buffer: Convert __bh_read_batch 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) <willy@infradead.org>
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Link: https://patch.msgid.link/20260528173150.1093780-10-willy@infradead.org
Signed-off-by: Christian Brauner (Amutable) <brauner@kernel.org>

diff --git a/fs/buffer.c b/fs/buffer.c
index 97c8b99660605fa4c4b6e31d8b4fc20d1b7ace2d..d96320c18acb78654ee3d66ece9f29732ea6ecc6 100644 (file)
--- a/fs/buffer.c
+++ b/fs/buffer.c
@@ -3131,9 +3131,7 @@ void __bh_read_batch(int nr, struct buffer_head *bhs[],
                        continue;
                }
 
-               bh->b_end_io = end_buffer_read_sync;
-               get_bh(bh);
-               submit_bh(REQ_OP_READ | op_flags, bh);
+               bh_submit(bh, REQ_OP_READ | op_flags, bh_end_read);
        }
 }
 EXPORT_SYMBOL(__bh_read_batch);