diff options
| author | Christoph Hellwig <hch@lst.de> | 2025-05-05 10:11:25 +0200 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2025-05-05 13:22:39 -0600 |
| commit | eeadd68e2a5f6bfe0bf1038ec49e3a8d99eb5fe8 (patch) | |
| tree | 4db0814241216dff26f4175195a6a5971cd1ef65 /include/trace/events | |
| parent | a9437f6a1d8d0b3787fe6ff03d9aab4d3fe9b940 (diff) | |
block: remove bounce buffering support
The block layer bounce buffering support is unused now, remove it.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: John Garry <john.g.garry@oracle.com>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Link: https://lore.kernel.org/r/20250505081138.3435992-7-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'include/trace/events')
| -rw-r--r-- | include/trace/events/block.h | 15 |
1 files changed, 0 insertions, 15 deletions
diff --git a/include/trace/events/block.h b/include/trace/events/block.h index bd0ea07338eb..ad36e73b8579 100644 --- a/include/trace/events/block.h +++ b/include/trace/events/block.h @@ -361,21 +361,6 @@ DECLARE_EVENT_CLASS(block_bio, ); /** - * block_bio_bounce - used bounce buffer when processing block operation - * @bio: block operation - * - * A bounce buffer was used to handle the block operation @bio in @q. - * This occurs when hardware limitations prevent a direct transfer of - * data between the @bio data memory area and the IO device. Use of a - * bounce buffer requires extra copying of data and decreases - * performance. - */ -DEFINE_EVENT(block_bio, block_bio_bounce, - TP_PROTO(struct bio *bio), - TP_ARGS(bio) -); - -/** * block_bio_backmerge - merging block operation to the end of an existing operation * @bio: new block operation to merge * |