From: Christoph Hellwig <hch@infradead.org>
To: Ross Biro <rossb@google.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Patch FIOFLUSH
Date: Wed, 21 May 2003 18:38:14 +0100 [thread overview]
Message-ID: <20030521183814.A1291@infradead.org> (raw)
In-Reply-To: <3ECBB723.7070707@google.com>; from rossb@google.com on Wed, May 21, 2003 at 10:28:03AM -0700
On Wed, May 21, 2003 at 10:28:03AM -0700, Ross Biro wrote:
>
> Here's a patch against 2.4.18 that allows user space to flush a file
> from both the buffer cache and the page cache. The reason for flushing
> a file from the caches is to the read the file again to verify it made
> it to more permanent storage correctly. Someone may want to add
> similiar code to 2.5.
This came up at SGI some time ago and the right solution is _not_ a new
ioctl but fadvise(..., POSIX_FADV_DONTNEED). I'll submit a clean backport
once 2.4.21 is out (if that will ever happen)
next prev parent reply other threads:[~2003-05-21 17:25 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-05-21 17:28 Ross Biro
2003-05-21 17:38 ` Christoph Hellwig [this message]
2003-05-21 17:44 ` Marc-Christian Petersen
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