Curt Wohlgemuth wrote: > I apologize if this is a dumb question, but I'm having trouble > understanding the huge_file superblock flag. > > I see how, if this flag is set, that the inode can have a size > 2**32 > bytes, using the i_size_lo/i_size_high fields. > > But since an ext4_extent only uses 32-bits for for its ee_block field > to represent the logical block, how can an extent describe any block > range of a file past the 4GiB boundary? > > Am I missing something? i_size_lo/hi is in bytes, ee_block is in .... blocks. so 2^32 blocks is a lot more than 2^32 bytes, and i_size_hi/lo are needed to contain it. I think. :) -Eric -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
