tech-kern archive

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Old Index]

Re: blocksizes

On Mon, Feb 01, 2010 at 10:59:37PM +0000, Michael van Elst wrote:
> It still wouldn't be perfect. Block size is one thing, block alignment
> the next. A filesystem with 1k blocks (filesystem units == clusters)
> has problems to work on disks with 2k blocks (device units == sectors).
> The only solution is expensive buffering and read-modify-write updates.

Aren't we in fact going to run into this with 512-byte FFS fragments
and disks with 4K sectors?

Home | Main Index | Thread Index | Old Index