending block IO request operation to device driver
+ * @q: queue holding operation
+ * @rq: block IO operation operation request
+ *
+ * Called when block operation request @rq from queue @q is sent to a
+ * device driver for processing.
+ */
+LTTNG_TRACEPOINT_EVENT_INSTANCE(block_rq, block_rq_issue,
+
+	TP_PROTO(struct request_queue *q, struct request *rq),
+
+	TP_ARGS(q, rq)
+)
+#endif
+
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5,11,0))
+/**
+ * block_rq_merge - merge request with another one in the elevator
+ * @rq: block IO operation operation request
+ *
+ * Called when block operation request @rq from queue @q is merged to another
+ * request queued in the elevator.
+ */
+LTTNG_TRACEPOINT_EVENT_INSTANCE(block_rq, block_rq_merge,
+
+	TP_PROTO(struct request *rq),
+
+	TP_ARGS(rq)
+)
+#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(5,9,0))
+/**
+ * block_rq_merge - merge request with another one in the elevator
+ * @q: queue holding operation
+ * @rq: block IO operation operation request
+ *
+ * Called when block operation request @rq from queue @q is merged to another
+ * request queued in the elevator.
+ */
+LTTNG_TRACEPOINT_EVENT_INSTANCE(block_rq, block_rq_merge,
+
+	TP_PROTO(struct request_queue *q, struct request *rq),
+
+	TP_ARGS(q, rq)
+)
+#endif
+
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5,8,0))
+/**
+ * block_bio_complete - completed all work on the block operation
+ * @q: queue holding the block operation
+ * @bio: block operation completed
+ * @error: io error value
+ *
+ * This tracepoint indicates there is no further work to do on this
+ * block IO operation @bio.
+ */
+LTTNG_TRACEPOINT_EVENT(block_bio_complete,
+
+	TP_PROTO(struct request_queue *q, struct bio *bio),
+
+	TP_ARGS(q, bio),
+
+	TP_FIELDS(
+		ctf_integer(dev_t, dev, bio_dev(bio))
+		ctf_integer(sector_t, sector, bio->bi_iter.bi_sector)
+		ctf_integer(unsigned int, nr_sector, bio_sectors(bio))
+		ctf_integer(int, error, blk_status_to_errno(bio->bi_status))
+		blk_rwbs_ctf_integer(unsigned int, rwbs,
+			lttng_bio_op(bio), lttng_bio_rw(bio),
+			bio->bi_iter.bi_size)
+	)
+)
+#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(4,14,0))
+/**
+ * block_bio_complete - completed all work on the block operation
+ * @q: queue holding the block operation
+ * @bio: block operation completed
+ * @error: io error value
+ *
+ * This tracepoint indicates there is no further work to do on this
+ * block IO operation @bio.
+ */
+LTTNG_TRACEPOINT_EVENT(block_bio_complete,
+
+	TP_PROTO(struct request_queue *q, struct bio *bio, int error),
+
+	TP_ARGS(q, bio, error),
+
+	TP_FIELDS(
+		ctf_integer(dev_t, dev, bio_dev(bio))
+		ctf_integer(sector_t, sector, bio->bi_iter.bi_sector)
+		ctf_integer(unsigned int, nr_sector, bio_sectors(bio))
+		ctf_integer(int, error, error)
+		blk_rwbs_ctf_integer(unsigned int, rwbs,
+			lttng_bio_op(bio), lttng_bio_rw(bio),
+			bio->bi_iter.bi_size)
+	)
+)
+#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0))
+/**
+ * block_bio_complete - completed all work on the block operation
+ * @q: queue holding the block operation
+ * @bio: block operation completed
+ * @error: io error value
+ *
+ * This tracepoint indicates there is no further work to do on this
+ * block IO operation @bio.
+ */
+LTTNG_TRACEPOINT_EVENT(block_bio_complete,
+
+	TP_PROTO(struct request_queue *q, struct bio *bio, int error),
+
+	TP_ARGS(q, bio, error),
+
+	TP_FIELDS(
