Re: NEW TAR

• Previous message: Bruce Evans: "Re: nanosleep returning early"
• In reply to: Ian FREISLICH: "Re: NEW TAR"
• Next in thread: Barry Bouwsma: "Re: NEW TAR"
• Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]

Date: Thu, 22 Jul 2004 15:45:09 +0100 (BST)
To: Ian FREISLICH <if@hetzner.co.za>

On Thu, 22 Jul 2004, Ian FREISLICH wrote:

> SanD wrote:
>> Ian wrote:
>>> How does dump handle sparse files?
>> Dump handles fine sparse files.
>
> Maybe I should have asked how does dump figure out that the files
> are sparse and if it's any more intelligent than a 2 pass read (I
> have no idea why 2 passes are required) or just blindly turning
> successive zeros into a seek offset, is there anything preventing
> BSD tar from doing the same?

Dump knows about the filesystem format; it talks that directly to the
device.

-- 
jan grant, ILRT, University of Bristol. http://www.ilrt.bris.ac.uk/
Tel +44(0)117 9287088 Fax +44 (0)117 9287112 http://ioctl.org/jan/
Political talk? / What is said can be unsaid / with good old BS
   -- ASCII haiku
_______________________________________________
freebsd-current@freebsd.org mailing list
http://lists.freebsd.org/mailman/listinfo/freebsd-current
To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org"

• Previous message: Bruce Evans: "Re: nanosleep returning early"
• In reply to: Ian FREISLICH: "Re: NEW TAR"
• Next in thread: Barry Bouwsma: "Re: NEW TAR"
• Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]