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| author |   Pavel Begunkov <asml.silence@gmail.com> | 2021-04-27 16:13:53 +0100 |
|---|---|---|
| committer |   Jens Axboe <axboe@kernel.dk> | 2021-04-29 13:26:18 -0600 |
| commit | b0d658ec88a695861c3fd78ef783c1181f81a6e2 (patch) | |
| tree | 0ba3afe3ae4ea956d3d7f620a31e8fab7fd13213 /fs | |
| parent | io_uring: dont overlap internal and user req flags (diff) | |
| download | linux-dev-b0d658ec88a695861c3fd78ef783c1181f81a6e2.tar.xz linux-dev-b0d658ec88a695861c3fd78ef783c1181f81a6e2.zip | |
io_uring: add more build check for uapi
Add a couple of BUILD_BUG_ON() checking some rsrc uapi structs and SQE
flags.
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/ff960df4d5026b9fb5bfd80994b9d3667d3926da.1619536280.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/io_uring.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/fs/io_uring.c b/fs/io_uring.c index 2872f1db6458..aa5854cd3942 100644 --- a/fs/io_uring.c +++ b/fs/io_uring.c @@ -10134,6 +10134,13 @@ static int __init io_uring_init(void) BUILD_BUG_SQE_ELEM(42, __u16, personality); BUILD_BUG_SQE_ELEM(44, __s32, splice_fd_in); + BUILD_BUG_ON(sizeof(struct io_uring_files_update) != + sizeof(struct io_uring_rsrc_update)); + BUILD_BUG_ON(sizeof(struct io_uring_rsrc_update) > + sizeof(struct io_uring_rsrc_update2)); + /* should fit into one byte */ + BUILD_BUG_ON(SQE_VALID_FLAGS >= (1 << 8)); + 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 | |