| commit | 32960613b7c3352ddf38c42596e28a16ae36335e | [log] [tgz] |
|---|---|---|
| author | Jens Axboe <axboe@kernel.dk> | Mon Sep 23 11:05:34 2019 -0600 |
| committer | Jens Axboe <axboe@kernel.dk> | Mon Sep 23 11:05:34 2019 -0600 |
| tree | 60748bfdf64056a50293f2b4c0641c3e728e6813 | |
| parent | 5262f567987d3c30052b22e78c35c2313d07b230 [diff] |
io_uring: correctly handle non ->{read,write}_iter() file_operations
Currently we just -EINVAL a read or write to an fd that isn't backed
by ->read_iter() or ->write_iter(). But we can handle them just fine,
as long as we punt fo async context first.
Implement a simple loop function for doing ->read() or ->write()
instead, and ensure we call it appropriately.
Reported-by: 李通洲 <carter.li@eoitek.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>