LWN article: 4K disk sectors

[Eric Sandeen]

Michael Monnerie wrote:
> http://lwn.net/SubscriberLink/322777/16380cde8af0a37e/
> 
> 4K disk sectors coming 2011, might be interesting for devs to prepare 
> supporting it.

Take a look at the mkfs.xfs man page:

       -s sector_size
              This option specifies the fundamental  sector  size  of
              the filesystem.  The sector_size is specified either as
              a value in bytes with size=value or as a base two loga-
              rithm value with log=value.  The default sector_size is
              512 bytes. The minimum value for sector  size  is  512;
              the  maximum is 32768 (32 KiB). The sector_size must be
              a power of 2 size and cannot be made  larger  than  the
              filesystem block size.

-Eric