Commit 697b2876 authored by Pavel Begunkov's avatar Pavel Begunkov Committed by Jens Axboe
Browse files

io_uring: add req flag invariant build assertion 



We're caching some of file related request flags in a tricky way, put
a build check to make sure flags don't get reshuffled.

Signed-off-by: default avatarPavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/9877577b83c25dd78224a8274f799187e7ec7639.1743407551.git.asml.silence@gmail.com


Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent f28a71bc

io_uring/io_uring.c

+2 −0
Original line number Diff line number Diff line
@@ -1643,6 +1643,8 @@ io_req_flags_t io_file_get_flags(struct file *file) 
{

	io_req_flags_t res = 0;



	BUILD_BUG_ON(REQ_F_ISREG_BIT != REQ_F_SUPPORT_NOWAIT_BIT + 1);



	if (S_ISREG(file_inode(file)->i_mode))

		res |= REQ_F_ISREG;

	if ((file->f_flags & O_NONBLOCK) || (file->f_mode & FMODE_NOWAIT))