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authorJens Axboe <axboe@kernel.dk>2022-09-28 18:49:28 +0300
committerJens Axboe <axboe@kernel.dk>2022-09-29 04:27:11 +0300
commitd59bd748db0a97a5d6a33b284b6c58b7f6f4f768 (patch)
tree90598965f64b482935193f09ce422d922dc8fd2b /io_uring
parent7cae596bc31f900bb72492ff40c7f5addf72fa19 (diff)
downloadlinux-d59bd748db0a97a5d6a33b284b6c58b7f6f4f768.tar.xz
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>
Diffstat (limited to 'io_uring')
-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 d5bad0bea6e4..0d9f49c575e0 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;