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authorChristian Brauner <brauner@kernel.org>2023-11-22 13:48:24 +0100
committerChristian Brauner <brauner@kernel.org>2023-11-28 14:08:46 +0100
commit120ae58593630819209a011a3f9c89f73bcc9894 (patch)
tree34688daa5e226f01303534e6b6c9d8610e745bf4 /fs/eventfd.c
parenteventfd: simplify eventfd_signal() (diff)
downloadlinux-120ae58593630819209a011a3f9c89f73bcc9894.tar.xz
linux-120ae58593630819209a011a3f9c89f73bcc9894.zip
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 <jack@suse.cz> Reviewed-by: Jens Axboe <axboe@kernel.dk> Signed-off-by: Christian Brauner <brauner@kernel.org>
Diffstat (limited to 'fs/eventfd.c')
-rw-r--r--fs/eventfd.c7
1 files changed, 4 insertions, 3 deletions
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);