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>christoph at linuxsoup.com wrote: > >> I am just catching up on some email, but this thread caught my >> interest. I have [not] looked into the ext3 code or read any of the papers, >> but I was always under the impression that the filesystem journal only >> stored a bitmask (table) of modified blocks. There shouldn't be any >> data in there. [I'm even further behind in reading my email...] ISTR that journaling filesystem can in general journal the data, but that really hurts performance, so most of them journal only the metadata. Jerry Feldman <gaf at blu.org> wrote: > >This is a Usenix paper on the subject: >http://wipe.sourceforge.net/secure_del.html A fascinating paper. No discussion of journaling filesystems, though. - Jim Van Zandt
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