linux-ext4 - Re: Getting direct support for fallocate(2) into glibc

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Message-ID: <493EB30B.8090300@redhat.com>
Date:	Tue, 09 Dec 2008 12:03:55 -0600
From:	Eric Sandeen <sandeen@...hat.com>
To:	Theodore Tso <tytso@....EDU>
CC:	linux-ext4@...r.kernel.org
Subject: Re: Getting direct support for fallocate(2) into glibc

Theodore Tso wrote:
> On Tue, Dec 09, 2008 at 10:58:19AM -0600, Eric Sandeen wrote:
>> ... oh, ok, but plain old fallocate() isn't yet hooked up, odd.
>>
>> # gcc -o test-fallocate test-fallocate.c
>> /tmp/ccQTk6an.o: In function `main':
>> test-fallocate.c:(.text+0x3e): undefined reference to `fallocate'
>>
>> Especially odd because we have a man page shipping, but no actual
>> implemented interface  :)  OK, I'll go bug people.
> 
> Yep, that was what I was referring to.  We have the fallocate(2) man
> page because Michael Kerrisk has documented the userspace/kernel
> interface.  But that doesn't necessarily mean that glibc has wired up
> the interface.  (Sigh, we had been able to push this issue *before*
> glibc 2.9 shipped last month, but we were all too busy....)

Ok.  yeah, I honestly didn't realize that the bare interface wasn't
there.  :(

-Eric
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