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From: gmate.amit@gmail.com (Kumar amit mehta)
To: kernelnewbies@lists.kernelnewbies.org
Subject: Direct IO and Page cache
Date: Fri, 26 Jul 2013 02:04:06 -0400	[thread overview]
Message-ID: <20130726060406.GE8707@gmail.com> (raw)
In-Reply-To: <CAK-9PRAmHOdpKeWFFKhrE98qz70zO2TO89DqdnOAD4BmHtEcSw@mail.gmail.com>

On Fri, Jul 26, 2013 at 06:31:34PM +0800, Chinmay V S wrote:
> 1. Do not worry about coherency between the page-cache and the data
> transferred using O_DIRECT. The kernel will invalidate the cache after
> an O_DIRECT write and flush the cache before an O_DIRECT read.

Thank you. Grey skies are clearing up now.

!!amit

  reply	other threads:[~2013-07-26  6:04 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-07-26  3:15 Direct IO and Page cache Kumar amit mehta
2013-07-26  9:14 ` Chinmay V S
2013-07-26  4:02   ` Kumar amit mehta
2013-07-26 10:21     ` Chinmay V S
2013-07-26 10:31       ` Chinmay V S
2013-07-26  6:04         ` Kumar amit mehta [this message]
2013-07-26 14:59     ` Valdis.Kletnieks at vt.edu
2013-07-26 15:52       ` Kumar amit mehta
2013-07-26 14:56 ` Valdis.Kletnieks at vt.edu

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