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From: "Michael Kerrisk (man-pages)" <mtk.manpages-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
To: Florian Weimer <fweimer-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
	Jens Axboe <axboe-tSWWG44O7X1aa/9Udqfwiw@public.gmane.org>
Cc: mtk.manpages-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org,
	linux-man <linux-man-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
Subject: Re: man page update (fcntl(2) new set/get write hints)
Date: Mon, 28 Aug 2017 23:13:52 +0200	[thread overview]
Message-ID: <77223583-e1bc-00c4-9340-856fcb9aff4f@gmail.com> (raw)
In-Reply-To: <02cf5c20-bb36-29e3-01e2-3a90e8272c70-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>

On 08/28/2017 11:07 AM, Florian Weimer wrote:
> On 08/24/2017 12:41 AM, Michael Kerrisk (man-pages) wrote:
>> +.TP
>> +.BR F_GET_RW_HINT " (\fIuint64_t\fP; since Linux 4.13)"
>> +Returns the value of the read/write hint associated with the underlying inode
>> +for the file descriptor.
>> +.TP
>> +.BR F_SET_RW_HINT " (\fIuint64_t\fP; since Linux 4.13)"
>> +Sets the read/write hint value associated with the underlying inode for the
>> +file descriptor.
> 
> Surely the arguments are of pointer type for reads *and* writes?
> 
> There is no convenient way 32-bit userspace can pass a 64-bit integer
> through are variadic dispatcher interface such as ioctl/fcntl/futex.

Thanks, Florian. I corrected this.

Cheers,

Michael



-- 
Michael Kerrisk
Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/
Linux/UNIX System Programming Training: http://man7.org/training/
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      parent reply	other threads:[~2017-08-28 21:13 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <25b8e025-d49b-e033-5ba3-f6967a6a970f@kernel.dk>
     [not found] ` <25b8e025-d49b-e033-5ba3-f6967a6a970f-tSWWG44O7X1aa/9Udqfwiw@public.gmane.org>
2017-08-23 22:41   ` man page update (fcntl(2) new set/get write hints) Michael Kerrisk (man-pages)
     [not found]     ` <feffa54b-d1b4-02e3-5a24-0a8e51f96762-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2017-08-24 14:39       ` Jens Axboe
     [not found]         ` <39f20b08-9a35-652e-4ae9-96f3cb8e5679-tSWWG44O7X1aa/9Udqfwiw@public.gmane.org>
2017-08-24 22:10           ` Michael Kerrisk (man-pages)
     [not found]             ` <CAKgNAkizCBiky9QM0-oyP3taGKCDTjAP--SCgqZ3pC8Kz=PnPw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2017-08-25 20:43               ` Jens Axboe
     [not found]                 ` <580f238c-4c3d-eddc-5330-19f8a971bce1-tSWWG44O7X1aa/9Udqfwiw@public.gmane.org>
2017-08-25 20:51                   ` Michael Kerrisk (man-pages)
     [not found]                     ` <CAKgNAkhJysMFycC8xxjQ8s=+ABryEmWTFUopTWoan04icGibAw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2017-08-25 20:55                       ` Jens Axboe
     [not found]                         ` <6d17003b-87a1-43c8-87bf-80842b4fabf7-tSWWG44O7X1aa/9Udqfwiw@public.gmane.org>
2017-08-28 19:19                           ` Michael Kerrisk (man-pages)
     [not found]                             ` <68b812bd-a861-2ed0-e207-fb0a9bbce923-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2017-08-28 20:15                               ` Jens Axboe
     [not found]                                 ` <6ad54bed-75fa-5153-004e-c4a8a1c87a35-tSWWG44O7X1aa/9Udqfwiw@public.gmane.org>
2017-08-28 21:16                                   ` Michael Kerrisk (man-pages)
     [not found]                                     ` <778a45d3-8bee-aa8b-86bd-c7e6cd7e5c60-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2017-09-03  0:45                                       ` Michael Kerrisk (man-pages)
     [not found]                                         ` <e281652b-44d7-1c59-35ea-63836d6532dd-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2017-09-11 14:31                                           ` Michael Kerrisk (man-pages)
2017-08-28  9:07       ` Florian Weimer
     [not found]         ` <02cf5c20-bb36-29e3-01e2-3a90e8272c70-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2017-08-28 16:13           ` Jens Axboe
2017-08-28 21:13           ` Michael Kerrisk (man-pages) [this message]

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