From: Christoph Hellwig <hch@lst.de> To: viro@zeniv.linux.org.uk Cc: Avi Kivity <avi@scylladb.com>, linux-aio@kvack.org, linux-fsdevel@vger.kernel.org, netdev@vger.kernel.org, linux-api@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 33/36] pipe: convert to ->poll_mask Date: Mon, 5 Mar 2018 13:27:40 -0800 [thread overview] Message-ID: <20180305212743.16664-34-hch@lst.de> (raw) In-Reply-To: <20180305212743.16664-1-hch@lst.de> Signed-off-by: Christoph Hellwig <hch@lst.de> --- fs/pipe.c | 22 +++++++++++++--------- 1 file changed, 13 insertions(+), 9 deletions(-) diff --git a/fs/pipe.c b/fs/pipe.c index 7b1954caf388..81937590ea0a 100644 --- a/fs/pipe.c +++ b/fs/pipe.c @@ -509,19 +509,22 @@ static long pipe_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) } } -/* No kernel lock held - fine */ -static __poll_t -pipe_poll(struct file *filp, poll_table *wait) +static struct wait_queue_head * +pipe_get_poll_head(struct file *filp, __poll_t events) { - __poll_t mask; struct pipe_inode_info *pipe = filp->private_data; - int nrbufs; - poll_wait(filp, &pipe->wait, wait); + return &pipe->wait; +} + +/* No kernel lock held - fine */ +static __poll_t pipe_poll_mask(struct file *filp, __poll_t events) +{ + struct pipe_inode_info *pipe = filp->private_data; + int nrbufs = pipe->nrbufs; + __poll_t mask = 0; /* 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) @@ -1015,7 +1018,8 @@ const struct file_operations pipefifo_fops = { .llseek = no_llseek, .read_iter = pipe_read, .write_iter = pipe_write, - .poll = pipe_poll, + .get_poll_head = pipe_get_poll_head, + .poll_mask = pipe_poll_mask, .unlocked_ioctl = pipe_ioctl, .release = pipe_release, .fasync = pipe_fasync, -- 2.14.2
WARNING: multiple messages have this Message-ID (diff)
From: Christoph Hellwig <hch@lst.de> To: viro@zeniv.linux.org.uk Cc: Avi Kivity <avi@scylladb.com>, linux-aio@kvack.org, linux-fsdevel@vger.kernel.org, netdev@vger.kernel.org, linux-api@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 33/36] pipe: convert to ->poll_mask Date: Mon, 5 Mar 2018 13:27:40 -0800 [thread overview] Message-ID: <20180305212743.16664-34-hch@lst.de> (raw) In-Reply-To: <20180305212743.16664-1-hch@lst.de> Signed-off-by: Christoph Hellwig <hch@lst.de> --- fs/pipe.c | 22 +++++++++++++--------- 1 file changed, 13 insertions(+), 9 deletions(-) diff --git a/fs/pipe.c b/fs/pipe.c index 7b1954caf388..81937590ea0a 100644 --- a/fs/pipe.c +++ b/fs/pipe.c @@ -509,19 +509,22 @@ static long pipe_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) } } -/* No kernel lock held - fine */ -static __poll_t -pipe_poll(struct file *filp, poll_table *wait) +static struct wait_queue_head * +pipe_get_poll_head(struct file *filp, __poll_t events) { - __poll_t mask; struct pipe_inode_info *pipe = filp->private_data; - int nrbufs; - poll_wait(filp, &pipe->wait, wait); + return &pipe->wait; +} + +/* No kernel lock held - fine */ +static __poll_t pipe_poll_mask(struct file *filp, __poll_t events) +{ + struct pipe_inode_info *pipe = filp->private_data; + int nrbufs = pipe->nrbufs; + __poll_t mask = 0; /* 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) @@ -1015,7 +1018,8 @@ const struct file_operations pipefifo_fops = { .llseek = no_llseek, .read_iter = pipe_read, .write_iter = pipe_write, - .poll = pipe_poll, + .get_poll_head = pipe_get_poll_head, + .poll_mask = pipe_poll_mask, .unlocked_ioctl = pipe_ioctl, .release = pipe_release, .fasync = pipe_fasync, -- 2.14.2 -- To unsubscribe, send a message with 'unsubscribe linux-aio' in the body to majordomo@kvack.org. For more info on Linux AIO, see: http://www.kvack.org/aio/ Don't email: <a href=mailto:"aart@kvack.org">aart@kvack.org</a>
