JBD2_CRC32C_CHKSUM 126 fs/jbd2/journal.c return sb->s_checksum_type == JBD2_CRC32C_CHKSUM; JBD2_CRC32C_CHKSUM 1909 fs/jbd2/journal.c sb->s_checksum_type = JBD2_CRC32C_CHKSUM;