*/
struct blk_io_trace_remap {
__be32 device;
- u32 __pad;
+ __be32 device_from;
__be64 sector;
};
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,
+ char *name, dev_t dev, struct blk_user_trace_setup *buts);
+
/**
* blk_add_trace_rq - Add a trace for a request oriented action
return;
r.device = cpu_to_be32(dev);
+ r.device_from = cpu_to_be32(bio->bi_bdev->bd_dev);
r.sector = cpu_to_be64(to);
__blk_add_trace(bt, from, bio->bi_size, bio->bi_rw, BLK_TA_REMAP, !bio_flagged(bio, BIO_UPTODATE), sizeof(r), &r);
}
+extern int blk_trace_setup(struct request_queue *q, char *name, dev_t dev,
+ char __user *arg);
+extern int blk_trace_startstop(struct request_queue *q, int start);
+extern int blk_trace_remove(struct request_queue *q);
+
#else /* !CONFIG_BLK_DEV_IO_TRACE */
#define blk_trace_ioctl(bdev, cmd, arg) (-ENOTTY)
#define blk_trace_shutdown(q) do { } while (0)
#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)
+#define do_blk_trace_setup(q, name, dev, buts) (-ENOTTY)
+#define blk_trace_setup(q, name, dev, arg) (-ENOTTY)
+#define blk_trace_startstop(q, start) (-ENOTTY)
+#define blk_trace_remove(q) (-ENOTTY)
#endif /* CONFIG_BLK_DEV_IO_TRACE */
-
+#endif /* __KERNEL__ */
#endif