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SubjectRe: [PATCH rcu v2 09/20] fs: Remove CONFIG_SRCU
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On Thu, 2023-01-12 at 16:11 -0800, Paul E. McKenney wrote:
> Now that the SRCU Kconfig option is unconditionally selected, there is
> no longer any point in conditional compilation based on CONFIG_SRCU.
> Therefore, remove the #ifdef and throw away the #else clause.
>
> Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
> Cc: Jeff Layton <jlayton@kernel.org>
> Cc: Chuck Lever <chuck.lever@oracle.com>
> Cc: Alexander Viro <viro@zeniv.linux.org.uk>
> Cc: <linux-fsdevel@vger.kernel.org>
> Reviewed-by: John Ogness <john.ogness@linutronix.de>
> ---
> fs/locks.c | 25 -------------------------
> 1 file changed, 25 deletions(-)
>
> diff --git a/fs/locks.c b/fs/locks.c
> index 8f01bee177159..1909a9de242c8 100644
> --- a/fs/locks.c
> +++ b/fs/locks.c
> @@ -1889,7 +1889,6 @@ int generic_setlease(struct file *filp, long arg, struct file_lock **flp,
> }
> EXPORT_SYMBOL(generic_setlease);
>
> -#if IS_ENABLED(CONFIG_SRCU)
> /*
> * Kernel subsystems can register to be notified on any attempt to set
> * a new lease with the lease_notifier_chain. This is used by (e.g.) nfsd
> @@ -1923,30 +1922,6 @@ void lease_unregister_notifier(struct notifier_block *nb)
> }
> EXPORT_SYMBOL_GPL(lease_unregister_notifier);
>
> -#else /* !IS_ENABLED(CONFIG_SRCU) */
> -static inline void
> -lease_notifier_chain_init(void)
> -{
> -}
> -
> -static inline void
> -setlease_notifier(long arg, struct file_lock *lease)
> -{
> -}
> -
> -int lease_register_notifier(struct notifier_block *nb)
> -{
> - return 0;
> -}
> -EXPORT_SYMBOL_GPL(lease_register_notifier);
> -
> -void lease_unregister_notifier(struct notifier_block *nb)
> -{
> -}
> -EXPORT_SYMBOL_GPL(lease_unregister_notifier);
> -
> -#endif /* IS_ENABLED(CONFIG_SRCU) */
> -
> /**
> * vfs_setlease - sets a lease on an open file
> * @filp: file pointer

Reviewed-by: Jeff Layton <jlayton@kernel.org>

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