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> Ascending block numbers on disk can be read very fast, as the disk needs no or > less seeking. That's even true for stripes and mirrors. (I grant you that > there are complicated setups out there, but these could be handled similar.) > btw this all really spells out that you may want to do this as a device mapper thing; eg have a device mapper module that can do "lookaside" to a different order/mirror block whatever. The filesystem just doesn't want to know; do it at the DM level ;) That also solves the entire caching layering problem etc ;) - 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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