[LTP] [PATCH v2 1/5] fanotify20: Skip FAN_REPORT_PIDFD | FAN_REPORT_TID test on v7.2+

[Jan Kara]

On Wed 17-06-26 05:04:44, AnonymeMeow wrote:
> fanotify_init() used to reject FAN_REPORT_PIDFD combined with
> FAN_REPORT_TID with EINVAL. Since Linux v7.2, fanotify supports
> reporting pidfds for thread IDs, so this combination is expected to
> succeed.
> 
> Signed-off-by: AnonymeMeow <anonymemeow@gmail.com>

Looks good. Feel free to add:

Reviewed-by: Jan Kara <jack@suse.cz>

								Honza

> ---
>  testcases/kernel/syscalls/fanotify/fanotify20.c | 14 ++++++++++----
>  1 file changed, 10 insertions(+), 4 deletions(-)
> 
> diff --git a/testcases/kernel/syscalls/fanotify/fanotify20.c b/testcases/kernel/syscalls/fanotify/fanotify20.c
> index b32ecf6aa..f395d77ee 100644
> --- a/testcases/kernel/syscalls/fanotify/fanotify20.c
> +++ b/testcases/kernel/syscalls/fanotify/fanotify20.c
> @@ -8,13 +8,15 @@
>  
>  /*\
>   * This source file contains a test case which ensures that the
> - * :manpage:`fanotify(7)` API returns an expected error code when provided an
> - * invalid initialization flag alongside FAN_REPORT_PIDFD. Additionally, it
> - * checks that the operability with existing FAN_REPORT_* flags is maintained
> - * and functioning as intended.
> + * :manpage:`fanotify(7)` API returns an expected error code when provided
> + * unsupported initialization flags, e.g. FAN_REPORT_PIDFD combined with
> + * FAN_REPORT_TID. Additionally, it checks that the operability with
> + * supported FAN_REPORT_* flags is maintained and functioning as intended.
>   *
>   * NOTE: FAN_REPORT_PIDFD support was added in v5.15-rc1 in
>   * af579beb666a ("fanotify: add pidfd support to the fanotify API").
> + * FAN_REPORT_PIDFD combined with FAN_REPORT_TID is supported since v7.2-rc1
> + * in 17171128513b ("fanotify: report thread pidfds for FAN_REPORT_TID").
>   */
>  
>  #define _GNU_SOURCE
> @@ -45,6 +47,10 @@ static struct test_case_t {
>  
>  static void do_setup(void)
>  {
> +	if (tst_kvercmp(7, 2, 0) >= 0)
> +		tst_brk(TCONF, "FAN_REPORT_PIDFD | FAN_REPORT_TID is supported "
> +			       "since v7.2, skipping test");
> +
>  	/*
>  	 * An explicit check for FAN_REPORT_PIDFD is performed early on in the
>  	 * test initialization as it's a prerequisite for all test cases.
> -- 
> 2.54.0
> 
-- 
Jan Kara <jack@suse.com>
SUSE Labs, CR