On Mon, Feb 24, 2025 at 01:31:14PM -0800, Keith Busch wrote: > From: Keith Busch <kbusch@xxxxxxxxxx> > > Provide new operations for the user to request mapping an active request > to an io uring instance's buf_table. The user has to provide the index > it wants to install the buffer. > > A reference count is taken on the request to ensure it can't be > completed while it is active in a ring's buf_table. > > Signed-off-by: Keith Busch <kbusch@xxxxxxxxxx> > --- Looks IO_LINK doesn't work, and UNREG_BUF cqe can be received from userspace. It is triggered reliably in the ublk selftests(test_loop_03.sh) I just post out: https://lore.kernel.org/linux-block/20250226081136.2410001-4-ming.lei@xxxxxxxxxx/T/#m3adfecbfa33de9f9f728ccb4ab1185091be34797 Thanks, Ming
