Messages in this thread | | | Date | Fri, 29 Apr 2005 08:25:17 +0100 (BST) | From | Anton Altaparmakov <> | Subject | Re: [Question] Does the kernel ignore errors writng to disk? |
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On Thu, 28 Apr 2005, Bryan Henderson wrote: > >O_SYNC doesn't work completely on several file systems and only on the > >latest kernels with some of the common ones. > > Hmmm. You didn't mention such a restriction when you suggested fsync() > before. Does fsync() work completely on these kernels where O_SYNC > doesn't? Considering that a simple implementation of O_SYNC just does the > equivalent of an fsync() inside every write(), that would be hard to > understand.
Some file systems implement their fsync() function as "return 0;" so no, you cannot rely on it at all.
Best regards,
Anton -- Anton Altaparmakov <aia21 at cam.ac.uk> (replace at with @) Unix Support, Computing Service, University of Cambridge, CB2 3QH, UK Linux NTFS maintainer / IRC: #ntfs on irc.freenode.net WWW: http://linux-ntfs.sf.net/ & http://www-stu.christs.cam.ac.uk/~aia21/ - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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