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authorChristoph Hellwig <hch@lst.de>2018-03-05 07:23:51 -0800
committerChristoph Hellwig <hch@lst.de>2018-05-26 09:16:44 +0200
commit652fe8e87621d95a94edd25a08d5754abd878161 (patch)
tree8c0850cfe6b8cec1c5d644c19f10b2c4af93e438 /fs/timerfd.c
parent9e42f195f5b5cae4cf8ec71432c0fdaf641d1b73 (diff)
timerfd: convert to ->poll_mask
Signed-off-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'fs/timerfd.c')
-rw-r--r--fs/timerfd.c22
1 files changed, 11 insertions, 11 deletions
diff --git a/fs/timerfd.c b/fs/timerfd.c
index cdad49da3ff7..d84a2bee4f82 100644
--- a/fs/timerfd.c
+++ b/fs/timerfd.c
@@ -226,21 +226,20 @@ static int timerfd_release(struct inode *inode, struct file *file)
kfree_rcu(ctx, rcu);
return 0;
}
-
-static __poll_t timerfd_poll(struct file *file, poll_table *wait)
+
+static struct wait_queue_head *timerfd_get_poll_head(struct file *file,
+ __poll_t eventmask)
{
struct timerfd_ctx *ctx = file->private_data;
- __poll_t events = 0;
- unsigned long flags;
- poll_wait(file, &ctx->wqh, wait);
+ return &ctx->wqh;
+}
- spin_lock_irqsave(&ctx->wqh.lock, flags);
- if (ctx->ticks)
- events |= EPOLLIN;
- spin_unlock_irqrestore(&ctx->wqh.lock, flags);
+static __poll_t timerfd_poll_mask(struct file *file, __poll_t eventmask)
+{
+ struct timerfd_ctx *ctx = file->private_data;
- return events;
+ return ctx->ticks ? EPOLLIN : 0;
}
static ssize_t timerfd_read(struct file *file, char __user *buf, size_t count,
@@ -364,7 +363,8 @@ static long timerfd_ioctl(struct file *file, unsigned int cmd, unsigned long arg
static const struct file_operations timerfd_fops = {
.release = timerfd_release,
- .poll = timerfd_poll,
+ .get_poll_head = timerfd_get_poll_head,
+ .poll_mask = timerfd_poll_mask,
.read = timerfd_read,
.llseek = noop_llseek,
.show_fdinfo = timerfd_show,