Re: [PATCH -next] fsconfig: intercept for non-new mount API in advance for FSCONFIG_CMD_CREATE_EXCL

[Hongbo Li <lihongbo22@huawei.com>]

sorry, please ignore this, and I will revise my code.

On 2024/5/11 12:02, Hongbo Li wrote:
> fsconfig with FSCONFIG_CMD_CREATE_EXCL command requires the new mount api,
> here we should return -EOPNOTSUPP in advance to avoid extra procedure.
> 
> Signed-off-by: Hongbo Li <lihongbo22@huawei.com>
> ---
>   fs/fsopen.c | 5 +----
>   1 file changed, 1 insertion(+), 4 deletions(-)
> 
> diff --git a/fs/fsopen.c b/fs/fsopen.c
> index 6593ae518115..880eea7a30fd 100644
> --- a/fs/fsopen.c
> +++ b/fs/fsopen.c
> @@ -220,10 +220,6 @@ static int vfs_cmd_create(struct fs_context *fc, bool exclusive)
>   	if (!mount_capable(fc))
>   		return -EPERM;
>   
> -	/* require the new mount api */
> -	if (exclusive && fc->ops == &legacy_fs_context_ops)
> -		return -EOPNOTSUPP;
> -
>   	fc->phase = FS_CONTEXT_CREATING;
>   	fc->exclusive = exclusive;
>   
> @@ -411,6 +407,7 @@ SYSCALL_DEFINE5(fsconfig,
>   		case FSCONFIG_SET_PATH:
>   		case FSCONFIG_SET_PATH_EMPTY:
>   		case FSCONFIG_SET_FD:
> +		case FSCONFIG_CMD_CREATE_EXEC:
FSCONFIG_CMD_CREATE_EXCL
>   			ret = -EOPNOTSUPP;
>   			goto out_f;
>   		}