+		ctf_integer(dev_t, dev, bio->bi_bdev->bd_dev)
+		ctf_integer(sector_t, sector, bio->bi_iter.bi_sector)
+		ctf_integer(unsigned int, nr_sector, bio_sectors(bio))
+		ctf_integer(int, error, error)
+		blk_rwbs_ctf_integer(unsigned int, rwbs,
+			lttng_bio_op(bio), lttng_bio_rw(bio),
+			bio->bi_iter.bi_size)
+	)
+)
+#else
+/**
+ * block_bio_complete - completed all work on the block operation
+ * @q: queue holding the block operation
+ * @bio: block operation completed
+ * @error: io error value
+ *
+ * This tracepoint indicates there is no further work to do on this
+ * block IO operation @bio.
+ */
+LTTNG_TRACEPOINT_EVENT(block_bio_complete,
+
+	TP_PROTO(struct request_queue *q, struct bio *bio, int error),
+
+	TP_ARGS(q, bio, error),
+
+	TP_FIELDS(
+		ctf_integer(dev_t, dev, bio->bi_bdev->bd_dev)
+		ctf_integer(sector_t, sector, bio->bi_sector)
+		ctf_integer(unsigned int, nr_sector, bio->bi_size >> 9)
+		ctf_integer(int, error, error)
+		blk_rwbs_ctf_integer(unsigned int, rwbs,
+			lttng_bio_op(bio), lttng_bio_rw(bio), bio->bi_size)
+	)
+)
+#endif
+
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5,11,0))
+LTTNG_TRACEPOINT_EVENT_CLASS(block_bio,
+
+	TP_PROTO(struct bio *bio),
+
+	TP_ARGS(bio),
+
+	TP_FIELDS(
+		ctf_integer(dev_t, dev, bio_dev(bio))
+		ctf_integer(sector_t, sector, bio->bi_iter.bi_sector)
+		ctf_integer(unsigned int, nr_sector, bio_sectors(bio))
+		blk_rwbs_ctf_integer(unsigned int, rwbs,
+			lttng_bio_op(bio), lttng_bio_rw(bio),
+			bio->bi_iter.bi_size)
+		ctf_integer(pid_t, tid, current->pid)
+		ctf_array_text(char, comm, current->comm, TASK_COMM_LEN)
+	)
+)
+#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(4,14,0))
+LTTNG_TRACEPOINT_EVENT_CLASS(block_bio_merge,
+
+	TP_PROTO(struct request_queue *q, struct request *rq, struct bio *bio),
+
+	TP_ARGS(q, rq, bio),
+
+	TP_FIELDS(
+		ctf_integer(dev_t, dev, bio_dev(bio))
+		ctf_integer(sector_t, sector, bio->bi_iter.bi_sector)
+		ctf_integer(unsigned int, nr_sector, bio_sectors(bio))
+		blk_rwbs_ctf_integer(unsigned int, rwbs,
+			lttng_bio_op(bio), lttng_bio_rw(bio),
+			bio->bi_iter.bi_size)
+		ctf_integer(pid_t, tid, current->pid)
+		ctf_array_text(char, comm, current->comm, TASK_COMM_LEN)
+	)
+)
+#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0))
+LTTNG_TRACEPOINT_EVENT_CLASS(block_bio_merge,
+
+	TP_PROTO(struct request_queue *q, struct request *rq, struct bio *bio),
+
+	TP_ARGS(q, rq, bio),
+
+	TP_FIELDS(
+		ctf_integer(dev_t, dev, bio->bi_bdev->bd_dev)
+		ctf_integer(sector_t, sector, bio->bi_iter.bi_sector)
+		ctf_integer(unsigned int, nr_sector, bio_sectors(bio))
+		blk_rwbs_ctf_integer(unsigned int, rwbs,
+			lttng_bio_op(bio), lttng_bio_rw(bio),
+			bio->bi_iter.bi_size)
+		ctf_integer(pid_t, tid, current->pid)
+		ctf_array_text(char, comm, current->comm, TASK_COMM_LEN)
+	)
+)
+#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,9,0))
+LTTNG_TRACEPOINT_EVENT_CLASS(block_bio_merge,
+
+	TP_PROTO(struct request_queue *q, struct request *rq, struct bio *bio),
+
+	TP_ARGS(q, rq, bio),
+
+	TP_FIELDS(
+		ctf_integer(dev_t, dev, bio->bi_bdev->bd_dev)
+		ctf_integer(sector_t, sector, bio->bi_sector)
+		ctf_integer(unsigned int, nr_sector, bio->bi_size >> 9)
+		blk_rwbs_ctf_integer(unsigned int, rwbs,
+			lttng_bio_op(bio), lttng_bio_rw(bio), bio->bi_size)
+		ctf_integer(pid_t, tid, current->pid)
 		ctf_array_text(char, comm, current->comm, TASK_COMM_LEN)
-	),
-
-	TP_code_post()
+	)
 )
+#endif
 
