diff options
author | Christoph Hellwig <hch@lst.de> | 2020-12-03 17:21:35 +0100 |
---|---|---|
committer | Jens Axboe <axboe@kernel.dk> | 2020-12-04 09:42:00 -0700 |
commit | b81b8f40c5b43dcb2ff473236baccc421706435f (patch) | |
tree | 1c69585c2f847c7cb52dd9340cde219d55ec409f /kernel/trace | |
parent | acaf523a7bf226b28504306c1cfee194520123b3 (diff) |
block: remove the unused block_sleeprq tracepoint
The block_sleeprq tracepoint was only used by the legacy request code.
Remove it now that the legacy request code is gone.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Damien Le Moal <damien.lemoal@wdc.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'kernel/trace')
-rw-r--r-- | kernel/trace/blktrace.c | 22 |
1 files changed, 0 insertions, 22 deletions
diff --git a/kernel/trace/blktrace.c b/kernel/trace/blktrace.c index a482a37848bf..ced589df304b 100644 --- a/kernel/trace/blktrace.c +++ b/kernel/trace/blktrace.c @@ -959,25 +959,6 @@ static void blk_add_trace_getrq(void *ignore, } } - -static void blk_add_trace_sleeprq(void *ignore, - struct request_queue *q, - struct bio *bio, int rw) -{ - if (bio) - blk_add_trace_bio(q, bio, BLK_TA_SLEEPRQ, 0); - else { - struct blk_trace *bt; - - rcu_read_lock(); - bt = rcu_dereference(q->blk_trace); - if (bt) - __blk_add_trace(bt, 0, 0, rw, 0, BLK_TA_SLEEPRQ, - 0, 0, NULL, 0); - rcu_read_unlock(); - } -} - static void blk_add_trace_plug(void *ignore, struct request_queue *q) { struct blk_trace *bt; @@ -1164,8 +1145,6 @@ static void blk_register_tracepoints(void) WARN_ON(ret); ret = register_trace_block_getrq(blk_add_trace_getrq, NULL); WARN_ON(ret); - ret = register_trace_block_sleeprq(blk_add_trace_sleeprq, NULL); - WARN_ON(ret); ret = register_trace_block_plug(blk_add_trace_plug, NULL); WARN_ON(ret); ret = register_trace_block_unplug(blk_add_trace_unplug, NULL); @@ -1185,7 +1164,6 @@ static void blk_unregister_tracepoints(void) unregister_trace_block_split(blk_add_trace_split, NULL); unregister_trace_block_unplug(blk_add_trace_unplug, NULL); unregister_trace_block_plug(blk_add_trace_plug, NULL); - unregister_trace_block_sleeprq(blk_add_trace_sleeprq, NULL); unregister_trace_block_getrq(blk_add_trace_getrq, NULL); unregister_trace_block_bio_queue(blk_add_trace_bio_queue, NULL); unregister_trace_block_bio_frontmerge(blk_add_trace_bio_frontmerge, NULL); |