fix: backport of block_bio_complete for <= v2.6.38

[lttng-modules.git] / instrumentation / events / lttng-module / block.h

diff --git a/instrumentation/events/lttng-module/block.h b/instrumentation/events/lttng-module/block.h
index d632b92eb187c50809c343f34a4f8d1dc6acd5e3..410c9b7d18f920204ccc5c88d62ba7218534afc2 100644 (file)
--- a/instrumentation/events/lttng-module/block.h
+++ b/instrumentation/events/lttng-module/block.h
@@ -35,7 +35,13 @@ enum {
 #endif /* _TRACE_BLOCK_DEF_ */
 
 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,8,0) || \
-       LTTNG_SLE_KERNEL_RANGE(4,4,73,5,0,0, 4,4,103,92,0,0))
+       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)
@@ -636,6 +642,8 @@ LTTNG_TRACEPOINT_EVENT(block_bio_bounce,
        )
 )
 
+
+#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
@@ -647,42 +655,123 @@ LTTNG_TRACEPOINT_EVENT(block_bio_bounce,
  */
 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(
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,14,0))
                ctf_integer(dev_t, dev, bio_dev(bio))
-#else
+               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)
-#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))
                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)) */
+       )
+)
+#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,38))
+/**
+ * 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)
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,38))
                ctf_integer(int, error, error)
+               blk_rwbs_ctf_integer(unsigned int, rwbs,
+                       lttng_bio_op(bio), lttng_bio_rw(bio), bio->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),
+
+       TP_ARGS(q, 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)
                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)) */
        )
 )
+#endif
 
 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,9,0))
 LTTNG_TRACEPOINT_EVENT_CLASS(block_bio_merge,