Re: [PATCH v2 20/34] ocfs2: Convert ocfs2_read_blocks to bh_submit()

Jan Kara <[email protected]> Sat, 30 May 2026 13:48:02 +0200
Newsgroups dev.linux.lists.ocfs2-devel,org.kernel.vger.linux-fsdevel
Message-ID <asgua5rnwo3a2v2on7tecjjxss2vw5mxgnnccpcgkhowzvoaat@en3h2pufk3nw>
On Thu 28-05-26 18:31:33, Matthew Wilcox (Oracle) wrote:
> 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) <[email protected]>
> Reviewed-by: Joseph Qi <[email protected]>
> Cc: [email protected]

Looks good. Feel free to add:

Reviewed-by: Jan Kara <[email protected]>

								Honza

> ---
>  fs/ocfs2/buffer_head_io.c | 4 +---
>  1 file changed, 1 insertion(+), 3 deletions(-)
> 
> diff --git a/fs/ocfs2/buffer_head_io.c b/fs/ocfs2/buffer_head_io.c
> index 9edaeef5c4b9..185ff4dcba75 100644
> --- a/fs/ocfs2/buffer_head_io.c
> +++ b/fs/ocfs2/buffer_head_io.c
> @@ -319,11 +319,9 @@ int ocfs2_read_blocks(struct ocfs2_caching_info *ci, u64 block, int nr,
>  				continue;
>  			}
>  
> -			get_bh(bh); /* for end_buffer_read_sync() */
>  			if (validate)
>  				set_buffer_needs_validate(bh);
> -			bh->b_end_io = end_buffer_read_sync;
> -			submit_bh(REQ_OP_READ, bh);
> +			bh_submit(bh, REQ_OP_READ, bh_end_read);
>  			continue;
>  		}
>  	}
> -- 
> 2.47.3
> 
-- 
Jan Kara <[email protected]>
SUSE Labs, CR