Messages in this thread | | | Subject | Re: Filling holes in ext2 | Date | Thu, 23 Aug 2001 18:47:54 +0100 (BST) | From | Alan Cox <> |
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> 3) lock the pages corresponding to the user buffer so that > __copy_from_user() cannot fail. > > I like the latter option, as it removes this abort case for ext3 and > could drastically simplify GFS.
Neat elegant and fundamentally close to impossible to implement without deadlocks.
There only seems to be a problem if prepare_write fills in the metadata. In such cases the fs I think does need to implement abort operations - 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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