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(parent: 660c329) | patch
io_uring: retry poll if we got woken with non-matching mask
authorJens Axboe <axboe@kernel.dk>
Fri, 3 Apr 2020 17:10:14 +0000 (11:10 -0600)
committerJens Axboe <axboe@kernel.dk>
Fri, 3 Apr 2020 17:35:48 +0000 (11:35 -0600)
commite3c320fec50997681aba633443c54b8a5d2bfb7c
treea672727c41cae975ace50616232c8b4964e3fb65tree | snapshot
parent660c3298df52124700d51cc228421d11ade064f4commit | diff
io_uring: retry poll if we got woken with non-matching mask

If we get woken and the poll doesn't match our mask, re-add the task
to the poll waitqueue and try again instead of completing the request
with a mask of 0.

Reported-by: Dan Melnic <dmm@fb.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
fs/io_uring.c diff | blob | history
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