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SubjectRe: soft-update/async write file systems
On Mon, 23 Feb 1998, Theodore Y. Ts'o wrote:
> The only solution which I've thought of which avoids this problem is
> having a pseudo device, which orders writes by moving copying data
> between the pseudo-device (on which the filesystem is actually mouned),
> and the actual disk device, with the writes happening under the control
> of the pseudo-device. This chews up extra memory for the extra copies
> of the block buffers for the pseudo-device though. No hack is perfect.

I suggested something like this a few months back, and was dismissed out
of hand. Does this mean my idea wasn't completely insane after all?

The advantage of this method of course, is that it could work over any
filesystem, not just ext2.

-Dan


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