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) Reviewed-by: Jan Kara --- fs/buffer.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/fs/buffer.c b/fs/buffer.c index deabf7479325..97c8b9966060 100644 --- a/fs/buffer.c +++ b/fs/buffer.c @@ -3089,9 +3089,7 @@ int __bh_read(struct buffer_head *bh, blk_opf_t op_flags, bool wait) BUG_ON(!buffer_locked(bh)); - get_bh(bh); - bh->b_end_io = end_buffer_read_sync; - submit_bh(REQ_OP_READ | op_flags, bh); + bh_submit(bh, REQ_OP_READ | op_flags, bh_end_read); if (wait) { wait_on_buffer(bh); if (!buffer_uptodate(bh)) -- 2.47.3