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DateThu, 18 Mar 2004 07:47:58 +0100
FromJens Axboe <>
SubjectRe: True fsync() in Linux (on IDE)
On Wed, Mar 17 2004, Peter Zaitsev wrote:
> Hello,
> 
> I'm wondering is there any way in Linux to do proper fsync(), which
> makes sure data is written to the disk.
> 
> Currently on IDE devices one can see, fsync() only flushes data to the
> drive cache which is not enough for ACID guaranties database server must
> give. 
> 
> There is solution just to disable drive write cache, but it seems to
> slowdown performance way to much.

Chris and I have working real fsync() with the barrier patches. I'll
clean it up and post a patch for vanilla 2.6.5-rc today.

-- 
Jens Axboe

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