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Date: Mon, 15 Sep 2014 16:12:26 -0700 From: Andy Grover <agrover@...hat.com> To: target-devel@...r.kernel.org Cc: linux-scsi@...r.kernel.org, hch@....de, nab@...ux-iscsi.org, shli@...nel.org, linux-kernel@...r.kernel.org, rjones@...hat.com Subject: [PATCH 0/4] Userspace Passthrough backstore for LIO Hi all, Here is version three of the userspace passthrough backstore code I've been working on. I think it's ready to be considered for upstream. If you are wondering what this is, patch 3 is documentation that should explain, at both a high- and low-level. There are other pieces needed for this to work properly -- changes to targetcli and rtslib to easily configure the new backstore type, plus the user code that hooks up to the passthrough. I've written some code to do this, called tcmu-runner (https://github.com/agrover/tcmu-runner) but the userspace development naturally is hindered until the kernel code is accepted :) Changes since version 2: * Incorporate doc improvements from Richard W. M. Jones * Correct off-by-1 error in tcmu_get_blocks * execute_rw must be set in the sbc_ops passed to sbc_parse_cdb Thanks -- Andy Andy Grover (4): target: Remove unneeded check in sbc_parse_cdb uio: Export definition of struct uio_device target: Add documentation on the target userspace pass-through driver target: Add a user-passthrough backstore Documentation/target/tcmu-design.txt | 239 +++++++ drivers/target/Kconfig | 5 + drivers/target/Makefile | 1 + drivers/target/target_core_sbc.c | 2 +- drivers/target/target_core_transport.c | 4 + drivers/target/target_core_user.c | 1169 ++++++++++++++++++++++++++++++++ drivers/uio/uio.c | 12 - include/linux/uio_driver.h | 12 +- include/uapi/linux/Kbuild | 1 + include/uapi/linux/target_core_user.h | 142 ++++ 10 files changed, 1573 insertions(+), 14 deletions(-) create mode 100644 Documentation/target/tcmu-design.txt create mode 100644 drivers/target/target_core_user.c create mode 100644 include/uapi/linux/target_core_user.h -- 1.9.3 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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