diff --git a/fs/io_uring.c b/fs/io_uring.c index 4ed5a7d97640d918d0a9c48f48d999b8a00e68b3..c3f0df489a57b27fa75048d238a1c00a9f248cd8 100644 --- a/fs/io_uring.c +++ b/fs/io_uring.c @@ -5076,6 +5076,18 @@ static int io_sq_thread(void *data) * to enter the kernel to reap and flush events. */ if (!to_submit || ret == -EBUSY) { + /* + * Drop cur_mm before scheduling, we can't hold it for + * long periods (or over schedule()). Do this before + * adding ourselves to the waitqueue, as the unuse/drop + * may sleep. + */ + if (cur_mm) { + unuse_mm(cur_mm); + mmput(cur_mm); + cur_mm = NULL; + } + /* * We're polling. If we're within the defined idle * period, then let us spin without work before going @@ -5090,18 +5102,6 @@ static int io_sq_thread(void *data) continue; } - /* - * Drop cur_mm before scheduling, we can't hold it for - * long periods (or over schedule()). Do this before - * adding ourselves to the waitqueue, as the unuse/drop - * may sleep. - */ - if (cur_mm) { - unuse_mm(cur_mm); - mmput(cur_mm); - cur_mm = NULL; - } - prepare_to_wait(&ctx->sqo_wait, &wait, TASK_INTERRUPTIBLE);