tree 06abc2a4ff8d323b0358b768a71c7b651c3229f3
parent 2f99c36986ff27a86f06f27212c5f5fa8c7164a3
author Al Viro <viro@zeniv.linux.org.uk> 1332535005 -0400
committer Al Viro <viro@zeniv.linux.org.uk> 1333224196 -0400

new helper: ext2_image_size()

... implemented that way since the next commit will leave it
almost alone in ext2_fs.h - most of the file (including
struct ext2_super_block) is going to move to fs/ext2/ext2.h.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>