Shaohua Li wrote an initial implementation of this, late last year[1]. Starting from that, I started working on some alternate implementation choices, and ended up with something rather different. Please take a look and let me know what you think. Patch 1 is a design and overview doc, and patch 2 is the actual code, along with implementation rationale. Thanks -- Andy [1] http://thread.gmane.org/gmane.linux.scsi.target.devel/5044 Andy Grover (2): target: Add documentation on the target userspace pass-through driver target: Add a user-passthrough backstore Documentation/target/tcmu-design.txt | 210 +++++++ drivers/target/Kconfig | 5 + drivers/target/Makefile | 1 + drivers/target/target_core_transport.c | 4 + drivers/target/target_core_user.c | 1078 ++++++++++++++++++++++++++++++++ drivers/target/target_core_user.h | 126 ++++ 6 files changed, 1424 insertions(+) create mode 100644 Documentation/target/tcmu-design.txt create mode 100644 drivers/target/target_core_user.c create mode 100644 drivers/target/target_core_user.h -- 1.9.3 -- To unsubscribe from this list: send the line "unsubscribe target-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html