Re: ext4 features

Jeffrey V. Merkey
2006-07-04T19:35:20Z

Jeff Garzik wrote:

> Jeffrey V. Merkey wrote:
>
>> The old novell model is simple. When someone unlinks a file, don't
>> delete it, just mv it to another special directory called
>> DELETED.SAV. Then setup the
>> fs space allocation to reuse these files when the drive fills up by
>> oldest files first. It's very simple. Then you have a salvagable file
>> system.
>
>
> Such a scheme makes it much more difficult to allocate large,
> contiguous runs of free space for storing newly written data.
>
> Jeff

Possibly. Organize the files in DELETED.SAV by disk location and
date. Files don't have to adhere to a strict date recycling
process. Make it a mount
option if the user wants strict date recycling. Make the default to
choose between date and file sector locality.

Jeff

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