Extern or forward variable declaration include/linux/dm-region-hash.h, line 34 [usage...] include/linux/sched.h, line 42 [usage...] Structure include/linux/bio.h, line 559 [usage...] Local variable drivers/md/dm-raid1.c, line 137 [usage...] drivers/md/raid10.c, line 991 [usage...] fs/btrfs/raid56.c, line 1086 [usage...] fs/btrfs/raid56.c, line 1207 [usage...] fs/btrfs/raid56.c, line 1532 [usage...] fs/btrfs/raid56.c, line 2077 [usage...] fs/btrfs/raid56.c, line 2380 [usage...] fs/btrfs/raid56.c, line 2634 [usage...] Class, struct, or union member drivers/block/xen-blkfront.c, line 218 [usage...] drivers/md/dm-zoned-target.c, line 34 [usage...] drivers/s390/block/dasd_diag.h, line 79 [usage...] fs/btrfs/raid56.c, line 84 [usage...] fs/direct-io.c, line 135 [usage...] include/linux/sched.h, line 1028 [usage...]