From: Christoph Hellwig <hch@lst.de>
To: Arnd Bergmann <arnd@arndb.de>
Cc: Christoph Hellwig <hch@lst.de>, Al Viro <viro@zeniv.linux.org.uk>,
Avi Kivity <avi@scylladb.com>,
linux-aio@kvack.org,
Linux FS-devel Mailing List <linux-fsdevel@vger.kernel.org>,
Networking <netdev@vger.kernel.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
y2038 Mailman List <y2038@lists.linaro.org>
Subject: Re: [PATCH 31/31] aio: implement io_pgetevents
Date: Wed, 10 Jan 2018 09:11:57 +0100 [thread overview]
Message-ID: <20180110081157.GA9659@lst.de> (raw)
In-Reply-To: <CAK8P3a3xanoBFrs09T0aaaKwnNM-8RTfqPi_Hsue=FS-6XL1zg@mail.gmail.com>
On Tue, Jan 09, 2018 at 11:16:16PM +0100, Arnd Bergmann wrote:
> Hmm, these two new syscall entry points turn into four when we add in
> support for 64-bit time_t, as we'd have to support all combinations of 32/64
> bit aio_context_t and time_t.
At least they'll also replace plain old io_getevents :)
> Would it be better to start this interface out by defining it using a 64-bit
> timeout structure? The downside would be that the user space syscall
> wrappers have to start out with a conversion, if we don't do it, then
> the opposite conversion would have to get added later.
Which structure do you want? In the end applications using libaio
or even the syscalls directly (like seastar) are a special bread, so
they could probably just deal with whatever structure we want to pass.
next prev parent reply other threads:[~2018-01-10 8:11 UTC|newest]
Thread overview: 101+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-01-04 8:00 aio poll, io_pgetevents and a new in-kernel poll API Christoph Hellwig
2018-01-04 8:00 ` Christoph Hellwig
2018-01-04 8:00 ` [PATCH 01/31] fs: update documentation for __poll_t Christoph Hellwig
2018-01-04 8:00 ` Christoph Hellwig
2018-01-04 8:00 ` [PATCH 02/31] fs: add new vfs_poll and file_can_poll helpers Christoph Hellwig
2018-01-04 8:00 ` Christoph Hellwig
2018-01-06 19:08 ` Al Viro
2018-01-06 19:08 ` Al Viro
2018-01-08 10:44 ` Christoph Hellwig
2018-01-08 10:44 ` Christoph Hellwig
2018-01-04 8:00 ` [PATCH 03/31] fs: introduce new ->get_poll_head and ->poll_mask methods Christoph Hellwig
2018-01-04 8:00 ` Christoph Hellwig
2018-01-06 19:12 ` Al Viro
2018-01-06 19:12 ` Al Viro
2018-01-08 10:45 ` Christoph Hellwig
2018-01-08 10:45 ` Christoph Hellwig
2018-01-10 16:31 ` Al Viro
2018-01-10 16:31 ` Al Viro
2018-01-10 17:42 ` Christoph Hellwig
2018-01-04 8:00 ` [PATCH 04/31] net: add support for ->poll_mask in proto_ops Christoph Hellwig
2018-01-04 8:00 ` Christoph Hellwig
2018-01-06 19:16 ` Al Viro
2018-01-06 19:16 ` Al Viro
2018-01-08 10:48 ` Christoph Hellwig
2018-01-08 10:48 ` Christoph Hellwig
2018-01-09 16:32 ` Christoph Hellwig
2018-01-09 16:41 ` Christoph Hellwig
2018-01-09 16:41 ` Christoph Hellwig
2018-01-04 8:00 ` [PATCH 05/31] net: remove sock_no_poll Christoph Hellwig
2018-01-04 8:00 ` Christoph Hellwig
2018-01-04 8:00 ` [PATCH 06/31] net/tcp: convert to ->poll_mask Christoph Hellwig
2018-01-04 8:00 ` [PATCH 07/31] net/unix: " Christoph Hellwig
2018-01-04 8:00 ` Christoph Hellwig
2018-01-04 8:00 ` [PATCH 08/31] net: convert datagram_poll users tp ->poll_mask Christoph Hellwig
2018-01-04 8:00 ` Christoph Hellwig
2018-01-04 8:00 ` [PATCH 09/31] net/dccp: convert to ->poll_mask Christoph Hellwig
2018-01-04 8:00 ` Christoph Hellwig
