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block: Rename "block_remap" tracepoint to "block_bio_remap" to clarify the event.

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Signed-off-by: Kiyoshi Ueda <k-ueda@ct.jp.nec.com>
Signed-off-by: Jun'ichi Nomura <j-nomura@ce.jp.nec.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
This commit is contained in:
Mike Snitzer 2010-11-16 12:52:38 +01:00 committed by Jens Axboe
parent 5fbf856392
commit d07335e51d
4 changed files with 16 additions and 16 deletions
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10
block/blk-core.c
View File

@ -33,7 +33,7 @@
#include "blk.h"
EXPORT_TRACEPOINT_SYMBOL_GPL(block_remap);
EXPORT_TRACEPOINT_SYMBOL_GPL(block_bio_remap);
EXPORT_TRACEPOINT_SYMBOL_GPL(block_rq_remap);
EXPORT_TRACEPOINT_SYMBOL_GPL(block_bio_complete);
@ -1329,9 +1329,9 @@ static inline void blk_partition_remap(struct bio *bio)
bio->bi_sector += p->start_sect;
bio->bi_bdev = bdev->bd_contains;
trace_block_remap(bdev_get_queue(bio->bi_bdev), bio,
bdev->bd_dev,
bio->bi_sector - p->start_sect);
trace_block_bio_remap(bdev_get_queue(bio->bi_bdev), bio,
bdev->bd_dev,
bio->bi_sector - p->start_sect);
}
}
@ -1500,7 +1500,7 @@ static inline void __generic_make_request(struct bio *bio)
goto end_io;
if (old_sector != -1)
trace_block_remap(q, bio, old_dev, old_sector);
trace_block_bio_remap(q, bio, old_dev, old_sector);
old_sector = bio->bi_sector;
old_dev = bio->bi_bdev->bd_dev;

4
drivers/md/dm.c
View File

@ -990,8 +990,8 @@ static void __map_bio(struct dm_target *ti, struct bio *clone,
if (r == DM_MAPIO_REMAPPED) {
/* the bio has been remapped so dispatch it */
trace_block_remap(bdev_get_queue(clone->bi_bdev), clone,
tio->io->bio->bi_bdev->bd_dev, sector);
trace_block_bio_remap(bdev_get_queue(clone->bi_bdev), clone,
tio->io->bio->bi_bdev->bd_dev, sector);
generic_make_request(clone);
} else if (r < 0 || r == DM_MAPIO_REQUEUE) {

6
include/trace/events/block.h
View File

@ -486,16 +486,16 @@ TRACE_EVENT(block_split,
);
/**
* block_remap - map request for a partition to the raw device
* block_bio_remap - map request for a logical device to the raw device
* @q: queue holding the operation
* @bio: revised operation
* @dev: device for the operation
* @from: original sector for the operation
*
* An operation for a partition on a block device has been mapped to the
* An operation for a logical device has been mapped to the
* raw block device.
*/
TRACE_EVENT(block_remap,
TRACE_EVENT(block_bio_remap,
TP_PROTO(struct request_queue *q, struct bio *bio, dev_t dev,
sector_t from),

12
kernel/trace/blktrace.c
View File

@ -887,7 +887,7 @@ static void blk_add_trace_split(void *ignore,
}
/**
* blk_add_trace_remap - Add a trace for a remap operation
* blk_add_trace_bio_remap - Add a trace for a bio-remap operation
* @ignore: trace callback data parameter (not used)
* @q: queue the io is for
* @bio: the source bio
@ -899,9 +899,9 @@ static void blk_add_trace_split(void *ignore,
* it spans a stripe (or similar). Add a trace for that action.
*
**/
static void blk_add_trace_remap(void *ignore,
struct request_queue *q, struct bio *bio,
dev_t dev, sector_t from)
static void blk_add_trace_bio_remap(void *ignore,
struct request_queue *q, struct bio *bio,
dev_t dev, sector_t from)
{
struct blk_trace *bt = q->blk_trace;
struct blk_io_trace_remap r;
@ -1016,7 +1016,7 @@ static void blk_register_tracepoints(void)
WARN_ON(ret);
ret = register_trace_block_split(blk_add_trace_split, NULL);
WARN_ON(ret);
ret = register_trace_block_remap(blk_add_trace_remap, NULL);
ret = register_trace_block_bio_remap(blk_add_trace_bio_remap, NULL);
WARN_ON(ret);
ret = register_trace_block_rq_remap(blk_add_trace_rq_remap, NULL);
WARN_ON(ret);
@ -1025,7 +1025,7 @@ static void blk_register_tracepoints(void)
static void blk_unregister_tracepoints(void)
{
unregister_trace_block_rq_remap(blk_add_trace_rq_remap, NULL);
unregister_trace_block_remap(blk_add_trace_remap, NULL);
unregister_trace_block_bio_remap(blk_add_trace_bio_remap, NULL);
unregister_trace_block_split(blk_add_trace_split, NULL);
unregister_trace_block_unplug_io(blk_add_trace_unplug_io, NULL);
unregister_trace_block_unplug_timer(blk_add_trace_unplug_timer, NULL);