Fix: blktrace instrumentation for backported branches
authorAntoine Busque <antoine.busque@efficios.com>
Sat, 7 Jun 2014 16:27:21 +0000 (12:27 -0400)
committerMathieu Desnoyers <mathieu.desnoyers@efficios.com>
Sun, 8 Jun 2014 12:46:20 +0000 (08:46 -0400)
The following commit from kernel 3.15 changing the API of a block layer
tracepoint has been backported to multiple branches:

commit af5040da01ef980670b3741b3e10733ee3e33566
Author: Roman Pen <r.peniaev@gmail.com>
Date:   Tue Mar 4 23:13:10 2014 +0900

    blktrace: fix accounting of partially completed requests

This patch fixes the resulting build failure by adding the proper
version checks. The versions and corresponding commit SHA-1 hashes are
as follow:

   3.2.58
       commit 5b85afa68e4f56c27f1d5c6f49e5257bce6448e6

   3.4.91
       commit 14eee5bd065d6aac0acbdc6092a25ba68c55b9c8

   3.10.41
       commit e9d933941569c107e0083c3c115467c699a57db2

   3.12.21
       commit 5104b40a981d26212ced149fbd43ad0b6b72910b

   3.14.15
       commit 0a8eda9c00ef37e8b40de77f2b0714317191bcf2

Signed-off-by: Antoine Busque <antoine.busque@efficios.com>
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
instrumentation/events/lttng-module/block.h

index e3e6b4cef1236237375d60713429af7235eef9e9..9d3de7d903a8167dc7694554c7eb109962ceb08c 100644 (file)
@@ -221,7 +221,10 @@ DEFINE_EVENT(block_rq_with_error, block_rq_requeue,
        TP_ARGS(q, rq)
 )
 
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,15,0)      \
+#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, 3,5,1)            \
        || LTTNG_KERNEL_RANGE(3,2,58, 3,3,0))
 
 /**
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