-/**
- * block_rq_insert - insert block operation request into queue
- * @q: target queue
- * @rq: block IO operation request
- *
- * Called immediately before block operation request @rq is inserted
- * into queue @q.  The fields in the operation request @rq struct can
- * be examined to determine which device and sectors the pending
- * operation would access.
- */
-LTTNG_TRACEPOINT_EVENT_INSTANCE(block_rq, block_rq_insert,
-
-	TP_PROTO(struct request_queue *q, struct request *rq),
 
-	TP_ARGS(q, rq)
-)
 
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5,11,0))
 /**
- * block_rq_issue - issue pending block IO request operation to device driver
- * @q: queue holding operation
- * @rq: block IO operation operation request
+ * block_bio_bounce - used bounce buffer when processing block operation
+ * @bio: block operation
  *
- * Called when block operation request @rq from queue @q is sent to a
- * device driver for processing.
+ * A bounce buffer was used to handle the block operation @bio in @q.
+ * This occurs when hardware limitations prevent a direct transfer of
+ * data between the @bio data memory area and the IO device.  Use of a
+ * bounce buffer requires extra copying of data and decreases
+ * performance.
  */
-LTTNG_TRACEPOINT_EVENT_INSTANCE(block_rq, block_rq_issue,
+LTTNG_TRACEPOINT_EVENT_INSTANCE(block_bio, block_bio_bounce,
 
-	TP_PROTO(struct request_queue *q, struct request *rq),
+	TP_PROTO(struct bio *bio),
 
-	TP_ARGS(q, rq)
+	TP_ARGS(bio)
 )
-
+#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(4,14,0))
 /**
  * block_bio_bounce - used bounce buffer when processing block operation
  * @q: queue holding the block operation
@@ -415,98 +906,99 @@ LTTNG_TRACEPOINT_EVENT(block_bio_bounce,
 	TP_ARGS(q, bio),
 
 	TP_FIELDS(
-		ctf_integer(dev_t, dev, bio->bi_bdev ? bio->bi_bdev->bd_dev : 0)
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0))
+		ctf_integer(dev_t, dev, bio_dev(bio))
 		ctf_integer(sector_t, sector, bio->bi_iter.bi_sector)
 		ctf_integer(unsigned int, nr_sector, bio_sectors(bio))
 		blk_rwbs_ctf_integer(unsigned int, rwbs,
 			lttng_bio_op(bio), lttng_bio_rw(bio),
 			bio->bi_iter.bi_size)
-#else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */
-		ctf_integer(sector_t, sector, bio->bi_sector)
-		ctf_integer(unsigned int, nr_sector, bio->bi_size >> 9)
-		blk_rwbs_ctf_integer(unsigned int, rwbs,
-			lttng_bio_op(bio), lttng_bio_rw(bio),
-			bio->bi_size)
-#endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */
 		ctf_integer(pid_t, tid, current->pid)
 		ctf_array_text(char, comm, current->comm, TASK_COMM_LEN)
 	)
 )
+#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0))
+LTTNG_TRACEPOINT_EVENT(block_bio_bounce,
 
-/**
- * block_bio_complete - completed all work on the block operation
- * @q: queue holding the block operation
- * @bio: block operation completed
- * @error: io error value
- *
- * This tracepoint indicates there is no further work to do on this
- * block IO operation @bio.
- */
-LTTNG_TRACEPOINT_EVENT(block_bio_complete,
-
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,38))
-	TP_PROTO(struct request_queue *q, struct bio *bio, int error),
-
-	TP_ARGS(q, bio, error),
-#else
 	TP_PROTO(struct request_queue *q, struct bio *bio),
 
