History

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

Mike Snitzer committed 16 years ago

Commit d07335e1 parent 5fbf8564 files · +16 −16Browse files

Unified · Split

4 files
  1. block/blk-core.c +5 −5
  2. drivers/md/dm.c +2 −2
  3. include/trace/events/block.h +3 −3
  4. kernel/trace/blktrace.c +6 −6
block/blk-core.c+5−5
@@ -33,7 +33,7 @@ · 32 unmodified lines
3333
3434 #include "blk.h"
3535
36−EXPORT_TRACEPOINT_SYMBOL_GPL(block_remap);
36+EXPORT_TRACEPOINT_SYMBOL_GPL(block_bio_remap);
3737 EXPORT_TRACEPOINT_SYMBOL_GPL(block_rq_remap);
3838 EXPORT_TRACEPOINT_SYMBOL_GPL(block_bio_complete);
3939
@@ -1329,9 +1329,9 @@ static inline void blk_partition_remap(struct bio *bio) · 1289 unmodified lines
13291329 bio->bi_sector += p->start_sect;
13301330 bio->bi_bdev = bdev->bd_contains;
13311331
1332− trace_block_remap(bdev_get_queue(bio->bi_bdev), bio,
1333− bdev->bd_dev,
1334− bio->bi_sector - p->start_sect);
1332+ trace_block_bio_remap(bdev_get_queue(bio->bi_bdev), bio,
1333+ bdev->bd_dev,
1334+ bio->bi_sector - p->start_sect);
13351335 }
13361336 }
13371337
@@ -1500,7 +1500,7 @@ static inline void __generic_make_request(struct bio *bio) · 162 unmodified lines
15001500 goto end_io;
15011501
15021502 if (old_sector != -1)
1503− trace_block_remap(q, bio, old_dev, old_sector);
1503+ trace_block_bio_remap(q, bio, old_dev, old_sector);
15041504
15051505 old_sector = bio->bi_sector;
15061506 old_dev = bio->bi_bdev->bd_dev;
drivers/md/dm.c+2−2
@@ -990,8 +990,8 @@ static void __map_bio(struct dm_target *ti, struct bio *clone, · 989 unmodified lines
990990 if (r == DM_MAPIO_REMAPPED) {
991991 /* the bio has been remapped so dispatch it */
992992
993− trace_block_remap(bdev_get_queue(clone->bi_bdev), clone,
994− tio->io->bio->bi_bdev->bd_dev, sector);
993+ trace_block_bio_remap(bdev_get_queue(clone->bi_bdev), clone,
994+ tio->io->bio->bi_bdev->bd_dev, sector);
995995
996996 generic_make_request(clone);
997997 } else if (r < 0 || r == DM_MAPIO_REQUEUE) {
include/trace/events/block.h+3−3
@@ -486,16 +486,16 @@ TRACE_EVENT(block_split, · 485 unmodified lines
486486 );
487487
488488 /**
489− * block_remap - map request for a partition to the raw device
489+ * block_bio_remap - map request for a logical device to the raw device
490490 * @q: queue holding the operation
491491 * @bio: revised operation
492492 * @dev: device for the operation
493493 * @from: original sector for the operation
494494 *
495− * An operation for a partition on a block device has been mapped to the
495+ * An operation for a logical device has been mapped to the
496496 * raw block device.
497497 */
498−TRACE_EVENT(block_remap,
498+TRACE_EVENT(block_bio_remap,
499499
500500 TP_PROTO(struct request_queue *q, struct bio *bio, dev_t dev,
501501 sector_t from),
kernel/trace/blktrace.c+6−6
@@ -887,7 +887,7 @@ static void blk_add_trace_split(void *ignore, · 886 unmodified lines
887887 }
888888
889889 /**
890− * blk_add_trace_remap - Add a trace for a remap operation
890+ * blk_add_trace_bio_remap - Add a trace for a bio-remap operation
891891 * @ignore: trace callback data parameter (not used)
892892 * @q: queue the io is for
893893 * @bio: the source bio
@@ -899,9 +899,9 @@ static void blk_add_trace_split(void *ignore, · 5 unmodified lines
899899 * it spans a stripe (or similar). Add a trace for that action.
900900 *
901901 **/
902−static void blk_add_trace_remap(void *ignore,
903− struct request_queue *q, struct bio *bio,
904− dev_t dev, sector_t from)
902+static void blk_add_trace_bio_remap(void *ignore,
903+ struct request_queue *q, struct bio *bio,
904+ dev_t dev, sector_t from)
905905 {
906906 struct blk_trace *bt = q->blk_trace;
907907 struct blk_io_trace_remap r;
@@ -1016,7 +1016,7 @@ static void blk_register_tracepoints(void) · 108 unmodified lines
10161016 WARN_ON(ret);
10171017 ret = register_trace_block_split(blk_add_trace_split, NULL);
10181018 WARN_ON(ret);
1019− ret = register_trace_block_remap(blk_add_trace_remap, NULL);
1019+ ret = register_trace_block_bio_remap(blk_add_trace_bio_remap, NULL);
10201020 WARN_ON(ret);
10211021 ret = register_trace_block_rq_remap(blk_add_trace_rq_remap, NULL);
10221022 WARN_ON(ret);
@@ -1025,7 +1025,7 @@ static void blk_register_tracepoints(void) · 2 unmodified lines
10251025 static void blk_unregister_tracepoints(void)
10261026 {
10271027 unregister_trace_block_rq_remap(blk_add_trace_rq_remap, NULL);
1028− unregister_trace_block_remap(blk_add_trace_remap, NULL);
1028+ unregister_trace_block_bio_remap(blk_add_trace_bio_remap, NULL);
10291029 unregister_trace_block_split(blk_add_trace_split, NULL);
10301030 unregister_trace_block_unplug_io(blk_add_trace_unplug_io, NULL);
10311031 unregister_trace_block_unplug_timer(blk_add_trace_unplug_timer, NULL);

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