how to increase this block fixed size

Hi All,

I coded block driver for SD protocol.

After tested, i found that file system give only 4k to my block_request.

Can anybody known, how to increase this block fixed size.
7
Whether it is possible.

I am using Federo7 (2.6.21 kernel).

Thanks
Sundar

The filesystem block size is set when the filesystem is initially formatted. If you want to change the block size then I believe you will have to reformat and set the block size as a parameter to mkfs.<filesystem>.