ext2_setattr() drops the inode_setattr() return value on the floor.  This is
very bad - I/O errors during truncate are lost.

The patch changes ext2_setattr() so that we no longer call ext2_acl_chmod() if
inode_setattr(), which is what ext3 does.
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>