about EXT3_SUPER_MAGIC

2010-11-13 Thread Onkar Mahajan
What is EXT3_SUPER_MAGIC ? How is it arrived at ? I am writing a file system for which I am referring to the ext3 code... I am not able to arrive at a magic number for my filesystem please help #define EXT3_SUPER_MAGIC0xEF53 How this is arrived at ? Regards, Onkar

Re: about EXT3_SUPER_MAGIC

2010-11-13 Thread arshad hussain
On 11/14/2010 9:59 AM, Onkar Mahajan wrote: What is EXT3_SUPER_MAGIC ? A signature for identification. How is it arrived at ? There is no formula for it. It can be anything. UFS has signature (magic) which is bill joy's birth date. I am writing a file system for which I am referring to the

Re: about EXT3_SUPER_MAGIC

2010-11-13 Thread Manish Katiyar
On Sat, Nov 13, 2010 at 8:29 PM, Onkar Mahajan kern.de...@gmail.com wrote: What is EXT3_SUPER_MAGIC ? How is it arrived at ? There is no formula... it is just an identifier. Most of the times it is the name of filesystem in hex. I am writing a file system for which I am referring to the ext3