diff options
| author | Pavel Begunkov <asml.silence@gmail.com> | 2025-04-20 10:31:19 +0100 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2025-04-21 05:12:31 -0600 |
| commit | 632b3186726984319e2337987de86a442407f30e (patch) | |
| tree | dc80b88d3d3c1db924b3f58f8bc3353eff4460f0 /include/linux | |
| parent | 77231d4e46555d30289b1909c2a2f26bcf00f08c (diff) | |
io_uring/zcrx: move zcrx region to struct io_zcrx_ifq
Refill queue region is a part of zcrx and should stay in struct
io_zcrx_ifq. We can't have multiple queues without it, so move it there.
As a result there is no context global zcrx region anymore, and the
region is looked up together with its ifq. To protect a concurrent mmap
from seeing an inconsistent region we were protecting changes to
->zcrx_region with mmap_lock, but now it protect the publishing of the
ifq.
Reviewed-by: David Wei <dw@davidwei.uk>
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/24f1a728fc03d0166f16d099575457e10d9d90f2.1745141261.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/io_uring_types.h | 2 |
1 files changed, 0 insertions, 2 deletions
diff --git a/include/linux/io_uring_types.h b/include/linux/io_uring_types.h index 3b467879bca8..06d722289fc5 100644 --- a/include/linux/io_uring_types.h +++ b/include/linux/io_uring_types.h @@ -448,8 +448,6 @@ struct io_ring_ctx { struct io_mapped_region ring_region; /* used for optimised request parameter and wait argument passing */ struct io_mapped_region param_region; - /* just one zcrx per ring for now, will move to io_zcrx_ifq eventually */ - struct io_mapped_region zcrx_region; }; /* |