diff options
Diffstat (limited to 'io_uring')
| -rw-r--r-- | io_uring/rw.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/io_uring/rw.c b/io_uring/rw.c index f5e0694538b9..f4d885b7c2d2 100644 --- a/io_uring/rw.c +++ b/io_uring/rw.c @@ -855,6 +855,14 @@ static int __io_read(struct io_kiocb *req, unsigned int issue_flags) ret = io_iter_do_read(rw, &io->iter); + /* + * Some file systems like to return -EOPNOTSUPP for an IOCB_NOWAIT + * issue, even though they should be returning -EAGAIN. To be safe, + * retry from blocking context for either. + */ + if (ret == -EOPNOTSUPP && force_nonblock) + ret = -EAGAIN; + if (ret == -EAGAIN || (req->flags & REQ_F_REISSUE)) { req->flags &= ~REQ_F_REISSUE; /* If we can poll, just do that. */ |