Annotation of wikisrc/projects/project/simplify-ffs.mdwn, revision 1.3

1.1       jmmv        1: [[!template id=project
                      2: 
1.3     ! dholland    3: title="Simpler, extent-based FFS"
1.1       jmmv        4: 
                      5: contact="""
                      6: [tech-kern](mailto:tech-kern@NetBSD.org)
                      7: """
                      8: 
                      9: category="filesystems"
1.2       jmmv       10: difficulty="hard"
1.1       jmmv       11: duration="8-12 months"
                     12: 
                     13: description="""
                     14: Remove the residual geometry code and datastructures from FFS (keep some kind of
                     15: allocation groups but without most of what cylinder groups now have) and replace
                     16: blocks and fragments with extents, yielding a much simpler filesystem well
1.3     ! dholland   17: suited for modern disks.
        !            18: 
        !            19: Note that this results in a different on-disk format and will need to be a different file system type.
        !            20: 
        !            21: The result would be potentially useful to other operating systems beyond just
        !            22: NetBSD, since UFS/FFS is used in so many different kernels.
        !            23: 
1.1       jmmv       24: """
                     25: ]]

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