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(parent: b23c6ae) | patch
io_uring: use io-wq manager as backup task if task is exiting
authorJens Axboe <axboe@kernel.dk>
Fri, 3 Apr 2020 17:26:26 +0000 (11:26 -0600)
committerJens Axboe <axboe@kernel.dk>
Fri, 3 Apr 2020 17:35:57 +0000 (11:35 -0600)
commite87d0ed129fa1b584d0375bb5fc2df71faf13a8b
treea3ba2c7171210464132794274827829d17dd15b4tree | snapshot
parentb23c6ae011586b22d5c682c139823fcaa578bd93commit | diff
io_uring: use io-wq manager as backup task if task is exiting

If the original task is (or has) exited, then the task work will not get
queued properly. Allow for using the io-wq manager task to queue this
work for execution, and ensure that the io-wq manager notices and runs
this work if woken up (or exiting).

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