aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--drivers/block/ublk_drv.c12
1 files changed, 10 insertions, 2 deletions
diff --git a/drivers/block/ublk_drv.c b/drivers/block/ublk_drv.c
index 6a4a94b4cdf4..c39b67d7133d 100644
--- a/drivers/block/ublk_drv.c
+++ b/drivers/block/ublk_drv.c
@@ -645,14 +645,22 @@ static inline void __ublk_rq_task_work(struct request *req)
struct ublk_device *ub = ubq->dev;
int tag = req->tag;
struct ublk_io *io = &ubq->ios[tag];
- bool task_exiting = current != ubq->ubq_daemon || ubq_daemon_is_dying(ubq);
unsigned int mapped_bytes;
pr_devel("%s: complete: op %d, qid %d tag %d io_flags %x addr %llx\n",
__func__, io->cmd->cmd_op, ubq->q_id, req->tag, io->flags,
ublk_get_iod(ubq, req->tag)->addr);
- if (unlikely(task_exiting)) {
+ /*
+ * Task is exiting if either:
+ *
+ * (1) current != ubq_daemon.
+ * io_uring_cmd_complete_in_task() tries to run task_work
+ * in a workqueue if ubq_daemon(cmd's task) is PF_EXITING.
+ *
+ * (2) current->flags & PF_EXITING.
+ */
+ if (unlikely(current != ubq->ubq_daemon || current->flags & PF_EXITING)) {
blk_mq_end_request(req, BLK_STS_IOERR);
mod_delayed_work(system_wq, &ub->monitor_work, 0);
return;