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(parent: 0fef948) | patch
io_uring: clear req->result on IOPOLL re-issue
authorJens Axboe <axboe@kernel.dk>
Thu, 27 Aug 2020 00:58:26 +0000 (18:58 -0600)
committerJens Axboe <axboe@kernel.dk>
Thu, 27 Aug 2020 00:58:26 +0000 (18:58 -0600)
commit56450c20fe10d4d93f58019109aa4e06fc0b9206
tree4fc098963f203c0bd0cfd04eb4f4454f7020d7c2tree | snapshot
parent0fef948363f62494d779cf9dc3c0a86ea1e5f7cdcommit | diff
io_uring: clear req->result on IOPOLL re-issue

Make sure we clear req->result, which was set to -EAGAIN for retry
purposes, when moving it to the reissue list. Otherwise we can end up
retrying a request more than once, which leads to weird results in
the io-wq handling (and other spots).

Cc: stable@vger.kernel.org
Reported-by: Andres Freund <andres@anarazel.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
fs/io_uring.c diff | blob | blame | history
Linux 6.x block layer and io_uring tree(s)