 	TP_ARGS(q, bio),
-#endif
 
 	TP_FIELDS(
-		ctf_integer(dev_t, dev, bio->bi_bdev->bd_dev)
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0))
+		ctf_integer(dev_t, dev, bio->bi_bdev ? bio->bi_bdev->bd_dev : 0)
 		ctf_integer(sector_t, sector, bio->bi_iter.bi_sector)
 		ctf_integer(unsigned int, nr_sector, bio_sectors(bio))
-		ctf_integer(int, error, error)
 		blk_rwbs_ctf_integer(unsigned int, rwbs,
 			lttng_bio_op(bio), lttng_bio_rw(bio),
 			bio->bi_iter.bi_size)
-#else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */
-		ctf_integer(sector_t, sector, bio->bi_sector)
-		ctf_integer(unsigned int, nr_sector, bio->bi_size >> 9)
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,38))
-		ctf_integer(int, error, error)
-#else
-		ctf_integer(int, error, 0)
-#endif
-		blk_rwbs_ctf_integer(unsigned int, rwbs,
-			lttng_bio_op(bio), lttng_bio_rw(bio), bio->bi_size)
-#endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */
+		ctf_integer(pid_t, tid, current->pid)
+		ctf_array_text(char, comm, current->comm, TASK_COMM_LEN)
 	)
 )
+#else
+LTTNG_TRACEPOINT_EVENT(block_bio_bounce,
 
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,9,0))
-LTTNG_TRACEPOINT_EVENT_CLASS(block_bio_merge,
-
-	TP_PROTO(struct request_queue *q, struct request *rq, struct bio *bio),
+	TP_PROTO(struct request_queue *q, struct bio *bio),
 
-	TP_ARGS(q, rq, bio),
+	TP_ARGS(q, bio),
 
 	TP_FIELDS(
-		ctf_integer(dev_t, dev, bio->bi_bdev->bd_dev)
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0))
-		ctf_integer(sector_t, sector, bio->bi_iter.bi_sector)
-		ctf_integer(unsigned int, nr_sector, bio_sectors(bio))
-		blk_rwbs_ctf_integer(unsigned int, rwbs,
-			lttng_bio_op(bio), lttng_bio_rw(bio),
-			bio->bi_iter.bi_size)
-#else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */
+		ctf_integer(dev_t, dev, bio->bi_bdev ? bio->bi_bdev->bd_dev : 0)
 		ctf_integer(sector_t, sector, bio->bi_sector)
 		ctf_integer(unsigned int, nr_sector, bio->bi_size >> 9)
 		blk_rwbs_ctf_integer(unsigned int, rwbs,
-			lttng_bio_op(bio), lttng_bio_rw(bio), bio->bi_size)
-#endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */
+			lttng_bio_op(bio), lttng_bio_rw(bio),
+			bio->bi_size)
 		ctf_integer(pid_t, tid, current->pid)
 		ctf_array_text(char, comm, current->comm, TASK_COMM_LEN)
 	)
 )
+#endif
+
+
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5,11,0))
+/**
+ * block_bio_backmerge - merging block operation to the end of an existing operation
+ * @bio: new block operation to merge
+ *
+ * Merging block request @bio to the end of an existing block request.
+ */
+LTTNG_TRACEPOINT_EVENT_INSTANCE(block_bio, block_bio_backmerge,
+
+	TP_PROTO(struct bio *bio),
+
+	TP_ARGS(bio)
+)
+
+/**
+ * block_bio_frontmerge - merging block operation to the beginning of an existing operation
+ * @bio: new block operation to merge
+ *
+ * Merging block IO operation @bio to the beginning of an existing block request.
+ */
+LTTNG_TRACEPOINT_EVENT_INSTANCE(block_bio, block_bio_frontmerge,
+
+	TP_PROTO(struct bio *bio),
+
+	TP_ARGS(bio)
+)
+
+/**
+ * block_bio_queue - putting new block IO operation in queue
+ * @bio: new block operation
+ *
+ * About to place the block IO operation @bio into queue @q.
+ */
+LTTNG_TRACEPOINT_EVENT_INSTANCE(block_bio, block_bio_queue,
 
