From 8b7846fe5b27c11d883a05afe3481f39252a9e65 Mon Sep 17 00:00:00 2001 From: "Matthew Wilcox (Oracle)" Date: Thu, 28 May 2026 18:31:19 +0100 Subject: [PATCH] buffer: Convert __bread_slow to bh_submit() Avoid an extra indirect function call and changing the buffer refcount by using bh_submit() instead of submit_bh(). Signed-off-by: Matthew Wilcox (Oracle) Link: https://patch.msgid.link/20260528173150.1093780-7-willy@infradead.org Reviewed-by: Jan Kara Signed-off-by: Christian Brauner (Amutable) --- fs/buffer.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/fs/buffer.c b/fs/buffer.c index 6329f2b554da..f8428f802b68 100644 --- a/fs/buffer.c +++ b/fs/buffer.c @@ -1326,9 +1326,7 @@ static struct buffer_head *__bread_slow(struct buffer_head *bh) unlock_buffer(bh); return bh; } else { - get_bh(bh); - bh->b_end_io = end_buffer_read_sync; - submit_bh(REQ_OP_READ, bh); + bh_submit(bh, REQ_OP_READ, bh_end_read); wait_on_buffer(bh); if (buffer_uptodate(bh)) return bh;