Description of problem: $ dd if=/dev/null of=sparse-file bs=1 count=0 seek=1T $ ./mkfs.gfs2 -t foo:bar sparse-file ../../gfs2/libgfs2/libgfs2.h: sparse-file is not a block device
Created attachment 512229 [details] Patch to handle regular files
Created attachment 512257 [details] Patch to handle regular files, v2
Patch v2 is now in gfs2-utils.git. Closing as UPSTREAM.