Re: aio poll, io_pgetevents and a new in-kernel poll API V4

2018-01-26 Thread Christoph Hellwig
On Thu, Jan 25, 2018 at 03:10:25PM -0500, Benjamin LaHaise wrote: > I implemented something similar back in December, but did so without > changing the in-kernel poll API. See below for the patch that implements > it. Is changing the in-kernel poll API really desirable given how many > drivers th

Re: aio poll, io_pgetevents and a new in-kernel poll API V4

2018-01-25 Thread Benjamin LaHaise
On Mon, Jan 22, 2018 at 09:12:07PM +0100, Christoph Hellwig wrote: > Hi all, > > this series adds support for the IOCB_CMD_POLL operation to poll for the > readyness of file descriptors using the aio subsystem. The API is based > on patches that existed in RHAS2.1 and RHEL3, which means it alread

aio poll, io_pgetevents and a new in-kernel poll API V4

2018-01-22 Thread Christoph Hellwig
Hi all, this series adds support for the IOCB_CMD_POLL operation to poll for the readyness of file descriptors using the aio subsystem. The API is based on patches that existed in RHAS2.1 and RHEL3, which means it already is supported by libaio. To implement the poll support efficiently new meth