Extern or forward variable declaration at include/linux/blkdev.h, line 1745 References: block/bio-integrity.c, line 159 block/bio-integrity.c, line 201 block/bio-integrity.c, line 321 block/bio-integrity.c, line 347 block/bio-integrity.c, line 373 block/bio-integrity.c, line 389 block/blk-integrity.c, line 123 block/blk-integrity.c, line 124 block/blk-integrity.c, line 217 block/blk-integrity.c, line 218 block/blk-integrity.c, line 225 block/blk-integrity.c, line 237 block/blk-integrity.c, line 248 block/blk-integrity.c, line 256 block/blk-integrity.c, line 261 block/blk-integrity.c, line 267 block/blk-integrity.c, line 281 block/blk-integrity.c, line 286 block/blk-integrity.c, line 300 block/blk-integrity.c, line 305 block/blk-integrity.c, line 397 block/blk-integrity.c, line 399 block/blk-integrity.c, line 429 drivers/md/dm-crypt.c, line 1164 drivers/md/dm-integrity.c, line 3510 drivers/md/md.c, line 2366 drivers/nvdimm/core.c, line 554 drivers/nvme/host/core.c, line 1617 drivers/nvme/host/rdma.c, line 1402 drivers/nvme/host/rdma.c, line 1420 drivers/nvme/target/io-cmd-bdev.c, line 60 drivers/nvme/target/io-cmd-bdev.c, line 182 drivers/nvme/target/rdma.c, line 576 drivers/nvme/target/rdma.c, line 600 drivers/scsi/sd_dif.c, line 32 drivers/scsi/virtio_scsi.c, line 523 drivers/target/target_core_iblock.c, line 83 drivers/target/target_core_iblock.c, line 665 include/linux/blkdev.h, line 430 include/linux/blkdev.h, line 1661 include/linux/blkdev.h, line 1668 include/linux/blkdev.h, line 1670 include/linux/blkdev.h, line 1679 include/linux/blkdev.h, line 1717 include/linux/blkdev.h, line 1723 include/linux/blkdev.h, line 1745 include/linux/blkdev.h, line 1762 include/linux/blkdev.h, line 1766 include/linux/blkdev.h, line 1780 include/linux/blkdev.h, line 1795 include/linux/blkdev.h, line 1801