From: "Michael Kerrisk (man-pages)" <mtk.manpages-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
To: "Lukáš Czerner" <lczerner-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
Cc: mtk.manpages-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org,
linux-man <linux-man-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
Subject: Re: [PATCH v3] fallocate.2: Document FALLOC_FL_ZERO_RANGE
Date: Tue, 06 May 2014 12:45:30 +0200 [thread overview]
Message-ID: <5368BD4A.5080902@gmail.com> (raw)
In-Reply-To: <alpine.LFD.2.00.1405061156290.2255-bi+AKbBUZKY6gyzm1THtWbp2dZbC/Bob@public.gmane.org>
>> [[
>> Zeroing is done within the filesystem preferably by converting the range into
>> unwritten extents.
>> This approach means that the specified range will not be physically zeroed
>> out on the device (except for partial blocks at the either end of the range),
>> and I/O is (otherwise) required only to update file metadata.
>> ]]
>
> Perfect. Just get rid of "file" in the "file metadata" and I think
> it's ok. The reason is that those are also file system metadata in
> the case you're actually allocating blocks.
Done! Thanks for your patient help, Lukáš.
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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prev parent reply other threads:[~2014-05-06 10:45 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-05-05 12:04 [PATCH v3] fallocate.2: Document FALLOC_FL_ZERO_RANGE Lukas Czerner
[not found] ` <1399291463-13683-1-git-send-email-lczerner-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2014-05-05 12:44 ` Michael Kerrisk (man-pages)
[not found] ` <536787C0.9070204-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2014-05-05 13:06 ` Lukáš Czerner
[not found] ` <alpine.LFD.2.00.1405051504210.2223-bi+AKbBUZKY6gyzm1THtWbp2dZbC/Bob@public.gmane.org>
2014-05-05 19:46 ` Michael Kerrisk (man-pages)
[not found] ` <CAKgNAkg0-za69pesggjyEzSPEwQ60TtgEbhoUoZsg6F_9qsMbQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-05-06 9:58 ` Lukáš Czerner
[not found] ` <alpine.LFD.2.00.1405061156290.2255-bi+AKbBUZKY6gyzm1THtWbp2dZbC/Bob@public.gmane.org>
2014-05-06 10:45 ` Michael Kerrisk (man-pages) [this message]
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