The patch titled
epoll keyed wakeups: make eventfd use keyed wakeups
has been added to the -mm tree. Its filename is
epoll-keyed-wakeups-v2-make-eventfd-use-keyed-wakeups.patch
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------------------------------------------------------
Subject: epoll keyed wakeups: make eventfd use keyed wakeups
From: Davide Libenzi <davidel@xxxxxxxxxxxxxxx>
Introduce keyed event wakeups inside the eventfd code.
Signed-off-by: Davide Libenzi <davidel@xxxxxxxxxxxxxxx>
Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Cc: Alan Cox <alan@xxxxxxxxxxxxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxx>
Cc: David Miller <davem@xxxxxxxxxxxxx>
Cc: William Lee Irwin III <wli@xxxxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
fs/eventfd.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff -puN fs/eventfd.c~epoll-keyed-wakeups-v2-make-eventfd-use-keyed-wakeups fs/eventfd.c
--- a/fs/eventfd.c~epoll-keyed-wakeups-v2-make-eventfd-use-keyed-wakeups
+++ a/fs/eventfd.c
@@ -50,7 +50,7 @@ int eventfd_signal(struct file *file, in
n = (int) (ULLONG_MAX - ctx->count);
ctx->count += n;
if (waitqueue_active(&ctx->wqh))
- wake_up_locked(&ctx->wqh);
+ wake_up_locked_poll(&ctx->wqh, POLLIN);
spin_unlock_irqrestore(&ctx->wqh.lock, flags);
return n;
@@ -120,7 +120,7 @@ static ssize_t eventfd_read(struct file
if (res > 0) {
ctx->count = 0;
if (waitqueue_active(&ctx->wqh))
- wake_up_locked(&ctx->wqh);
+ wake_up_locked_poll(&ctx->wqh, POLLOUT);
}
spin_unlock_irq(&ctx->wqh.lock);
if (res > 0 && put_user(ucnt, (__u64 __user *) buf))
@@ -169,7 +169,7 @@ static ssize_t eventfd_write(struct file
if (res > 0) {
ctx->count += ucnt;
if (waitqueue_active(&ctx->wqh))
- wake_up_locked(&ctx->wqh);
+ wake_up_locked_poll(&ctx->wqh, POLLIN);
}
spin_unlock_irq(&ctx->wqh.lock);
_
Patches currently in -mm which might be from davidel@xxxxxxxxxxxxxxx are
origin.patch
linux-next.patch
epoll-fix-own-poll.patch
epoll-fix-epolls-own-poll-update.patch
epoll-remove-debugging-code.patch
epoll-keyed-wakeups-v2-add-__wake_up_locked_key-and-__wake_up_sync_key.patch
epoll-keyed-wakeups-v2-introduce-new-_poll-wakeup-macros.patch
epoll-keyed-wakeups-v2-make-sockets-use-keyed-wakeups.patch
epoll-keyed-wakeups-v2-teach-epoll-about-hints-coming-with-the-wakeup-key.patch
epoll-keyed-wakeups-v2-make-eventfd-use-keyed-wakeups.patch
epoll-keyed-wakeups-v2-make-tty-use-keyed-wakeups.patch
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