>i've copied the ext2 file system code, and changed its name in >init function but when i try to mount some fs with the new name it >is saying that it is not supporting, You didn't mention loading the filesystem driver. You did, didn't you? Any error messages (kernel messages) issued? Before bringing mount into the picture, look at /proc/filesystems. If your new filesystem type name doesn't show up in the list, you're already broken. -- Bryan Henderson IBM Almaden Research Center San Jose CA Filesystems -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/