linux-kernel - Re: [PATCH 2/2] f2fs: remove batched_trim

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Date:   Tue, 25 Oct 2022 10:55:15 +0800
From:   Chao Yu <chao@...nel.org>
To:     Yangtao Li <frank.li@...o.com>, jaegeuk@...nel.org
Cc:     linux-f2fs-devel@...ts.sourceforge.net,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] f2fs: remove batched_trim_sections node

On 2022/10/21 23:38, Yangtao Li wrote:
> This testing sysfs node has been deprecated for a long time,
> let's remove it.

Can you please merge this patch w/

[PATCH 1/2] f2fs: fix to correct invalid batched_trim_sections node

> 
> Signed-off-by: Yangtao Li <frank.li@...o.com>
> ---
>   fs/f2fs/f2fs.h  | 3 ---
>   fs/f2fs/sysfs.c | 5 -----
>   2 files changed, 8 deletions(-)
> 
> diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
> index e6355a5683b7..9c480835adab 100644
> --- a/fs/f2fs/f2fs.h
> +++ b/fs/f2fs/f2fs.h
> @@ -1062,9 +1062,6 @@ struct f2fs_sm_info {
>   	/* a threshold to reclaim prefree segments */
>   	unsigned int rec_prefree_segments;
>   
> -	/* for batched trimming */
> -	unsigned int trim_sections;		/* # of sections to trim */
> -
>   	struct list_head sit_entry_set;	/* sit entry set list */
>   
>   	unsigned int ipu_policy;	/* in-place-update policy */
> diff --git a/fs/f2fs/sysfs.c b/fs/f2fs/sysfs.c
> index 3005e2783a25..926b7a844362 100644
> --- a/fs/f2fs/sysfs.c
> +++ b/fs/f2fs/sysfs.c
> @@ -488,9 +488,6 @@ static ssize_t __sbi_store(struct f2fs_attr *a,
>   			return -EINVAL;
>   	}
>   
> -	if (!strcmp(a->attr.name, "batched_trim_sections"))
> -		return -EINVAL;
> -
>   	if (!strcmp(a->attr.name, "gc_urgent")) {
>   		if (t == 0) {
>   			sbi->gc_mode = GC_NORMAL;
> @@ -790,7 +787,6 @@ F2FS_RW_ATTR(DCC_INFO, discard_cmd_control, mid_discard_issue_time, mid_discard_
>   F2FS_RW_ATTR(DCC_INFO, discard_cmd_control, max_discard_issue_time, max_discard_issue_time);
>   F2FS_RW_ATTR(DCC_INFO, discard_cmd_control, discard_granularity, discard_granularity);
>   F2FS_RW_ATTR(RESERVED_BLOCKS, f2fs_sb_info, reserved_blocks, reserved_blocks);
> -F2FS_RW_ATTR(SM_INFO, f2fs_sm_info, batched_trim_sections, trim_sections);
>   F2FS_RW_ATTR(SM_INFO, f2fs_sm_info, ipu_policy, ipu_policy);
>   F2FS_RW_ATTR(SM_INFO, f2fs_sm_info, min_ipu_util, min_ipu_util);
>   F2FS_RW_ATTR(SM_INFO, f2fs_sm_info, min_fsync_blocks, min_fsync_blocks);
> @@ -919,7 +915,6 @@ static struct attribute *f2fs_attrs[] = {
>   	ATTR_LIST(max_discard_issue_time),
>   	ATTR_LIST(discard_granularity),
>   	ATTR_LIST(pending_discard),
> -	ATTR_LIST(batched_trim_sections),
>   	ATTR_LIST(ipu_policy),
>   	ATTR_LIST(min_ipu_util),
>   	ATTR_LIST(min_fsync_blocks),