next prev parent reply other threads:[~2018-03-05 21:28 UTC|newest] Thread overview: 123+ messages / expand[flat|nested] mbox.gz Atom feed top 2018-03-05 21:27 aio poll, io_pgetevents and a new in-kernel poll API V5 Christoph Hellwig 2018-03-05 21:27 ` Christoph Hellwig 2018-03-05 21:27 ` [PATCH 01/36] aio: don't print the page size at boot time Christoph Hellwig 2018-03-05 21:27 ` Christoph Hellwig 2018-03-20 0:11 ` Darrick J. Wong 2018-03-20 0:11 ` Darrick J. Wong 2018-03-05 21:27 ` [PATCH 02/36] aio: remove an outdated comment in aio_complete Christoph Hellwig 2018-03-05 21:27 ` Christoph Hellwig 2018-03-20 0:12 ` Darrick J. Wong 2018-03-20 0:12 ` Darrick J. Wong 2018-03-05 21:27 ` [PATCH 03/36] aio: refactor read/write iocb setup Christoph Hellwig 2018-03-05 21:27 ` Christoph Hellwig 2018-03-20 0:19 ` Darrick J. Wong 2018-03-20 0:19 ` Darrick J. Wong 2018-03-05 21:27 ` [PATCH 04/36] aio: sanitize ki_list handling Christoph Hellwig 2018-03-05 21:27 ` Christoph Hellwig 2018-03-20 0:21 ` Darrick J. Wong 2018-03-20 0:21 ` Darrick J. Wong 2018-03-05 21:27 ` [PATCH 05/36] aio: simplify cancellation Christoph Hellwig 2018-03-05 21:27 ` Christoph Hellwig 2018-03-20 0:25 ` Darrick J. Wong 2018-03-20 0:25 ` Darrick J. Wong 2018-03-05 21:27 ` [PATCH 06/36] aio: delete iocbs from the active_reqs list in kiocb_cancel Christoph Hellwig 2018-03-05 21:27 ` Christoph Hellwig 2018-03-20 0:34 ` Darrick J. Wong 2018-03-20 0:34 ` Darrick J. Wong 2018-03-05 21:27 ` [PATCH 07/36] aio: add delayed cancel support Christoph Hellwig 2018-03-05 21:27 ` Christoph Hellwig 2018-03-20 3:19 ` Darrick J. Wong 2018-03-20 3:19 ` Darrick J. Wong 2018-03-20 15:20 ` Christoph Hellwig 2018-03-20 15:20 ` Christoph Hellwig 2018-03-05 21:27 ` [PATCH 08/36] aio: implement io_pgetevents Christoph Hellwig 2018-03-05 21:27 ` Christoph Hellwig 2018-03-05 21:51 ` Jeff Moyer 2018-03-05 21:51 ` Jeff Moyer 2018-03-05 21:51 ` Jeff Moyer 2018-03-20 2:12 ` Darrick J. Wong 2018-03-20 2:12 ` Darrick J. Wong 2018-03-20 15:22 ` Christoph Hellwig 2018-03-20 15:22 ` Christoph Hellwig 2018-03-20 15:30 ` Jeff Moyer 2018-03-20 15:30 ` Jeff Moyer 2018-03-20 15:30 ` Jeff Moyer 2018-03-20 15:31 ` Christoph Hellwig 2018-03-20 15:31 ` Christoph Hellwig 2018-03-20 15:34 ` Jeff Moyer 2018-03-20 15:34 ` Jeff Moyer 2018-03-20 15:34 ` Jeff Moyer 2018-03-05 21:27 ` [PATCH 09/36] fs: unexport poll_schedule_timeout Christoph Hellwig 2018-03-05 21:27 ` Christoph Hellwig 2018-03-20 2:13 ` Darrick J. Wong 2018-03-20 2:13 ` Darrick J. Wong 2018-03-05 21:27 ` [PATCH 10/36] fs: cleanup do_pollfd Christoph Hellwig 2018-03-05 21:27 ` Christoph Hellwig 2018-03-20 2:14 ` Darrick J. Wong 2018-03-20 2:14 ` Darrick J. Wong 2018-03-05 21:27 ` [PATCH 11/36] fs: update documentation for __poll_t Christoph Hellwig 2018-03-20 2:19 ` Darrick J. Wong 2018-03-20 2:19 ` Darrick J. Wong 2018-03-05 21:27 ` [PATCH 12/36] fs: add new vfs_poll and file_can_poll helpers Christoph Hellwig 2018-03-05 21:27 ` Christoph Hellwig 2018-03-20 2:27 ` Darrick J. Wong 2018-03-20 2:27 ` Darrick J. Wong 2018-03-05 21:27 ` [PATCH 13/36] fs: introduce new ->get_poll_head and ->poll_mask methods Christoph Hellwig 2018-03-05 21:27 ` Christoph Hellwig 2018-03-20 3:29 ` Darrick J. Wong 2018-03-20 3:29 ` Darrick J. Wong 2018-03-20 15:39 ` Christoph Hellwig 2018-03-20 15:39 ` Christoph Hellwig 2018-03-05 21:27 ` [PATCH 14/36] aio: implement IOCB_CMD_POLL Christoph Hellwig 2018-03-05 21:27 ` Christoph Hellwig 2018-03-05 21:51 ` Jeff Moyer 2018-03-05 21:27 ` [PATCH 15/36] net: refactor socket_poll Christoph Hellwig 2018-03-05 21:27 ` Christoph Hellwig 2018-03-05 21:27 ` [PATCH 16/36] net: add support for ->poll_mask in proto_ops Christoph Hellwig 2018-03-05 21:27 ` Christoph Hellwig 2018-03-05 21:27 ` [PATCH 17/36] net: remove sock_no_poll Christoph Hellwig 2018-03-05 21:27 ` Christoph Hellwig 2018-03-05 21:27 ` [PATCH 18/36] net/tcp: convert to ->poll_mask Christoph Hellwig 2018-03-05 21:27 ` Christoph Hellwig 2018-03-05 21:27 ` [PATCH 19/36] net/unix: " Christoph Hellwig 2018-03-05 21:27 ` Christoph Hellwig 2018-03-05 21:27 ` [PATCH 20/36] net: convert datagram_poll users tp ->poll_mask Christoph Hellwig 2018-03-05 21:27 ` Christoph Hellwig 2018-03-05 21:27 ` [PATCH 21/36] net/dccp: convert to ->poll_mask Christoph Hellwig 2018-03-05 21:27 ` Christoph Hellwig 2018-03-05 21:27 ` [PATCH 22/36] net/atm: " Christoph Hellwig 2018-03-05 21:27 ` Christoph Hellwig 2018-03-05 21:27 ` [PATCH 23/36] net/vmw_vsock: " Christoph Hellwig 2018-03-05 21:27 ` Christoph Hellwig 2018-03-05 21:27 ` [PATCH 24/36] net/tipc: " Christoph Hellwig 2018-03-05 21:27 ` Christoph Hellwig 2018-03-05 21:27 ` [PATCH 25/36] net/sctp: " Christoph Hellwig 2018-03-05 21:27 ` Christoph Hellwig 2018-03-05 21:27 ` [PATCH 26/36] net/bluetooth: " Christoph Hellwig 2018-03-05 21:27 ` Christoph Hellwig 2018-03-05 21:27 ` [PATCH 27/36] net/caif: " Christoph Hellwig 2018-03-05 21:27 ` Christoph Hellwig 2018-03-05 21:27 ` [PATCH 28/36] net/nfc: " Christoph Hellwig 2018-03-05 21:27 ` Christoph Hellwig 2018-03-05 21:27 ` [PATCH 29/36] net/phonet: " Christoph Hellwig 2018-03-05 21:27 ` Christoph Hellwig 2018-03-05 21:27 ` [PATCH 30/36] net/iucv: " Christoph Hellwig 2018-03-05 21:27 ` Christoph Hellwig 2018-03-05 21:27 ` [PATCH 31/36] net/rxrpc: " Christoph Hellwig 2018-03-05 21:27 ` Christoph Hellwig 2018-03-05 21:27 ` [PATCH 32/36] crypto: af_alg: " Christoph Hellwig 2018-03-05 21:27 ` Christoph Hellwig 2018-03-05 21:27 ` Christoph Hellwig [this message] 2018-03-05 21:27 ` [PATCH 33/36] pipe: " Christoph Hellwig 2018-03-05 21:27 ` [PATCH 34/36] eventfd: switch " Christoph Hellwig 2018-03-05 21:27 ` Christoph Hellwig 2018-03-05 21:27 ` [PATCH 35/36] timerfd: convert " Christoph Hellwig 2018-03-05 21:27 ` Christoph Hellwig 2018-03-05 21:27 ` [PATCH 36/36] random: " Christoph Hellwig 2018-03-05 21:27 ` Christoph Hellwig 2018-03-13 7:46 ` aio poll, io_pgetevents and a new in-kernel poll API V5 Christoph Hellwig 2018-03-19 8:35 ` Christoph Hellwig 2018-03-19 8:35 ` Christoph Hellwig -- strict thread matches above, loose matches on Subject: below -- 2018-01-22 20:12 aio poll, io_pgetevents and a new in-kernel poll API V4 Christoph Hellwig 2018-01-22 20:12 ` [PATCH 33/36] pipe: convert to ->poll_mask Christoph Hellwig 2018-01-17 19:27 aio poll, io_pgetevents and a new in-kernel poll API V3 Christoph Hellwig 2018-01-17 19:27 ` [PATCH 33/36] pipe: convert to ->poll_mask Christoph Hellwig 2018-01-17 19:27 ` Christoph Hellwig
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