+	TP_PROTO(struct bio *bio),
+
+	TP_ARGS(bio)
+)
+#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,9,0))
 /**
  * block_bio_backmerge - merging block operation to the end of an existing operation
  * @q: queue holding operation
+ * @rq: request bio is being merged into
  * @bio: new block operation to merge
  *
  * Merging block request @bio to the end of an existing block request
@@ -522,6 +1014,7 @@ LTTNG_TRACEPOINT_EVENT_INSTANCE(block_bio_merge, block_bio_backmerge,
 /**
  * block_bio_frontmerge - merging block operation to the beginning of an existing operation
  * @q: queue holding operation
+ * @rq: request bio is being merged into
  * @bio: new block operation to merge
  *
  * Merging block IO operation @bio to the beginning of an existing block
@@ -548,7 +1041,11 @@ LTTNG_TRACEPOINT_EVENT(block_bio_queue,
 	TP_ARGS(q, bio),
 
 	TP_FIELDS(
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,14,0))
+		ctf_integer(dev_t, dev, bio_dev(bio))
+#else
 		ctf_integer(dev_t, dev, bio->bi_bdev->bd_dev)
+#endif
 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0))
 		ctf_integer(sector_t, sector, bio->bi_iter.bi_sector)
 		ctf_integer(unsigned int, nr_sector, bio_sectors(bio))
@@ -628,6 +1125,20 @@ LTTNG_TRACEPOINT_EVENT_INSTANCE(block_bio, block_bio_queue,
 )
 #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,9,0)) */
 
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5,11,0))
+/**
+ * block_getrq - get a free request entry in queue for block IO operations
+ * @bio: pending block IO operation (can be %NULL)
+ *
+ * A request struct has been allocated to handle the block IO operation @bio.
+ */
+LTTNG_TRACEPOINT_EVENT_INSTANCE(block_bio, block_getrq,
+
+	TP_PROTO(struct bio *bio),
+
+	TP_ARGS(bio)
+)
+#else
 LTTNG_TRACEPOINT_EVENT_CLASS(block_get_rq,
 
 	TP_PROTO(struct request_queue *q, struct bio *bio, int rw),
@@ -635,7 +1146,11 @@ LTTNG_TRACEPOINT_EVENT_CLASS(block_get_rq,
 	TP_ARGS(q, bio, rw),
 
 	TP_FIELDS(
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,14,0))
+		ctf_integer(dev_t, dev, bio ? bio_dev(bio) : 0)
+#else
 		ctf_integer(dev_t, dev, bio ? bio->bi_bdev->bd_dev : 0)
+#endif
 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0))
 		ctf_integer(sector_t, sector, bio ? bio->bi_iter.bi_sector : 0)
 		ctf_integer(unsigned int, nr_sector,
@@ -661,7 +1176,7 @@ LTTNG_TRACEPOINT_EVENT_CLASS(block_get_rq,
 /**
  * block_getrq - get a free request entry in queue for block IO operations
  * @q: queue for operations
- * @bio: pending block IO operation
+ * @bio: pending block IO operation (can be %NULL)
  * @rw: low bit indicates a read (%0) or a write (%1)
  *
  * A request struct for queue @q has been allocated to handle the
@@ -677,7 +1192,7 @@ LTTNG_TRACEPOINT_EVENT_INSTANCE(block_get_rq, block_getrq,
 /**
  * block_sleeprq - waiting to get a free request entry in queue for block IO operation
  * @q: queue for operation
- * @bio: pending block IO operation
+ * @bio: pending block IO operation (can be %NULL)
  * @rw: low bit indicates a read (%0) or a write (%1)
  *
  * In the case where a request struct cannot be provided for queue @q
@@ -691,6 +1206,7 @@ LTTNG_TRACEPOINT_EVENT_INSTANCE(block_get_rq, block_sleeprq,
 
 	TP_ARGS(q, bio, rw)
 )
+#endif
 
 /**
  * block_plug - keep operations requests in request queue
@@ -714,43 +1230,17 @@ LTTNG_TRACEPOINT_EVENT(block_plug,
 
