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Diffstat (limited to 'include/linux/blktrace_api.h')
-rw-r--r--include/linux/blktrace_api.h12
1 files changed, 10 insertions, 2 deletions
diff --git a/include/linux/blktrace_api.h b/include/linux/blktrace_api.h
index 7e11d23ac36a..cfc3147e5cf9 100644
--- a/include/linux/blktrace_api.h
+++ b/include/linux/blktrace_api.h
@@ -148,7 +148,7 @@ extern int blk_trace_ioctl(struct block_device *, unsigned, char __user *);
148extern void blk_trace_shutdown(struct request_queue *); 148extern void blk_trace_shutdown(struct request_queue *);
149extern void __blk_add_trace(struct blk_trace *, sector_t, int, int, u32, int, int, void *); 149extern void __blk_add_trace(struct blk_trace *, sector_t, int, int, u32, int, int, void *);
150extern int do_blk_trace_setup(struct request_queue *q, 150extern int do_blk_trace_setup(struct request_queue *q,
151 struct block_device *bdev, struct blk_user_trace_setup *buts); 151 char *name, dev_t dev, struct blk_user_trace_setup *buts);
152 152
153 153
154/** 154/**
@@ -282,6 +282,11 @@ static inline void blk_add_trace_remap(struct request_queue *q, struct bio *bio,
282 __blk_add_trace(bt, from, bio->bi_size, bio->bi_rw, BLK_TA_REMAP, !bio_flagged(bio, BIO_UPTODATE), sizeof(r), &r); 282 __blk_add_trace(bt, from, bio->bi_size, bio->bi_rw, BLK_TA_REMAP, !bio_flagged(bio, BIO_UPTODATE), sizeof(r), &r);
283} 283}
284 284
285extern int blk_trace_setup(struct request_queue *q, char *name, dev_t dev,
286 char __user *arg);
287extern int blk_trace_startstop(struct request_queue *q, int start);
288extern int blk_trace_remove(struct request_queue *q);
289
285#else /* !CONFIG_BLK_DEV_IO_TRACE */ 290#else /* !CONFIG_BLK_DEV_IO_TRACE */
286#define blk_trace_ioctl(bdev, cmd, arg) (-ENOTTY) 291#define blk_trace_ioctl(bdev, cmd, arg) (-ENOTTY)
287#define blk_trace_shutdown(q) do { } while (0) 292#define blk_trace_shutdown(q) do { } while (0)
@@ -290,7 +295,10 @@ static inline void blk_add_trace_remap(struct request_queue *q, struct bio *bio,
290#define blk_add_trace_generic(q, rq, rw, what) do { } while (0) 295#define blk_add_trace_generic(q, rq, rw, what) do { } while (0)
291#define blk_add_trace_pdu_int(q, what, bio, pdu) do { } while (0) 296#define blk_add_trace_pdu_int(q, what, bio, pdu) do { } while (0)
292#define blk_add_trace_remap(q, bio, dev, f, t) do {} while (0) 297#define blk_add_trace_remap(q, bio, dev, f, t) do {} while (0)
293#define do_blk_trace_setup(q, bdev, buts) (-ENOTTY) 298#define do_blk_trace_setup(q, name, dev, buts) (-ENOTTY)
299#define blk_trace_setup(q, name, dev, arg) (-ENOTTY)
300#define blk_trace_startstop(q, start) (-ENOTTY)
301#define blk_trace_remove(q) (-ENOTTY)
294#endif /* CONFIG_BLK_DEV_IO_TRACE */ 302#endif /* CONFIG_BLK_DEV_IO_TRACE */
295#endif /* __KERNEL__ */ 303#endif /* __KERNEL__ */
296#endif 304#endif