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| author | Christoph Hellwig <hch@lst.de> | 2017-12-31 16:42:48 +0100 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2018-05-26 09:16:44 +0200 |
| commit | 9e42f195f5b5cae4cf8ec71432c0fdaf641d1b73 (patch) | |
| tree | 0f301ef42421c1581d214dc84cb46e0eed15c37c /fs/eventfd.c | |
| parent | dd67081b36a1fb41f632e2fe69992786396c9e77 (diff) | |
| download | lwn-9e42f195f5b5cae4cf8ec71432c0fdaf641d1b73.tar.gz lwn-9e42f195f5b5cae4cf8ec71432c0fdaf641d1b73.zip | |
eventfd: switch to ->poll_mask
Signed-off-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'fs/eventfd.c')
| -rw-r--r-- | fs/eventfd.c | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/fs/eventfd.c b/fs/eventfd.c index 08d3bd602f73..61c9514da5e9 100644 --- a/fs/eventfd.c +++ b/fs/eventfd.c @@ -101,14 +101,20 @@ static int eventfd_release(struct inode *inode, struct file *file) return 0; } -static __poll_t eventfd_poll(struct file *file, poll_table *wait) +static struct wait_queue_head * +eventfd_get_poll_head(struct file *file, __poll_t events) +{ + struct eventfd_ctx *ctx = file->private_data; + + return &ctx->wqh; +} + +static __poll_t eventfd_poll_mask(struct file *file, __poll_t eventmask) { struct eventfd_ctx *ctx = file->private_data; __poll_t events = 0; u64 count; - poll_wait(file, &ctx->wqh, wait); - /* * All writes to ctx->count occur within ctx->wqh.lock. This read * can be done outside ctx->wqh.lock because we know that poll_wait @@ -305,7 +311,8 @@ static const struct file_operations eventfd_fops = { .show_fdinfo = eventfd_show_fdinfo, #endif .release = eventfd_release, - .poll = eventfd_poll, + .get_poll_head = eventfd_get_poll_head, + .poll_mask = eventfd_poll_mask, .read = eventfd_read, .write = eventfd_write, .llseek = noop_llseek, |