io_uring: kill dead REQ_F_LINK_DONE flag

We had no more use for this flag after the conversion to io-wq, kill it
off.

Fixes: 561fb04a6a22 ("io_uring: replace workqueue usage with io-wq")
Signed-off-by: Jens Axboe <axboe@kernel.dk>

diff --git a/fs/io_uring.c b/fs/io_uring.c
index 4edc94a..cfdb51d 100644 (file)
--- a/fs/io_uring.c
+++ b/fs/io_uring.c
@@ -329,7 +329,6 @@ struct io_kiocb {
 #define REQ_F_IO_DRAIN         16      /* drain existing IO first */
 #define REQ_F_IO_DRAINED       32      /* drain done */
 #define REQ_F_LINK             64      /* linked sqes */
-#define REQ_F_LINK_DONE                128     /* linked sqes done */
 #define REQ_F_FAIL_LINK                256     /* fail rest of links */
 #define REQ_F_SHADOW_DRAIN     512     /* link-drain shadow req */
 #define REQ_F_TIMEOUT          1024    /* timeout request */
@@ -731,7 +730,6 @@ static void io_req_link_next(struct io_kiocb *req, struct io_kiocb **nxtptr)
                        nxt->flags |= REQ_F_LINK;
                }
 
-               nxt->flags |= REQ_F_LINK_DONE;
                /*
                 * If we're in async work, we can continue processing the chain
                 * in this context instead of having to queue up new async work.