2018-01-04 8:00 ` [PATCH 10/31] net/atm: " Christoph Hellwig
2018-01-04 8:00 ` Christoph Hellwig
2018-01-04 8:00 ` [PATCH 11/31] net/vmw_vsock: " Christoph Hellwig
2018-01-04 8:00 ` Christoph Hellwig
2018-01-04 8:00 ` [PATCH 12/31] net/tipc: " Christoph Hellwig
2018-01-04 8:00 ` Christoph Hellwig
2018-01-04 8:00 ` [PATCH 13/31] net/sctp: " Christoph Hellwig
2018-01-04 8:00 ` Christoph Hellwig
2018-01-04 8:00 ` [PATCH 14/31] net/bluetooth: " Christoph Hellwig
2018-01-04 8:00 ` Christoph Hellwig
2018-01-04 8:00 ` [PATCH 15/31] net/caif: " Christoph Hellwig
2018-01-04 8:00 ` Christoph Hellwig
2018-01-04 8:00 ` [PATCH 16/31] net/nfc: " Christoph Hellwig
2018-01-04 8:00 ` Christoph Hellwig
2018-01-04 8:00 ` [PATCH 17/31] net/phonet: " Christoph Hellwig
2018-01-04 8:00 ` Christoph Hellwig
2018-01-04 8:00 ` [PATCH 18/31] net/iucv: " Christoph Hellwig
2018-01-04 8:00 ` [PATCH 19/31] net/rxrpc: " Christoph Hellwig
2018-01-04 8:00 ` Christoph Hellwig
2018-01-04 8:00 ` [PATCH 20/31] pipe: " Christoph Hellwig
2018-01-04 8:00 ` Christoph Hellwig
2018-01-04 8:00 ` [PATCH 21/31] eventfd: switch " Christoph Hellwig
2018-01-04 8:00 ` Christoph Hellwig
2018-01-04 8:00 ` [PATCH 22/31] timerfd: convert " Christoph Hellwig
2018-01-04 8:00 ` Christoph Hellwig
2018-01-04 8:00 ` [PATCH 23/31] aio: don't print the page size at boot time Christoph Hellwig
2018-01-04 8:00 ` Christoph Hellwig
2018-01-09 17:18 ` Jeff Moyer
2018-01-09 17:18 ` Jeff Moyer
2018-01-04 8:00 ` [PATCH 24/31] aio: remove an outdated comment in aio_complete Christoph Hellwig
2018-01-04 8:00 ` Christoph Hellwig
2018-01-09 17:19 ` Jeff Moyer
2018-01-09 17:19 ` Jeff Moyer
2018-01-04 8:00 ` [PATCH 25/31] aio: refactor read/write iocb setup Christoph Hellwig
2018-01-04 8:00 ` Christoph Hellwig
2018-01-04 8:00 ` [PATCH 26/31] aio: sanitize ki_list handling Christoph Hellwig
2018-01-04 8:00 ` Christoph Hellwig
2018-01-04 8:00 ` [PATCH 27/31] aio: simplify cancellation Christoph Hellwig
2018-01-04 8:00 ` Christoph Hellwig
2018-01-04 8:00 ` [PATCH 28/31] aio: delete iocbs from the active_reqs list in kiocb_cancel Christoph Hellwig
2018-01-04 8:00 ` Christoph Hellwig
2018-01-04 8:00 ` [PATCH 29/31] aio: add delayed cancel support Christoph Hellwig
2018-01-04 8:00 ` Christoph Hellwig
2018-01-04 8:00 ` [PATCH 30/31] aio: implement IOCB_CMD_POLL Christoph Hellwig
2018-01-04 8:00 ` Christoph Hellwig
2018-01-04 8:00 ` [PATCH 31/31] aio: implement io_pgetevents Christoph Hellwig
2018-01-04 8:00 ` Christoph Hellwig
2018-01-09 22:16 ` Arnd Bergmann
2018-01-09 22:16 ` Arnd Bergmann
2018-01-10 8:11 ` Christoph Hellwig [this message]
2018-01-10 11:03 ` Arnd Bergmann
2018-01-10 14:59 ` Christoph Hellwig
2018-01-10 14:59 ` Christoph Hellwig
2018-01-10 15:48 ` Arnd Bergmann
2018-01-10 15:48 ` Arnd Bergmann
2018-01-10 15:49 ` Christoph Hellwig
2018-01-10 15:49 ` Christoph Hellwig
2018-01-10 15:56 ` Christoph Hellwig
2018-01-10 15:56 ` Christoph Hellwig
2018-01-04 9:09 ` aio poll, io_pgetevents and a new in-kernel poll API Christoph Hellwig
2018-01-04 9:09 ` Christoph Hellwig
[not found] ` <846305254.12.1515072390525.JavaMail.root@thunderbeast.private.linuxbox.com>
2018-01-04 13:28 ` Fwd: " Matt Benjamin
2018-01-09 12:28 ` Christoph Hellwig
2018-01-09 12:28 ` Christoph Hellwig
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