Messages in this thread |  | | Subject | Re: Dump corrupts ext2? | From | Doug McNaught <> | Date | 10 Oct 2001 19:55:16 -0400 |
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Andreas Dilger <adilger@turbolabs.com> writes:
> On Oct 10, 2001 19:11 -0400, Doug McNaught wrote: > > I'm pretty sure this is because dump reads the block device directly > > (which is cached in the buffer cache), while the file data for cached > > files lives in the page cache, and the two caches are no longer > > coherent (as of 2.4). > > In Linus kernels 2.4.11+ the block devices and filesystems all use the > page cache, so no more coherency issues.
You're right, of course. But for most of the lifetime of 2.4 the above was true...
> Also, I don't think this ever had the potential to corrupt the filesystem, > but maybe make a slightly bad backup.
Right, might corrupt the dump, but shouldn't hurt the filesystem.
-Doug -- Let us cross over the river, and rest under the shade of the trees. --T. J. Jackson, 1863 - 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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