req_set_fail_links() condition checking is bulky. Even though it's
always in a slow path, it's inlined and generates lots of extra code,
simplify it be moving HARDLINK checking into helpers killing linked
requests.
text data bss dec hex filename
before: 79318 12330 8 91656 16608 ./fs/io_uring.o
after: 79126 12330 8 91464 16548 ./fs/io_uring.o
Signed-off-by: Pavel Begunkov <asml.silence@xxxxxxxxx>
---
fs/io_uring.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/fs/io_uring.c b/fs/io_uring.c
index 4e6a6f6df6a2..2a465b6e90a4 100644
--- a/fs/io_uring.c
+++ b/fs/io_uring.c
@@ -1103,7 +1103,7 @@ static bool io_match_task(struct io_kiocb *head,
static inline void req_set_fail_links(struct io_kiocb *req)
{
- if ((req->flags & (REQ_F_LINK | REQ_F_HARDLINK)) == REQ_F_LINK)
+ if (req->flags & REQ_F_LINK)
req->flags |= REQ_F_FAIL_LINK;
}
@@ -1812,7 +1812,8 @@ static bool io_disarm_next(struct io_kiocb *req)
if (likely(req->flags & REQ_F_LINK_TIMEOUT))
posted = io_kill_linked_timeout(req);
- if (unlikely(req->flags & REQ_F_FAIL_LINK)) {
+ if (unlikely((req->flags & REQ_F_FAIL_LINK) &&
+ !(req->flags & REQ_F_HARDLINK))) {
posted |= (req->link != NULL);
io_fail_links(req);
}
--
2.24.0
