linux-kernel - Re: [PATCH] vboxsf: Directly use ida

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Date:   Wed, 15 Jun 2022 21:34:44 +0200
From:   Hans de Goede <hdegoede@...hat.com>
To:     Bo Liu <liubo03@...pur.com>
Cc:     linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] vboxsf: Directly use ida_alloc()/free()

Hi,

On 6/15/22 08:29, Bo Liu wrote:
> Use ida_alloc()/ida_free() instead of
> ida_simple_get()/ida_simple_remove().
> The latter is deprecated and more verbose.
> 
> Signed-off-by: Bo Liu <liubo03@...pur.com>

Thanks, patch looks good to me:

Reviewed-by: Hans de Goede <hdegoede@...hat.com>

Regards,

Hans

> ---
>  fs/vboxsf/super.c | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/fs/vboxsf/super.c b/fs/vboxsf/super.c
> index d2f6df69f611..24ef7ddecf89 100644
> --- a/fs/vboxsf/super.c
> +++ b/fs/vboxsf/super.c
> @@ -155,7 +155,7 @@ static int vboxsf_fill_super(struct super_block *sb, struct fs_context *fc)
>  		}
>  	}
>  
> -	sbi->bdi_id = ida_simple_get(&vboxsf_bdi_ida, 0, 0, GFP_KERNEL);
> +	sbi->bdi_id = ida_alloc(&vboxsf_bdi_ida, GFP_KERNEL);
>  	if (sbi->bdi_id < 0) {
>  		err = sbi->bdi_id;
>  		goto fail_free;
> @@ -221,7 +221,7 @@ static int vboxsf_fill_super(struct super_block *sb, struct fs_context *fc)
>  	vboxsf_unmap_folder(sbi->root);
>  fail_free:
>  	if (sbi->bdi_id >= 0)
> -		ida_simple_remove(&vboxsf_bdi_ida, sbi->bdi_id);
> +		ida_free(&vboxsf_bdi_ida, sbi->bdi_id);
>  	if (sbi->nls)
>  		unload_nls(sbi->nls);
>  	idr_destroy(&sbi->ino_idr);
> @@ -268,7 +268,7 @@ static void vboxsf_put_super(struct super_block *sb)
>  
>  	vboxsf_unmap_folder(sbi->root);
>  	if (sbi->bdi_id >= 0)
> -		ida_simple_remove(&vboxsf_bdi_ida, sbi->bdi_id);
> +		ida_free(&vboxsf_bdi_ida, sbi->bdi_id);
>  	if (sbi->nls)
>  		unload_nls(sbi->nls);
>