an interface for filesystem preallocation that doesn't suck?
qralston+ml.redhat-fedora-devel at andrew.cmu.edu
Thu Apr 2 22:37:59 UTC 2009
On 2009-04-02 at 17:00-0500 Eric Sandeen <sandeen at redhat.com> wrote:
> James Ralston wrote:
> > [I]s 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:
Ah, that's the ticket (no pun intended).
> it'd be great if we could get that into F11...
The rawhide glibc has it, but I'm not sure if it made the cut for the
beta. I'll test later.
> BTW, ext4, xfs, btrfs, and ocfs2 all support ->fallocate.
On 2009-04-03 at 03:52+0530 Rahul Sundaram <sundaram at fedoraproject.org> wrote:
> Shouldn't we getting the new glibc and file RFE's against RPM, the
> torrent clients etc?
I intend to start filing bugs against anything I can find that doesn't
use fallocate(), yes. But I needed a better implementation to suggest
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