From 120ae58593630819209a011a3f9c89f73bcc9894 Mon Sep 17 00:00:00 2001 From: Christian Brauner Date: Wed, 22 Nov 2023 13:48:24 +0100 Subject: eventfd: simplify eventfd_signal_mask() The eventfd_signal_mask() helper was introduced for io_uring and similar to eventfd_signal() it always passed 1 for @n. So don't bother with that argument at all. Link: https://lore.kernel.org/r/20231122-vfs-eventfd-signal-v2-3-bd549b14ce0c@kernel.org Reviewed-by: Jan Kara Reviewed-by: Jens Axboe Signed-off-by: Christian Brauner --- fs/eventfd.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) (limited to 'fs/eventfd.c') diff --git a/fs/eventfd.c b/fs/eventfd.c index d2f7d2d8a351..41109ba6bbe0 100644 --- a/fs/eventfd.c +++ b/fs/eventfd.c @@ -43,9 +43,10 @@ struct eventfd_ctx { int id; }; -__u64 eventfd_signal_mask(struct eventfd_ctx *ctx, __u64 n, __poll_t mask) +__u64 eventfd_signal_mask(struct eventfd_ctx *ctx, __poll_t mask) { unsigned long flags; + __u64 n = 1; /* * Deadlock or stack overflow issues can happen if we recurse here @@ -68,7 +69,7 @@ __u64 eventfd_signal_mask(struct eventfd_ctx *ctx, __u64 n, __poll_t mask) current->in_eventfd = 0; spin_unlock_irqrestore(&ctx->wqh.lock, flags); - return n; + return n == 1; } /** @@ -84,7 +85,7 @@ __u64 eventfd_signal_mask(struct eventfd_ctx *ctx, __u64 n, __poll_t mask) */ __u64 eventfd_signal(struct eventfd_ctx *ctx) { - return eventfd_signal_mask(ctx, 1, 0); + return eventfd_signal_mask(ctx, 0); } EXPORT_SYMBOL_GPL(eventfd_signal); -- cgit