From: Al Viro <viro@ftp.linux.org.uk>
To: Andr? Goddard Rosa <andre.goddard@gmail.com>
Cc: linux list <linux-kernel@vger.kernel.org>
Subject: Re: Support for SEEK_HOLE and SEEK_DATA for sparse files on lseek(2)
Date: Sun, 18 Jun 2006 16:14:11 +0100 [thread overview]
Message-ID: <20060618151411.GV27946@ftp.linux.org.uk> (raw)
In-Reply-To: <b8bf37780606180620y6e980e04k5b35da2c61fa1d1f@mail.gmail.com>
On Sun, Jun 18, 2006 at 09:20:43AM -0400, Andr? Goddard Rosa wrote:
> Hi, all!
>
> Jeff Bonwick, from Slab allocator and ZFS fame is asking for comments on
> supporting SEEK_HOLE and SEEK_DATA for sparse files on lseek(2), like
> stated in this snip:
>
> "Portability
> At this writing, SEEK_HOLE and SEEK_DATA are Solaris-specific. I
> encourage (implore? beg?) other operating systems to adopt these
> lseek(2) extensions verbatim (100% tax-free) so that sparse file
> navigation becomes a ubiquitous feature that every backup and
> archiving program can rely on. It's long overdue."
Well... Description makes sense and it isn't hard to implement.
About the only question is about semantics for directories...
next prev parent reply other threads:[~2006-06-18 15:14 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-06-18 13:20 Support for SEEK_HOLE and SEEK_DATA for sparse files on lseek(2) André Goddard Rosa
2006-06-18 15:14 ` Al Viro [this message]
2006-06-18 18:36 ` Chris Wedgwood
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