et_checksum 56 fs/ext4/ext4_extents.h __le32 et_checksum; /* crc32c(uuid+inum+extent_block) */ et_checksum 69 fs/ext4/extents.c if (et->et_checksum != ext4_extent_block_csum(inode, eh)) et_checksum 83 fs/ext4/extents.c et->et_checksum = ext4_extent_block_csum(inode, eh);