Files
linux/include/uapi/linux
Ming Lei 914e0dc508 ublk: run auto buf unregisgering in same io_ring_ctx with registering
UBLK_F_AUTO_BUF_REG requires that the buffer registered automatically
is unregistered in same `io_ring_ctx`, so check it explicitly.

Document this requirement for UBLK_F_AUTO_BUF_REG.

Drop WARN_ON_ONCE() which is triggered from userspace code path.

Fixes: 99c1e4eb6a ("ublk: register buffer to local io_uring with provided buf index via UBLK_F_AUTO_BUF_REG")
Reported-by: Caleb Sander Mateos <csander@purestorage.com>
Reviewed-by: Caleb Sander Mateos <csander@purestorage.com>
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Link: https://lore.kernel.org/r/20250522152043.399824-3-ming.lei@redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2025-05-22 10:03:55 -06:00
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