From 16340eab61a3ed1b5c983c19cfa9f51929b2beeb Mon Sep 17 00:00:00 2001 From: Pavel Begunkov Date: Thu, 24 Jun 2021 15:09:58 +0100 Subject: [PATCH] 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: Pavel Begunkov Link: https://lore.kernel.org/r/1f9d21bd74599b856b3a632be4c23ffa184a3ef0.1624543113.git.asml.silence@gmail.com Signed-off-by: Jens Axboe --- fs/io_uring.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/fs/io_uring.c b/fs/io_uring.c index 7639bf3627c8..fe543d639ab0 100644 --- a/fs/io_uring.c +++ b/fs/io_uring.c @@ -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; -- 2.11.0