On Wed, May 09, 2007 at 03:16:41PM +0400, Nikita Danilov wrote: > > I guess I miss something. If chunkfs maintains "at most one continuation > per chunk" invariant, then continuation inode might end up with multiple > byte ranges, and to check that they do not overlap one has to read > indirect blocks (or some equivalent data-structure). You're right about needing to read the equivalent data-structure - for other reasons, each continuation inode will need an easily accessible list of byte ranges covered by that inode. (Sounds like, hey, extents!) The important part is that you don't have go walk all the indirect blocks or check your bitmap. -VAL - To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html