io-wq: ensure work->task_pid is cleared on init
We use ->task_pid for exit cancellation, but we need to ensure it's
cleared to zero for io_req_work_grab_env() to do the right thing. Take
a suggestion from Bart and clear the whole thing, just setting the
function passed in. This makes it more future proof as well.
Fixes: 36282881a795 ("io-wq: add io_wq_cancel_pid() to cancel based on a specific pid")
Signed-off-by: Jens Axboe <axboe@kernel.dk>
diff --git a/fs/io-wq.h b/fs/io-wq.h
index ccc7d84..33baba4 100644
--- a/fs/io-wq.h
+++ b/fs/io-wq.h
@@ -79,16 +79,10 @@ struct io_wq_work {
pid_t task_pid;
};
-#define INIT_IO_WORK(work, _func) \
- do { \
- (work)->list.next = NULL; \
- (work)->func = _func; \
- (work)->files = NULL; \
- (work)->mm = NULL; \
- (work)->creds = NULL; \
- (work)->fs = NULL; \
- (work)->flags = 0; \
- } while (0) \
+#define INIT_IO_WORK(work, _func) \
+ do { \
+ *(work) = (struct io_wq_work){ .func = _func }; \
+ } while (0) \
typedef void (get_work_fn)(struct io_wq_work *);
typedef void (put_work_fn)(struct io_wq_work *);