Commit 16340eab authored by Pavel Begunkov's avatar Pavel Begunkov Committed by Jens Axboe
Browse files

io_uring: update sqe layout build checks 



Add missing BUILD_BUG_SQE_ELEM() for ->buf_group verifying that SQE
layout doesn't change.

Signed-off-by: default avatarPavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/1f9d21bd74599b856b3a632be4c23ffa184a3ef0.1624543113.git.asml.silence@gmail.com


Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent fe7e3257

fs/io_uring.c

+2 −0
Original line number Diff line number Diff line
@@ -10267,6 +10267,7 @@ static int __init io_uring_init(void) 
	BUILD_BUG_SQE_ELEM(28, __u32,  splice_flags);

	BUILD_BUG_SQE_ELEM(32, __u64,  user_data);

	BUILD_BUG_SQE_ELEM(40, __u16,  buf_index);

	BUILD_BUG_SQE_ELEM(40, __u16,  buf_group);

	BUILD_BUG_SQE_ELEM(42, __u16,  personality);

	BUILD_BUG_SQE_ELEM(44, __s32,  splice_fd_in);
@@ -10279,6 +10280,7 @@ static int __init io_uring_init(void) 


	BUILD_BUG_ON(ARRAY_SIZE(io_op_defs) != IORING_OP_LAST);

	BUILD_BUG_ON(__REQ_F_LAST_BIT >= 8 * sizeof(int));



	req_cachep = KMEM_CACHE(io_kiocb, SLAB_HWCACHE_ALIGN | SLAB_PANIC |

				SLAB_ACCOUNT);

	return 0;