 LTTNG_TRACEPOINT_EVENT_CLASS(block_unplug,
 
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,39))
 	TP_PROTO(struct request_queue *q, unsigned int depth, bool explicit),
 
 	TP_ARGS(q, depth, explicit),
-#else
-	TP_PROTO(struct request_queue *q),
-
-	TP_ARGS(q),
-#endif
 
 	TP_FIELDS(
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,39))
 		ctf_integer(int, nr_rq, depth)
-#else
-		ctf_integer(int, nr_rq, q->rq.count[READ] + q->rq.count[WRITE])
-#endif
 		ctf_integer(pid_t, tid, current->pid)
 		ctf_array_text(char, comm, current->comm, TASK_COMM_LEN)
 	)
 )
 
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,39))
-/**
- * block_unplug_timer - timed release of operations requests in queue to device driver
- * @q: request queue to unplug
- *
- * Unplug the request queue @q because a timer expired and allow block
- * operation requests to be sent to the device driver.
- */
-LTTNG_TRACEPOINT_EVENT_INSTANCE(block_unplug, block_unplug_timer,
-
-	TP_PROTO(struct request_queue *q),
-
-	TP_ARGS(q)
-)
-#endif
-
 /**
  * block_unplug - release of operations requests in request queue
  * @q: request queue to unplug
@@ -760,23 +1250,43 @@ LTTNG_TRACEPOINT_EVENT_INSTANCE(block_unplug, block_unplug_timer,
  * Unplug request queue @q because device driver is scheduled to work
  * on elements in the request queue.
  */
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,39))
 LTTNG_TRACEPOINT_EVENT_INSTANCE(block_unplug, block_unplug,
-#else
-LTTNG_TRACEPOINT_EVENT_INSTANCE(block_unplug, block_unplug_io,
-#endif
 
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,39))
 	TP_PROTO(struct request_queue *q, unsigned int depth, bool explicit),
 
 	TP_ARGS(q, depth, explicit)
-#else
-	TP_PROTO(struct request_queue *q),
+)
 
-	TP_ARGS(q)
-#endif
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5,11,0))
+/**
+ * block_split - split a single bio struct into two bio structs
+ * @bio: block operation being split
+ * @new_sector: The starting sector for the new bio
+ *
+ * The bio request @bio needs to be split into two bio requests.  The newly
+ * created @bio request starts at @new_sector. This split may be required due to
+ * hardware limitations such as operation crossing device boundaries in a RAID
+ * system.
+ */
+LTTNG_TRACEPOINT_EVENT(block_split,
+
+	TP_PROTO(struct bio *bio, unsigned int new_sector),
+
+	TP_ARGS(bio, new_sector),
+
+	TP_FIELDS(
+		ctf_integer(dev_t, dev, bio_dev(bio))
+		ctf_integer(sector_t, sector, bio->bi_iter.bi_sector)
+		blk_rwbs_ctf_integer(unsigned int, rwbs,
+			lttng_bio_op(bio), lttng_bio_rw(bio),
+			bio->bi_iter.bi_size)
+		ctf_integer(sector_t, new_sector, new_sector)
+		ctf_integer(pid_t, tid, current->pid)
+		ctf_array_text(char, comm, current->comm, TASK_COMM_LEN)
+	)
 )
 
+#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(4,14,0))
 /**
  * block_split - split a single bio struct into two bio structs
  * @q: queue containing the bio
@@ -795,23 +1305,55 @@ LTTNG_TRACEPOINT_EVENT(block_split,
 
