Re: ext4 features

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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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