From: Andrew Morton <akpm@osdl.org>
To: Andy Isaacson <adi@hexapodia.org>
Cc: bug-coreutils@gnu.org, linux-kernel@vger.kernel.org
Subject: Re: dd PATCH: add conv=direct
Date: Wed, 7 Apr 2004 13:03:08 -0700 [thread overview]
Message-ID: <20040407130308.7c7ec8dc.akpm@osdl.org> (raw)
In-Reply-To: <20040407194727.GE2814@hexapodia.org>
Andy Isaacson <adi@hexapodia.org> wrote:
>
> I claim that O_DIRECT on of= is important because you just plain *can
> not* do the minimal-sized IDE block scrub without it. I don't yet see a
> similar benefit to O_DIRECT on if= side.
If you want a block scrubber then write a block scrubber.
If you want to add O_DIRECT support to dd then it should be implemented
properly, and that means implementing it for both read and write.
In fact the user should be able to specify the read-O_DIRECT and the
write-O_DIRECT independently - if for no other reason than that the source
and dest filesytems may not both support O_DIRECT.
next prev parent reply other threads:[~2004-04-07 20:01 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-04-06 22:03 Andy Isaacson
2004-04-07 0:33 ` Andrew Morton
2004-04-07 16:21 ` Bruce Allen
2004-04-07 16:42 ` Andrew Morton
2004-04-07 17:31 ` Andy Isaacson
2004-04-07 18:18 ` Andrew Morton
2004-04-07 19:24 ` Andy Isaacson
2004-04-07 19:34 ` Andrew Morton
2004-04-07 19:47 ` Andy Isaacson
2004-04-07 20:03 ` Andrew Morton [this message]
2004-04-07 20:43 ` Andy Isaacson
2004-04-07 21:00 ` Valdis.Kletnieks
2004-04-07 21:35 ` Bruce Allen
2004-04-08 6:56 ` Paul Eggert
2004-04-08 11:07 ` Jim Meyering
2004-04-08 19:32 ` Paul Eggert
2004-04-08 19:51 ` Paul Jarc
2004-04-08 21:34 ` Jim Meyering
2004-04-08 16:23 ` Philippe Troin
2004-04-08 20:20 ` dd patch to remove noctty Paul Eggert
2004-04-08 21:40 ` Jim Meyering
2004-04-09 0:37 ` dd PATCH: add conv=direct Anton Blanchard
2004-04-09 1:42 ` Wim Coekaerts
2004-04-10 21:28 ` Jim Meyering
2004-04-07 20:46 ` Paul Eggert
2004-04-07 21:06 ` Andrew Morton
2004-04-07 21:09 ` Andy Isaacson
2004-04-07 19:12 ` Miquel van Smoorenburg
2004-04-07 20:14 ` Andy Isaacson
2004-04-07 22:02 ` Nathan Straz
2004-04-07 22:09 ` Andy Isaacson
2004-04-08 11:44 ` Miquel van Smoorenburg
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