X-Git-Url: https://git.liburcu.org/?a=blobdiff_plain;f=instrumentation%2Fevents%2Flttng-module%2Fblock.h;h=0dab9317cef6f729f310c0a7c45f9faf5fc0e836;hb=9f36eaed6f91d5897924b551b44d1edd8cee00e2;hp=6526d3db93e059c649518ca99cd97136a47b2d3d;hpb=7feabe53ccf316430ceb10986e718a638bd584c1;p=lttng-modules.git

diff --git a/instrumentation/events/lttng-module/block.h b/instrumentation/events/lttng-module/block.h
index 6526d3db..0dab9317 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
 
@@ -33,7 +34,8 @@ enum {
 
 #endif /* _TRACE_BLOCK_DEF_ */
 
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,8,0))
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,8,0) || \
+	LTTNG_SLE_KERNEL_RANGE(4,4,73,5,0,0, 4,4,114,92,0,0))
 
 #define lttng_req_op(rq)	req_op(rq)
 #define lttng_req_rw(rq)	((rq)->cmd_flags)
@@ -848,7 +850,7 @@ LTTNG_TRACEPOINT_EVENT_CLASS(block_get_rq,
 
 	TP_FIELDS(
 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,14,0))
-		ctf_integer(dev_t, dev, bio_dev(bio))
+		ctf_integer(dev_t, dev, bio ? bio_dev(bio) : 0)
 #else
 		ctf_integer(dev_t, dev, bio ? bio->bi_bdev->bd_dev : 0)
 #endif
@@ -877,7 +879,7 @@ 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
@@ -893,7 +895,7 @@ 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