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[0/4] block integrity: direclty map user space addresses

Message ID 20231018151843.3542335-1-kbusch@meta.com (mailing list archive)
Headers show
Series block integrity: direclty map user space addresses | expand

Message

Keith Busch Oct. 18, 2023, 3:18 p.m. UTC 
From: Keith Busch <kbusch@kernel.org>

Handling passthrough metadata ("integrity") today introduces overhead
and complications that we can avoid if we just map user space addresses
directly. This patch series implements that.

Keith Busch (4):
  block: bio-integrity: add support for user buffers
  nvme: use bio_integrity_map_user
  iouring: remove IORING_URING_CMD_POLLED
  io_uring: remove uring_cmd cookie

 block/bio-integrity.c         |  67 +++++++++++++
 drivers/nvme/host/ioctl.c     | 174 ++++++----------------------------
 include/linux/bio.h           |   8 ++
 include/linux/io_uring.h      |   8 +-
 include/uapi/linux/io_uring.h |   2 -
 io_uring/uring_cmd.c          |   1 -
 6 files changed, 104 insertions(+), 156 deletions(-)

Comments

Christoph Hellwig Oct. 19, 2023, 5:34 a.m. UTC | #1 
s/direclty/directly/

in the subject.