> >> I am learning block device drivers and have a newbie question. Given > >> a block device, is there anyway that I could set its block size? For > >> example, I want to write a block device driver that will work on an > >> existing block device. In this driver, I want block size smaller. > >> (The idea looks confusing but I could explain if anybody is > >> interested :- ) However, typically the block size is 1KB, now I > >> want to set it to 512 or 256. Can I do it? 256 - no way if hardware can do only 512-byte writes. You need read-modify-write for this. -- vda -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/