diff options
| author | Pavel Begunkov | 2021-08-15 10:40:20 +0100 |
|---|---|---|
| committer | Jens Axboe | 2021-08-23 13:10:37 -0600 |
| commit | fb6820998f57a3e63a382a322530fa28522a2bba (patch) | |
| tree | 8da5b64c08630d41d4b1943db4b6304e35e29569 /fs/io_uring.c | |
| parent | 761bcac1573efc99042d59add94d468bf17127f0 (diff) | |
io_uring: optimise initial ltimeout refcounting
Linked timeouts are never refcounted when it comes to the first call to
__io_prep_linked_timeout(), so save an io_ref_get() and set the desired
value directly.
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/177b24cc62ffbb42d915d6eb9e8876266e4c0d5a.1628981736.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'fs/io_uring.c')
| -rw-r--r-- | fs/io_uring.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/fs/io_uring.c b/fs/io_uring.c index 5b95ab661f31..005fc06f89b9 100644 --- a/fs/io_uring.c +++ b/fs/io_uring.c @@ -1312,8 +1312,7 @@ static struct io_kiocb *__io_prep_linked_timeout(struct io_kiocb *req) /* linked timeouts should have two refs once prep'ed */ io_req_set_refcount(req); - io_req_set_refcount(nxt); - req_ref_get(nxt); + __io_req_set_refcount(nxt, 2); nxt->timeout.head = req; nxt->flags |= REQ_F_LTIMEOUT_ACTIVE; |