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(parent: 6405b46) | patch
io_uring: SQPOLL stop error handling fixes
authorJens Axboe <axboe@kernel.dk>
Fri, 26 Feb 2021 18:27:15 +0000 (11:27 -0700)
committerJens Axboe <axboe@kernel.dk>
Thu, 4 Mar 2021 13:34:01 +0000 (06:34 -0700)
commitf42da8fefe9d019f9c670ab035b8e752e0353dfc
tree7e0a81ee742bbba6d10c031a26d7ecbfd8f2ec5dtree | snapshot
parent6405b466a93b3ab68515713a1862aead6ba0e9f0commit | diff
io_uring: SQPOLL stop error handling fixes

If we fail to fork an SQPOLL worker, we can hit cancel, and hence
attempted thread stop, with the thread already being stopped. Ensure
we check for that.

Also guard thread stop fully by the sqd mutex, just like we do for
park.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
fs/io_uring.c diff | blob | history
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