hi, thanks you all, Rahul's suggestion really helps me. On 1/8/11, Rahul Deshmukh <rahul.deshmukh@gmail.com> wrote:
Hello,
I think you are looking for following:
fs/ext2/super.c:
init_ext2_fs()-> register_filesystem(&ext2_fs_type)-> ext2_get_sb()->ext2_fill_super()
For every file system in linux kernel, first it register itself with register_filesystem(). Here this call is called when ext2 module is loaded. Then when file system is mount it will call ext2_fill_super() which will read the on disk super block and load it into memory.
The on disk super block is written when user format the device with given file system.
I hope that will help.
- Rahul
On Fri, Jan 7, 2011 at 9:40 PM, Fu Kai <kapenware@gmail.com> wrote:
hi folks, I'm looking the source code about linux file system recently. I have scanned over ext2, and now I'm very curious about how does the kernel setup the ext2 up, but I couldn't locate the corresponding code. Could anybody give any advice for me?
Thanks, owr
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-- Thanks, Fu Kai