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-rw-r--r--include/linux/blktrace_api.h12
1 files changed, 11 insertions, 1 deletions
diff --git a/include/linux/blktrace_api.h b/include/linux/blktrace_api.h
index 7b5d56b82b5..2e105a12fe2 100644
--- a/include/linux/blktrace_api.h
+++ b/include/linux/blktrace_api.h
@@ -142,10 +142,14 @@ struct blk_user_trace_setup {
u32 pid;
};
+#ifdef __KERNEL__
#if defined(CONFIG_BLK_DEV_IO_TRACE)
extern int blk_trace_ioctl(struct block_device *, unsigned, char __user *);
extern void blk_trace_shutdown(struct request_queue *);
extern void __blk_add_trace(struct blk_trace *, sector_t, int, int, u32, int, int, void *);
+extern int do_blk_trace_setup(struct request_queue *q,
+ struct block_device *bdev, struct blk_user_trace_setup *buts);
+
/**
* blk_add_trace_rq - Add a trace for a request oriented action
@@ -286,6 +290,12 @@ static inline void blk_add_trace_remap(struct request_queue *q, struct bio *bio,
#define blk_add_trace_generic(q, rq, rw, what) do { } while (0)
#define blk_add_trace_pdu_int(q, what, bio, pdu) do { } while (0)
#define blk_add_trace_remap(q, bio, dev, f, t) do {} while (0)
+static inline int do_blk_trace_setup(struct request_queue *q,
+ struct block_device *bdev,
+ struct blk_user_trace_setup *buts)
+{
+ return 0;
+}
#endif /* CONFIG_BLK_DEV_IO_TRACE */
-
+#endif /* __KERNEL__ */
#endif