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| author | Christoph Hellwig <hch@lst.de> | 2018-03-05 07:26:05 -0800 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2018-05-26 09:16:44 +0200 |
| commit | 9965ed174e7d38896e5d2582159d8ef31ecd4cb5 (patch) | |
| tree | 955bfa805fff87c169a4814deaf311b90cca84b2 /drivers | |
| parent | 6e8b704df58407aad7607053cb1b5ead4ac4a0bc (diff) | |
| download | linux-stable-9965ed174e7d38896e5d2582159d8ef31ecd4cb5.tar.gz linux-stable-9965ed174e7d38896e5d2582159d8ef31ecd4cb5.tar.bz2 linux-stable-9965ed174e7d38896e5d2582159d8ef31ecd4cb5.zip | |
fs: add new vfs_poll and file_can_poll helpers
These abstract out calls to the poll method in preparation for changes
in how we poll.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/staging/comedi/drivers/serial2002.c | 4 | ||||
| -rw-r--r-- | drivers/vfio/virqfd.c | 2 | ||||
| -rw-r--r-- | drivers/vhost/vhost.c | 2 |
3 files changed, 4 insertions, 4 deletions
diff --git a/drivers/staging/comedi/drivers/serial2002.c b/drivers/staging/comedi/drivers/serial2002.c index b3f3b4a201af..5471b2212a62 100644 --- a/drivers/staging/comedi/drivers/serial2002.c +++ b/drivers/staging/comedi/drivers/serial2002.c @@ -113,7 +113,7 @@ static void serial2002_tty_read_poll_wait(struct file *f, int timeout) long elapsed; __poll_t mask; - mask = f->f_op->poll(f, &table.pt); + mask = vfs_poll(f, &table.pt); if (mask & (EPOLLRDNORM | EPOLLRDBAND | EPOLLIN | EPOLLHUP | EPOLLERR)) { break; @@ -136,7 +136,7 @@ static int serial2002_tty_read(struct file *f, int timeout) result = -1; if (!IS_ERR(f)) { - if (f->f_op->poll) { + if (file_can_poll(f)) { serial2002_tty_read_poll_wait(f, timeout); if (kernel_read(f, &ch, 1, &pos) == 1) diff --git a/drivers/vfio/virqfd.c b/drivers/vfio/virqfd.c index 085700f1be10..2a1be859ee71 100644 --- a/drivers/vfio/virqfd.c +++ b/drivers/vfio/virqfd.c @@ -166,7 +166,7 @@ int vfio_virqfd_enable(void *opaque, init_waitqueue_func_entry(&virqfd->wait, virqfd_wakeup); init_poll_funcptr(&virqfd->pt, virqfd_ptable_queue_proc); - events = irqfd.file->f_op->poll(irqfd.file, &virqfd->pt); + events = vfs_poll(irqfd.file, &virqfd->pt); /* * Check if there was an event already pending on the eventfd diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c index f3bd8e941224..f6022881f147 100644 --- a/drivers/vhost/vhost.c +++ b/drivers/vhost/vhost.c @@ -208,7 +208,7 @@ int vhost_poll_start(struct vhost_poll *poll, struct file *file) if (poll->wqh) return 0; - mask = file->f_op->poll(file, &poll->table); + mask = vfs_poll(file, &poll->table); if (mask) vhost_poll_wakeup(&poll->wait, 0, 0, poll_to_key(mask)); if (mask & EPOLLERR) { |