Re: [PATCH] filelock: ignore 'lock' argument to for_each_file_lock()
From: Christian Brauner
Date: Mon Feb 12 2024 - 07:12:07 EST
On Mon, Feb 12, 2024 at 12:26:11PM +0100, Arnd Bergmann wrote:
> From: Arnd Bergmann <arnd@xxxxxxxx>
>
> When CONFIG_FILE_LOCKING is disabled, ceph causes a warning about
> a variable that is only used insode of the for_each_file_lock()
> loop:
>
> fs/ceph/locks.c: In function 'ceph_count_locks':
> fs/ceph/locks.c:380:27: error: unused variable 'lock' [-Werror=unused-variable]
> 380 | struct file_lock *lock;
>
> Rather than working around this in ceph, change the macro definition
> to still contain a reference to the variable in order to shut up the
> warning.
>
> Fixes: 75cabec0111b ("filelock: add some new helper functions")
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
> ---
Yup, seems good to me.