 	TP_ARGS(q, bio, new_sector),
 
+	TP_FIELDS(
+		ctf_integer(dev_t, dev, bio_dev(bio))
+		ctf_integer(sector_t, sector, bio->bi_iter.bi_sector)
+		blk_rwbs_ctf_integer(unsigned int, rwbs,
+			lttng_bio_op(bio), lttng_bio_rw(bio),
+			bio->bi_iter.bi_size)
+		ctf_integer(sector_t, new_sector, new_sector)
+		ctf_integer(pid_t, tid, current->pid)
+		ctf_array_text(char, comm, current->comm, TASK_COMM_LEN)
+	)
+)
+#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0))
+LTTNG_TRACEPOINT_EVENT(block_split,
+
+	TP_PROTO(struct request_queue *q, struct bio *bio,
+		 unsigned int new_sector),
+
+	TP_ARGS(q, bio, new_sector),
+
 	TP_FIELDS(
 		ctf_integer(dev_t, dev, bio->bi_bdev->bd_dev)
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0))
 		ctf_integer(sector_t, sector, bio->bi_iter.bi_sector)
 		blk_rwbs_ctf_integer(unsigned int, rwbs,
 			lttng_bio_op(bio), lttng_bio_rw(bio),
 			bio->bi_iter.bi_size)
-#else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */
+		ctf_integer(sector_t, new_sector, new_sector)
+		ctf_integer(pid_t, tid, current->pid)
+		ctf_array_text(char, comm, current->comm, TASK_COMM_LEN)
+	)
+)
+#else
+LTTNG_TRACEPOINT_EVENT(block_split,
+
+	TP_PROTO(struct request_queue *q, struct bio *bio,
+		 unsigned int new_sector),
+
+	TP_ARGS(q, bio, new_sector),
+
+	TP_FIELDS(
+		ctf_integer(dev_t, dev, bio->bi_bdev->bd_dev)
 		ctf_integer(sector_t, sector, bio->bi_sector)
 		blk_rwbs_ctf_integer(unsigned int, rwbs,
 			lttng_bio_op(bio), lttng_bio_rw(bio), bio->bi_size)
-#endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0)) */
 		ctf_integer(sector_t, new_sector, new_sector)
 		ctf_integer(pid_t, tid, current->pid)
 		ctf_array_text(char, comm, current->comm, TASK_COMM_LEN)
 	)
 )
+#endif
 
 /**
  * block_bio_remap - map request for a logical device to the raw device
@@ -823,11 +1365,7 @@ LTTNG_TRACEPOINT_EVENT(block_split,
  * An operation for a logical device has been mapped to the
  * raw block device.
  */
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,38))
 LTTNG_TRACEPOINT_EVENT(block_bio_remap,
-#else
-LTTNG_TRACEPOINT_EVENT(block_remap,
-#endif
 
 	TP_PROTO(struct request_queue *q, struct bio *bio, dev_t dev,
 		 sector_t from),
@@ -835,7 +1373,11 @@ LTTNG_TRACEPOINT_EVENT(block_remap,
 	TP_ARGS(q, bio, dev, from),
 
 	TP_FIELDS(
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,14,0))
+		ctf_integer(dev_t, dev, bio_dev(bio))
+#else
 		ctf_integer(dev_t, dev, bio->bi_bdev->bd_dev)
+#endif
 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,14,0))
 		ctf_integer(sector_t, sector, bio->bi_iter.bi_sector)
 		ctf_integer(unsigned int, nr_sector, bio_sectors(bio))
@@ -853,7 +1395,34 @@ LTTNG_TRACEPOINT_EVENT(block_remap,
 	)
 )
 
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,32))
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5,11,0))
+/**
+ * block_rq_remap - map request for a block operation request
+ * @rq: block IO operation request
+ * @dev: device for the operation
+ * @from: original sector for the operation
+ *
+ * The block operation request @rq in @q has been remapped.  The block
+ * operation request @rq holds the current information and @from hold
+ * the original sector.
+ */
+LTTNG_TRACEPOINT_EVENT(block_rq_remap,
+
+	TP_PROTO(struct request *rq, dev_t dev, sector_t from),
+
+	TP_ARGS(rq, dev, from),
+
+	TP_FIELDS(
+		ctf_integer(dev_t, dev, disk_devt(rq->rq_disk))
+		ctf_integer(sector_t, sector, blk_rq_pos(rq))
+		ctf_integer(unsigned int, nr_sector, blk_rq_sectors(rq))
+		ctf_integer(dev_t, old_dev, dev)
+		ctf_integer(sector_t, old_sector, from)
+		blk_rwbs_ctf_integer(unsigned int, rwbs,
+			lttng_req_op(rq), lttng_req_rw(rq), blk_rq_bytes(rq))
+	)
+)
+#else
 /**
  * block_rq_remap - map request for a block operation request
  * @q: queue holding the operation