hollalinux
/
linux-sg2042
mirror of https://github.com/sophgo/linux-riscv.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

io_uring: break links for failed defer 

If io_req_defer() failed, it needs to cancel a dependant link.

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Pavel Begunkov 2019-11-19 23:32:48 +03:00 committed by Jens Axboe
parent b2e9c7d64b
commit d3b35796b1
1 changed files with 4 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
fs/io_uring.c
View File

@ -2958,6 +2958,8 @@ static void io_queue_sqe(struct io_kiocb *req)
if (ret) {
if (ret != -EIOCBQUEUED) {
io_cqring_add_event(req, ret);
if (req->flags & REQ_F_LINK)
req->flags |= REQ_F_FAIL_LINK;
io_double_put_req(req);
}
} else
@ -2990,6 +2992,8 @@ static void io_queue_link_head(struct io_kiocb *req, struct io_kiocb *shadow)
if (ret != -EIOCBQUEUED) {
err:
io_cqring_add_event(req, ret);
if (req->flags & REQ_F_LINK)
req->flags |= REQ_F_FAIL_LINK;
io_double_put_req(req);
if (shadow)
__io_free_req(shadow);