lttng: Update max symbol length to 256

[Mathieu Desnoyers]

The user-space tracer, along with the control tools, now support longer
event name strings (up to 256 chars, including \0).

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers at efficios.com>
---
diff --git a/drivers/staging/lttng/ltt-debugfs-abi.h b/drivers/staging/lttng/ltt-debugfs-abi.h
index 42bc9fd..a018297 100644
--- a/drivers/staging/lttng/ltt-debugfs-abi.h
+++ b/drivers/staging/lttng/ltt-debugfs-abi.h
@@ -13,7 +13,7 @@
 
 #include <linux/fs.h>
 
-#define LTTNG_SYM_NAME_LEN	128
+#define LTTNG_SYM_NAME_LEN	256
 
 enum lttng_kernel_instrumentation {
 	LTTNG_KERNEL_TRACEPOINT	= 0,

-- 
Mathieu Desnoyers
Operating System Efficiency R&D Consultant
EfficiOS Inc.
http://www.efficios.com