Messages in this thread | | | Date | Tue, 13 Jul 2004 14:53:21 +0200 | From | Oswald Buddenhagen <> | Subject | Re: kconfig's file handling (was: XFS: how to NOT null files on fsck?) |
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On Tue, Jul 13, 2004 at 02:31:43PM +0200, Waldo Bastian wrote: > There is nothing to fix, we already use a tempfile + rename, it's in > KSaveFile since 1999. > oh, indeed. i didn't dig deep enough. sorry for the noise. the symlink case is handled differently, though (and it falls back to in-place rewriting too early - the symlink target could be potentially handled without in-place rewriting as well). consequently the paragraph about in-place rewriting is valid, even if it is only a border case.
another thing to consider is a complete audit of kde regarding the creation of files; i'm sure not everybody uses KSaveFile or equivalent code. no, i don't volunteer. :}
> As far as I can see the problem is that the filesystem writes out the > meta data before the actual file data hits the disk which creates a > period of time in which the on-disk state of the filesystem contains > trashed files. > yup
> I believe ReiserFS actually has an option to do things in a sane order > so that it doesn't trash recently used files on an unclean shutdown. > not only reiserfs.
> The sentiment among filesystem developers seem to be that they don't > care if they trash files as long as the filesystem itself remains in a > consistent state. This kind of dataloss is the result of that > attitude, either go complain with them if it bothers you, or use a > filesystem that does it right. > the code is there, the additional integrity just doesn't come for free, so it's disabled by default.
greetings
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