an interface for filesystem preallocation that doesn't suck?
Rahul Sundaram
sundaram at fedoraproject.org
Thu Apr 2 22:22:15 UTC 2009
Eric Sandeen wrote:
> James Ralston wrote:
>
>> If the latter, is there an interface for fallocate() that doesn't have
>> quite as much FAIL as posix_fallocate()?
>
> yes, plain ol' fallocate(2), I think:
>
> #include <linux/falloc.h>
>
> long fallocate(int fd, int mode, loff_t offset, loff_t len);
>
> but you need a very recent glibc to get it:
>
> http://sourceware.org/bugzilla/show_bug.cgi?id=7083#c1
>
> it'd be great if we could get that into F11...
>
> BTW, ext4, xfs, btrfs, and ocfs2 all support ->fallocate.
Shouldn't we getting the new glibc and file RFE's against RPM, the
torrent clients etc?
Rahul
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