Re: [PATCH v2] eventfd: use wait_event_interruptible_locked_irq() helper

[Eric Biggers <ebiggers@kernel.org>]

On Fri, Feb 17, 2023 at 02:29:48AM +0800, wenyang.linux@foxmail.com wrote:
> From: Wen Yang <wenyang.linux@foxmail.com>
> 
> wait_event_interruptible_locked_irq was introduced by commit 22c43c81a51e
> ("wait_event_interruptible_locked() interface"), but older code such as
> eventfd_{write,read} still uses the open code implementation.
> Inspired by commit 8120a8aadb20
> ("fs/timerfd.c: make use of wait_event_interruptible_locked_irq()"), this
> patch replaces the open code implementation with a single macro call.
> 
> No functional change intended.
> 
> Signed-off-by: Wen Yang <wenyang.linux@foxmail.com>
> Cc: Alexander Viro <viro@zeniv.linux.org.uk>
> Cc: Christoph Hellwig <hch@lst.de>
> Cc: Dylan Yudaken <dylany@fb.com>
> Cc: Jens Axboe <axboe@kernel.dk>
> Cc: David Woodhouse <dwmw@amazon.co.uk>
> Cc: Fu Wei <wefu@redhat.com>
> Cc: Paolo Bonzini <pbonzini@redhat.com>
> Cc: Michal Nazarewicz <m.nazarewicz@samsung.com>
> Cc: Matthew Wilcox <willy@infradead.org>
> Cc: linux-fsdevel@vger.kernel.org
> Cc: linux-kernel@vger.kernel.org
> ---
>  fs/eventfd.c | 41 +++++++----------------------------------
>  1 file changed, 7 insertions(+), 34 deletions(-)

Reviewed-by: Eric Biggers <ebiggers@google.com>

- Eric