diff mbox series

[RFC,v6,14/16] fuse: {uring} Handle IO_URING_F_TASK_DEAD

Message ID 20241122-fuse-uring-for-6-10-rfc4-v6-14-28e6cdd0e914@ddn.com (mailing list archive)
State New
Headers show
Series fuse: fuse-over-io-uring | expand

Commit Message

Bernd Schubert Nov. 21, 2024, 11:43 p.m. UTC 
The ring task is terminating, it not safe to still access
its resources. Also no need for further actions.

Signed-off-by: Bernd Schubert <bschubert@ddn.com>
---
 fs/fuse/dev_uring.c | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/fs/fuse/dev_uring.c b/fs/fuse/dev_uring.c
index 36ff1df1633880d66c23b13b425f70c6796c1c2c..d0f8f0932e1715babebbc715c1846a5052419eb9 100644
--- a/fs/fuse/dev_uring.c
+++ b/fs/fuse/dev_uring.c
@@ -1124,16 +1124,22 @@  fuse_uring_send_req_in_task(struct io_uring_cmd *cmd,
 
 	BUILD_BUG_ON(sizeof(pdu) > sizeof(cmd->pdu));
 
+	if (unlikely(issue_flags & IO_URING_F_TASK_DEAD)) {
+		err = -ECANCELED;
+		goto terminating;
+	}
+
 	err = fuse_uring_prepare_send(ring_ent);
 	if (err)
 		goto err;
 
-	io_uring_cmd_done(cmd, 0, 0, issue_flags);
-
+terminating:
 	spin_lock(&queue->lock);
 	ring_ent->state = FRRS_USERSPACE;
 	list_move(&ring_ent->list, &queue->ent_in_userspace);
 	spin_unlock(&queue->lock);
+	io_uring_cmd_done(cmd, err, 0, issue_flags);
+
 	return;
 err:
 	fuse_uring_next_fuse_req(ring_ent, queue);