From: Jeff Garzik <jgarzik@mandrakesoft.com>
To: "Albert D. Cahalan" <acahalan@cs.uml.edu>
Cc: Linus Torvalds <torvalds@transmeta.com>,
Jamie Lokier <lk@tantalophile.demon.co.uk>,
Andrew Morton <akpm@zip.com.au>,
lkml <linux-kernel@vger.kernel.org>
Subject: Re: [patch 6/12] hold atomic kmaps across generic_file_read
Date: Mon, 12 Aug 2002 10:11:00 -0400 [thread overview]
Message-ID: <3D57C1F4.1040303@mandrakesoft.com> (raw)
In-Reply-To: 200208120018.g7C0IFN185157@saturn.cs.uml.edu
Albert D. Cahalan wrote:
> Jeff Garzik writes:
>>I sure would like an O_STREAMING flag, though... let a user app hint to
>>the system that the pages it is reading or writing are perhaps less
>>likely to be reused, or access randomly.... A copy-file syscall would
>>be nice, too, but that's just laziness talking....
>
>
> You have a laptop computer with a USB-connected Ethernet.
> You mount a NetApp or similar box via the SMB/CIFS protocol.
> You see a multi-gigabyte file. You make a copy... ouch!!!
> For each gigabyte, you hog the network for an hour.
> Now let's say this file is for a MacOS app. You have to
> preserve the creator, file type, resource fork, etc.
/bin/cp has these problems regardless of whether or not it uses a
copy-file syscall.
Jeff
next prev parent reply other threads:[~2002-08-12 14:07 UTC|newest]
Thread overview: 52+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-08-10 0:57 [patch 6/12] hold atomic kmaps across generic_file_read Andrew Morton
2002-08-10 1:33 ` Linus Torvalds
2002-08-10 3:53 ` Andrew Morton
2002-08-10 3:53 ` Linus Torvalds
2002-08-10 6:12 ` Andrew Morton
2002-08-10 7:25 ` Linus Torvalds
2002-08-10 9:08 ` Andrew Morton
2002-08-10 12:44 ` Daniel Phillips
2002-08-10 17:01 ` Linus Torvalds
2002-08-10 18:16 ` Daniel Phillips
2002-08-10 18:32 ` Linus Torvalds
2002-08-10 18:46 ` Daniel Phillips
2002-08-10 14:16 ` Rik van Riel
2002-08-10 17:03 ` Linus Torvalds
2002-08-10 17:36 ` Jamie Lokier
2002-08-10 17:46 ` Linus Torvalds
2002-08-10 17:55 ` Jamie Lokier
2002-08-10 18:42 ` Linus Torvalds
2002-08-10 18:52 ` Jeff Garzik
2002-08-10 19:01 ` Christoph Hellwig
2002-08-10 19:04 ` Jeff Garzik
2002-08-12 15:20 ` Ingo Oeser
2002-08-12 0:18 ` Albert D. Cahalan
2002-08-12 14:11 ` Jeff Garzik [this message]
2002-08-12 14:46 ` David Woodhouse
2002-08-10 19:10 ` Jamie Lokier
2002-08-10 22:42 ` Linus Torvalds
2002-08-11 3:17 ` Simon Kirby
2002-08-11 6:07 ` Andrew Morton
2002-08-11 8:46 ` Simon Kirby
2002-08-11 9:36 ` Andrew Morton
2002-08-11 9:49 ` Andrew Morton
2002-08-11 10:28 ` Andrew Morton
2002-08-11 18:52 ` Linus Torvalds
2002-08-12 3:28 ` Andrew Morton
2002-08-12 3:27 ` Linus Torvalds
2002-08-12 4:08 ` Andrew Morton
2002-08-12 6:20 ` Simon Kirby
2002-08-12 6:44 ` Andrew Morton
2002-08-12 19:43 ` Trond Myklebust
2002-08-12 20:43 ` Andrew Morton
2002-08-11 8:00 ` Daniel Phillips
2002-08-11 19:00 ` Linus Torvalds
2002-08-11 19:43 ` Daniel Phillips
2002-08-11 0:34 ` Andrew Morton
2002-08-11 0:56 ` Linus Torvalds
2002-08-11 1:27 ` Andrew Morton
2002-08-12 7:45 ` Rusty Russell
2002-08-12 9:45 ` Daniel Phillips
2002-08-12 20:29 ` Linus Torvalds
2002-08-12 21:21 ` Daniel Phillips
2002-08-12 17:30 ` Linus Torvalds
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