linux-kernel - RE: [PATCH] io_uring/rsrc: remove unused constants

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Message-ID: <d00aa2f3083b48189667355d938089ec@huawei.com>
Date: Wed, 19 Feb 2025 06:25:04 +0000
From: lizetao <lizetao1@...wei.com>
To: Caleb Sander Mateos <csander@...estorage.com>
CC: Jens Axboe <axboe@...nel.dk>, Pavel Begunkov <asml.silence@...il.com>,
	"io-uring@...r.kernel.org" <io-uring@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH] io_uring/rsrc: remove unused constants

Hi,

> -----Original Message-----
> From: Caleb Sander Mateos <csander@...estorage.com>
> Sent: Wednesday, February 19, 2025 11:35 AM
> To: Jens Axboe <axboe@...nel.dk>; Pavel Begunkov <asml.silence@...il.com>
> Cc: Caleb Sander Mateos <csander@...estorage.com>; io-
> uring@...r.kernel.org; linux-kernel@...r.kernel.org
> Subject: [PATCH] io_uring/rsrc: remove unused constants
> 
> IO_NODE_ALLOC_CACHE_MAX has been unused since commit fbbb8e991d86
> ("io_uring/rsrc: get rid of io_rsrc_node allocation cache") removed the
> rsrc_node_cache.
> 
> IO_RSRC_TAG_TABLE_SHIFT and IO_RSRC_TAG_TABLE_MASK have been
> unused since commit 7029acd8a950 ("io_uring/rsrc: get rid of per-ring
> io_rsrc_node list") removed the separate tag table for registered nodes.
> 
> Signed-off-by: Caleb Sander Mateos <csander@...estorage.com>
> ---
>  io_uring/rsrc.h | 6 ------
>  1 file changed, 6 deletions(-)
> 
> diff --git a/io_uring/rsrc.h b/io_uring/rsrc.h index
> a6d883c62b22..0297daf02ac7 100644
> --- a/io_uring/rsrc.h
> +++ b/io_uring/rsrc.h
> @@ -2,16 +2,10 @@
>  #ifndef IOU_RSRC_H
>  #define IOU_RSRC_H
> 
>  #include <linux/lockdep.h>
> 
> -#define IO_NODE_ALLOC_CACHE_MAX 32
> -
> -#define IO_RSRC_TAG_TABLE_SHIFT	(PAGE_SHIFT - 3)
> -#define IO_RSRC_TAG_TABLE_MAX	(1U << IO_RSRC_TAG_TABLE_SHIFT)
> -#define IO_RSRC_TAG_TABLE_MASK	(IO_RSRC_TAG_TABLE_MAX - 1)
> -
>  enum {
>  	IORING_RSRC_FILE		= 0,
>  	IORING_RSRC_BUFFER		= 1,
>  };
> 
> --
> 2.45.2
> 

Reviewed-by: Li Zetao <lizetao1@...wei.com>

---
Li Zetao