Hi Mingming, I found a trivial bug in Mingming's ext4 patch titled "ext4-extents-48bit.patch". There happens a type conflicting: +int ext4_ext_get_blocks(handle_t *handle, struct inode *inode, ext4_fsblk_t iblock, You should fix extern declaration for ext4_ext_get_blocks. Cheers, sho - 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