Hi, I'm learning the kernel of 0.12, and the function in inode.c:
static int _bmap(struct m_inode * inode,int block,int create)
{
struct buffer_head * bh;
int i;
if (block0)
panic(_bmap: block0);
if (block = 7+512+512*512)
On Sat, 02 Mar 2013 10:28:26 +0800, lx said:
if (block = 7+512+512*512) because the i_zone[9].
But the question is why the i_zone[7] can repesent 512 , and i_zone[8] can
repesent 512*512 ?
Sngle, double, and triple indirect blocks...
http://en.wikipedia.org/wiki/Inode_pointer_structure
