From eeadd68e2a5f6bfe0bf1038ec49e3a8d99eb5fe8 Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Mon, 5 May 2025 10:11:25 +0200 Subject: block: remove bounce buffering support The block layer bounce buffering support is unused now, remove it. Signed-off-by: Christoph Hellwig Reviewed-by: Hannes Reinecke Reviewed-by: John Garry Reviewed-by: Johannes Thumshirn Link: https://lore.kernel.org/r/20250505081138.3435992-7-hch@lst.de Signed-off-by: Jens Axboe --- include/trace/events/block.h | 15 --------------- 1 file changed, 15 deletions(-) (limited to 'include/trace') 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 @@ -360,21 +360,6 @@ DECLARE_EVENT_CLASS(block_bio, __entry->nr_sector, __entry->comm) ); -/** - * 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 -- cgit v1.2.3