Extern or forward variable declaration at include/linux/device-mapper.h, line 17 References: drivers/md/dm-cache-target.c, line 388 drivers/md/dm-cache-target.c, line 393 drivers/md/dm-cache-target.c, line 398 drivers/md/dm-cache-target.c, line 2038 drivers/md/dm-cache-target.c, line 2077 drivers/md/dm-cache-target.c, line 2079 drivers/md/dm-cache-target.c, line 2082 drivers/md/dm-cache-target.c, line 2447 drivers/md/dm-clone-target.c, line 73 drivers/md/dm-clone-target.c, line 74 drivers/md/dm-clone-target.c, line 75 drivers/md/dm-clone-target.c, line 1478 drivers/md/dm-clone-target.c, line 2057 drivers/md/dm-clone-target.c, line 2058 drivers/md/dm-crypt.c, line 134 drivers/md/dm-delay.c, line 21 drivers/md/dm-dust.c, line 23 drivers/md/dm-dust.c, line 465 drivers/md/dm-era-target.c, line 1142 drivers/md/dm-era-target.c, line 1143 drivers/md/dm-era-target.c, line 1378 drivers/md/dm-era-target.c, line 1662 drivers/md/dm-exception-store.h, line 133 drivers/md/dm-exception-store.h, line 134 drivers/md/dm-flakey.c, line 26 drivers/md/dm-integrity.c, line 150 drivers/md/dm-integrity.c, line 151 drivers/md/dm-ioctl.c, line 1486 drivers/md/dm-linear.c, line 22 drivers/md/dm-linear.c, line 125 drivers/md/dm-log-userspace-base.c, line 38 drivers/md/dm-log-writes.c, line 103 drivers/md/dm-log-writes.c, line 104 drivers/md/dm-log-writes.c, line 844 drivers/md/dm-log.c, line 247 drivers/md/dm-log.c, line 365 drivers/md/dm-log.c, line 546 drivers/md/dm-mpath.c, line 1335 drivers/md/dm-mpath.c, line 1824 drivers/md/dm-raid.c, line 53 drivers/md/dm-raid.c, line 54 drivers/md/dm-raid.c, line 246 drivers/md/dm-raid.c, line 3497 drivers/md/dm-raid1.c, line 49 drivers/md/dm-snap.c, line 51 drivers/md/dm-snap.c, line 52 drivers/md/dm-snap.c, line 171 drivers/md/dm-snap.c, line 177 drivers/md/dm-snap.c, line 325 drivers/md/dm-snap.c, line 1576 drivers/md/dm-snap.c, line 2541 drivers/md/dm-stripe.c, line 22 drivers/md/dm-switch.c, line 31 drivers/md/dm-table.c, line 225 drivers/md/dm-table.c, line 226 drivers/md/dm-table.c, line 270 drivers/md/dm-table.c, line 279 drivers/md/dm-table.c, line 387 drivers/md/dm-table.c, line 389 drivers/md/dm-table.c, line 391 drivers/md/dm-table.c, line 392 drivers/md/dm-table.c, line 396 drivers/md/dm-table.c, line 427 drivers/md/dm-table.c, line 446 drivers/md/dm-table.c, line 455 drivers/md/dm-table.c, line 455 drivers/md/dm-table.c, line 462 drivers/md/dm-table.c, line 467 drivers/md/dm-table.c, line 499 drivers/md/dm-table.c, line 506 drivers/md/dm-table.c, line 882 drivers/md/dm-table.c, line 892 drivers/md/dm-table.c, line 926 drivers/md/dm-table.c, line 1214 drivers/md/dm-table.c, line 1383 drivers/md/dm-table.c, line 1419 drivers/md/dm-table.c, line 1449 drivers/md/dm-table.c, line 1631 drivers/md/dm-table.c, line 1669 drivers/md/dm-table.c, line 1699 drivers/md/dm-table.c, line 1707 drivers/md/dm-table.c, line 1732 drivers/md/dm-table.c, line 1746 drivers/md/dm-table.c, line 1773 drivers/md/dm-table.c, line 1800 drivers/md/dm-table.c, line 1834 drivers/md/dm-table.c, line 1862 drivers/md/dm-table.c, line 2095 drivers/md/dm-table.c, line 2103 drivers/md/dm-thin.c, line 324 drivers/md/dm-thin.c, line 325 drivers/md/dm-thin.c, line 338 drivers/md/dm-thin.c, line 339 drivers/md/dm-thin.c, line 1319 drivers/md/dm-thin.c, line 3266 drivers/md/dm-thin.c, line 3269 drivers/md/dm-thin.c, line 4151 drivers/md/dm-unstripe.c, line 12 drivers/md/dm-verity-fec.h, line 36 drivers/md/dm-verity.h, line 34 drivers/md/dm-verity.h, line 35 drivers/md/dm-writecache.c, line 137 drivers/md/dm-writecache.c, line 138 drivers/md/dm-writecache.c, line 426 drivers/md/dm-writecache.c, line 504 drivers/md/dm-zoned-target.c, line 41 drivers/md/dm.c, line 158 drivers/md/dm.c, line 158 drivers/md/dm.c, line 749 drivers/md/dm.c, line 751 drivers/md/dm.c, line 757 drivers/md/dm.c, line 761 drivers/md/dm.c, line 762 drivers/md/dm.c, line 771 drivers/md/dm.c, line 774 drivers/md/dm.c, line 775 drivers/md/dm.c, line 775 drivers/md/dm.c, line 776 drivers/md/dm.c, line 777 drivers/md/dm.c, line 778 drivers/md/dm.c, line 787 drivers/md/dm.c, line 787 drivers/md/dm.c, line 794 drivers/md/dm.c, line 808 drivers/md/dm.c, line 809 drivers/md/dm.c, line 817 drivers/md/dm.c, line 826 drivers/md/dm.c, line 831 drivers/md/dm.c, line 833 drivers/md/dm.c, line 853 drivers/md/dm.c, line 3078 drivers/md/dm.h, line 43 drivers/md/dm.h, line 43 drivers/md/dm.h, line 77 drivers/md/dm.h, line 186 drivers/md/dm.h, line 187 include/linux/device-mapper.h, line 17 include/linux/device-mapper.h, line 111 include/linux/device-mapper.h, line 147 include/linux/device-mapper.h, line 161 include/linux/device-mapper.h, line 162