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authorSha Zhengju <handai.szj@taobao.com>2012-05-31 16:26:41 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2012-05-31 17:49:32 -0700
commitee62c6b2dc93c09585b51fad18449dc5edb9977f (patch)
tree538f5338f6a00d1a4cee9e69ba74082747a452aa /include/linux/eventfd.h
parentfs/nls: add Apple NLS (diff)
downloadlinux-dev-ee62c6b2dc93c09585b51fad18449dc5edb9977f.tar.xz
linux-dev-ee62c6b2dc93c09585b51fad18449dc5edb9977f.zip
eventfd: change int to __u64 in eventfd_signal()
eventfd_ctx->count is an __u64 counter which is allowed to reach ULLONG_MAX. eventfd_write() adds a __u64 value to "count", but the kernel side eventfd_signal() only adds an int value to it. Make them consistent. [akpm@linux-foundation.org: update interface documentation] Signed-off-by: Sha Zhengju <handai.szj@taobao.com> Cc: Davide Libenzi <davidel@xmailserver.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to '')
-rw-r--r--include/linux/eventfd.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/eventfd.h b/include/linux/eventfd.h
index 91bb4f27238c..3c3ef19a625a 100644
--- a/include/linux/eventfd.h
+++ b/include/linux/eventfd.h
@@ -34,7 +34,7 @@ void eventfd_ctx_put(struct eventfd_ctx *ctx);
struct file *eventfd_fget(int fd);
struct eventfd_ctx *eventfd_ctx_fdget(int fd);
struct eventfd_ctx *eventfd_ctx_fileget(struct file *file);
-int eventfd_signal(struct eventfd_ctx *ctx, int n);
+__u64 eventfd_signal(struct eventfd_ctx *ctx, __u64 n);
ssize_t eventfd_ctx_read(struct eventfd_ctx *ctx, int no_wait, __u64 *cnt);
int eventfd_ctx_remove_wait_queue(struct eventfd_ctx *ctx, wait_queue_t *wait,
__u64 *cnt);