diff options
| author | Dave Airlie <airlied@redhat.com> | 2018-07-04 10:27:12 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2018-07-04 10:27:12 +1000 |
| commit | f29135ee4e0d4e01911ed569f731bfdb841cea6d (patch) | |
| tree | e72d49a2f677dd069c3a673522cf785548148f71 /fs/pipe.c | |
| parent | eab976693153b9854bfa83d131374748f6ca4280 (diff) | |
| parent | 021c91791a5e7e85c567452f1be3e4c2c6cb6063 (diff) | |
Merge v4.18-rc3 into drm-next
Two requests have come in for a backmerge,
and I've got some pull reqs on rc2, so this
just makes sense.
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'fs/pipe.c')
| -rw-r--r-- | fs/pipe.c | 22 |
1 files changed, 9 insertions, 13 deletions
diff --git a/fs/pipe.c b/fs/pipe.c index bb0840e234f3..39d6f431da83 100644 --- a/fs/pipe.c +++ b/fs/pipe.c @@ -509,22 +509,19 @@ static long pipe_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) } } -static struct wait_queue_head * -pipe_get_poll_head(struct file *filp, __poll_t events) -{ - struct pipe_inode_info *pipe = filp->private_data; - - return &pipe->wait; -} - /* No kernel lock held - fine */ -static __poll_t pipe_poll_mask(struct file *filp, __poll_t events) +static __poll_t +pipe_poll(struct file *filp, poll_table *wait) { + __poll_t mask; struct pipe_inode_info *pipe = filp->private_data; - int nrbufs = pipe->nrbufs; - __poll_t mask = 0; + int nrbufs; + + poll_wait(filp, &pipe->wait, wait); /* Reading only -- no need for acquiring the semaphore. */ + nrbufs = pipe->nrbufs; + mask = 0; if (filp->f_mode & FMODE_READ) { mask = (nrbufs > 0) ? EPOLLIN | EPOLLRDNORM : 0; if (!pipe->writers && filp->f_version != pipe->w_counter) @@ -1023,8 +1020,7 @@ const struct file_operations pipefifo_fops = { .llseek = no_llseek, .read_iter = pipe_read, .write_iter = pipe_write, - .get_poll_head = pipe_get_poll_head, - .poll_mask = pipe_poll_mask, + .poll = pipe_poll, .unlocked_ioctl = pipe_ioctl, .release = pipe_release, .fasync = pipe_fasync, |