diff options
Diffstat (limited to 'include/linux/blktrace_api.h')
| -rw-r--r-- | include/linux/blktrace_api.h | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/include/linux/blktrace_api.h b/include/linux/blktrace_api.h index 3680ff9a30e..7e11d23ac36 100644 --- a/include/linux/blktrace_api.h +++ b/include/linux/blktrace_api.h @@ -105,7 +105,7 @@ struct blk_io_trace { */ struct blk_io_trace_remap { __be32 device; - u32 __pad; + __be32 device_from; __be64 sector; }; @@ -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(request_queue_t *); +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 @@ -272,6 +276,7 @@ static inline void blk_add_trace_remap(struct request_queue *q, struct bio *bio, 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); @@ -285,6 +290,7 @@ 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) +#define do_blk_trace_setup(q, bdev, buts) (-ENOTTY) #endif /* CONFIG_BLK_DEV_IO_TRACE */ - +#endif /* __KERNEL__ */ #endif |