| blktrace.c (a02056349cdea2252cd2b21643ebf025e83a29f2) | blktrace.c (d07335e51df0c6dec202d315fc4f1f7e100eec4e) |
|---|---|
| 1/* 2 * Copyright (C) 2006 Jens Axboe <axboe@kernel.dk> 3 * 4 * This program is free software; you can redistribute it and/or modify 5 * it under the terms of the GNU General Public License version 2 as 6 * published by the Free Software Foundation. 7 * 8 * This program is distributed in the hope that it will be useful, --- 873 unchanged lines hidden (view full) --- 882 883 __blk_add_trace(bt, bio->bi_sector, bio->bi_size, bio->bi_rw, 884 BLK_TA_SPLIT, !bio_flagged(bio, BIO_UPTODATE), 885 sizeof(rpdu), &rpdu); 886 } 887} 888 889/** | 1/* 2 * Copyright (C) 2006 Jens Axboe <axboe@kernel.dk> 3 * 4 * This program is free software; you can redistribute it and/or modify 5 * it under the terms of the GNU General Public License version 2 as 6 * published by the Free Software Foundation. 7 * 8 * This program is distributed in the hope that it will be useful, --- 873 unchanged lines hidden (view full) --- 882 883 __blk_add_trace(bt, bio->bi_sector, bio->bi_size, bio->bi_rw, 884 BLK_TA_SPLIT, !bio_flagged(bio, BIO_UPTODATE), 885 sizeof(rpdu), &rpdu); 886 } 887} 888 889/** |
| 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 |
| 891 * @ignore: trace callback data parameter (not used) 892 * @q: queue the io is for 893 * @bio: the source bio 894 * @dev: target device 895 * @from: source sector 896 * 897 * Description: 898 * Device mapper or raid target sometimes need to split a bio because 899 * it spans a stripe (or similar). Add a trace for that action. 900 * 901 **/ | 891 * @ignore: trace callback data parameter (not used) 892 * @q: queue the io is for 893 * @bio: the source bio 894 * @dev: target device 895 * @from: source sector 896 * 897 * Description: 898 * Device mapper or raid target sometimes need to split a bio because 899 * it spans a stripe (or similar). Add a trace for that action. 900 * 901 **/ |
| 902static void blk_add_trace_remap(void *ignore, 903 struct request_queue *q, struct bio *bio, 904 dev_t dev, sector_t from) | 902static void blk_add_trace_bio_remap(void *ignore, 903 struct request_queue *q, struct bio *bio, 904 dev_t dev, sector_t from) |
| 905{ 906 struct blk_trace *bt = q->blk_trace; 907 struct blk_io_trace_remap r; 908 909 if (likely(!bt)) 910 return; 911 912 r.device_from = cpu_to_be32(dev); --- 98 unchanged lines hidden (view full) --- 1011 ret = register_trace_block_plug(blk_add_trace_plug, NULL); 1012 WARN_ON(ret); 1013 ret = register_trace_block_unplug_timer(blk_add_trace_unplug_timer, NULL); 1014 WARN_ON(ret); 1015 ret = register_trace_block_unplug_io(blk_add_trace_unplug_io, NULL); 1016 WARN_ON(ret); 1017 ret = register_trace_block_split(blk_add_trace_split, NULL); 1018 WARN_ON(ret); | 905{ 906 struct blk_trace *bt = q->blk_trace; 907 struct blk_io_trace_remap r; 908 909 if (likely(!bt)) 910 return; 911 912 r.device_from = cpu_to_be32(dev); --- 98 unchanged lines hidden (view full) --- 1011 ret = register_trace_block_plug(blk_add_trace_plug, NULL); 1012 WARN_ON(ret); 1013 ret = register_trace_block_unplug_timer(blk_add_trace_unplug_timer, NULL); 1014 WARN_ON(ret); 1015 ret = register_trace_block_unplug_io(blk_add_trace_unplug_io, NULL); 1016 WARN_ON(ret); 1017 ret = register_trace_block_split(blk_add_trace_split, NULL); 1018 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); |
| 1020 WARN_ON(ret); 1021 ret = register_trace_block_rq_remap(blk_add_trace_rq_remap, NULL); 1022 WARN_ON(ret); 1023} 1024 1025static void blk_unregister_tracepoints(void) 1026{ 1027 unregister_trace_block_rq_remap(blk_add_trace_rq_remap, NULL); | 1020 WARN_ON(ret); 1021 ret = register_trace_block_rq_remap(blk_add_trace_rq_remap, NULL); 1022 WARN_ON(ret); 1023} 1024 1025static void blk_unregister_tracepoints(void) 1026{ 1027 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); |
| 1029 unregister_trace_block_split(blk_add_trace_split, NULL); 1030 unregister_trace_block_unplug_io(blk_add_trace_unplug_io, NULL); 1031 unregister_trace_block_unplug_timer(blk_add_trace_unplug_timer, NULL); 1032 unregister_trace_block_plug(blk_add_trace_plug, NULL); 1033 unregister_trace_block_sleeprq(blk_add_trace_sleeprq, NULL); 1034 unregister_trace_block_getrq(blk_add_trace_getrq, NULL); 1035 unregister_trace_block_bio_queue(blk_add_trace_bio_queue, NULL); 1036 unregister_trace_block_bio_frontmerge(blk_add_trace_bio_frontmerge, NULL); --- 799 unchanged lines hidden --- | 1029 unregister_trace_block_split(blk_add_trace_split, NULL); 1030 unregister_trace_block_unplug_io(blk_add_trace_unplug_io, NULL); 1031 unregister_trace_block_unplug_timer(blk_add_trace_unplug_timer, NULL); 1032 unregister_trace_block_plug(blk_add_trace_plug, NULL); 1033 unregister_trace_block_sleeprq(blk_add_trace_sleeprq, NULL); 1034 unregister_trace_block_getrq(blk_add_trace_getrq, NULL); 1035 unregister_trace_block_bio_queue(blk_add_trace_bio_queue, NULL); 1036 unregister_trace_block_bio_frontmerge(blk_add_trace_bio_frontmerge, NULL); --- 799 unchanged lines hidden --- |