Commit 92ade52f authored by Bui Quang Minh's avatar Bui Quang Minh Committed by Jens Axboe
Browse files

io_uring: add missing IORING_MAP_OFF_ZCRX_REGION in io_uring_mmap 



Allow user to mmap the kernel allocated zerocopy-rx refill queue.

Signed-off-by: default avatarBui Quang Minh <minhquangbui99@gmail.com>
Reviewed-by: default avatarPavel Begunkov <asml.silence@gmail.com>
Reviewed-by: default avatarLi Zetao <lizetao1@huawei.com>
Link: https://lore.kernel.org/r/20250221085933.26034-1-minhquangbui99@gmail.com


Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent 0d2cdc35

io_uring/memmap.c

+2 −0
Original line number Diff line number Diff line
@@ -271,6 +271,8 @@ static struct io_mapped_region *io_mmap_get_region(struct io_ring_ctx *ctx, 
		return io_pbuf_get_region(ctx, bgid);

	case IORING_MAP_OFF_PARAM_REGION:

		return &ctx->param_region;

	case IORING_MAP_OFF_ZCRX_REGION:

		return &ctx->zcrx_region;

	}

	return NULL;

}