aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorJens Axboe <axboe@kernel.dk>2022-09-28 09:49:28 -0600
committerJens Axboe <axboe@kernel.dk>2022-09-28 19:27:11 -0600
commitd59bd748db0a97a5d6a33b284b6c58b7f6f4f768 (patch)
tree90598965f64b482935193f09ce422d922dc8fd2b
parent7cae596bc31f900bb72492ff40c7f5addf72fa19 (diff)
downloadlinux-trace-d59bd748db0a97a5d6a33b284b6c58b7f6f4f768.tar.gz
io_uring/poll: disable level triggered poll
Stefan reports that there are issues with the level triggered notification. Since we're late in the cycle, and it was introduced for the 6.0 release, just disable it at prep time and we can bring this back when Samba is happy with it. Reported-by: Stefan Metzmacher <metze@samba.org> Reviewed-by: Stefan Metzmacher <metze@samba.org> Signed-off-by: Jens Axboe <axboe@kernel.dk>
-rw-r--r--io_uring/poll.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/io_uring/poll.c b/io_uring/poll.c
index d5bad0bea6e4b1..0d9f49c575e0f5 100644
--- a/io_uring/poll.c
+++ b/io_uring/poll.c
@@ -857,7 +857,7 @@ int io_poll_add_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe)
if (sqe->buf_index || sqe->off || sqe->addr)
return -EINVAL;
flags = READ_ONCE(sqe->len);
- if (flags & ~(IORING_POLL_ADD_MULTI|IORING_POLL_ADD_LEVEL))
+ if (flags & ~IORING_POLL_ADD_MULTI)
return -EINVAL;
if ((flags & IORING_POLL_ADD_MULTI) && (req->flags & REQ_F_CQE_SKIP))
return -EINVAL;