Macro (un)definition at include/linux/blkdev.h, line 132 References: block/blk-core.c, line 1793 block/blk-core.c, line 1820 drivers/md/dm.c, line 761 drivers/md/dm.c, line 1485 drivers/memstick/core/mspro_block.c, line 812 drivers/message/i2o/i2o_block.c, line 384 drivers/mmc/card/queue.c, line 39 drivers/scsi/scsi_lib.c, line 88 drivers/scsi/scsi_lib.c, line 1197 include/linux/blkdev.h, line 132