io-wq: fix queue stalling race

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We need to set the stalled bit early, before we drop the lock for adding
us to the stall hash queue. If not, then we can race with new work being
queued between adding us to the stall hash and io_worker_handle_work()
marking us stalled.

Signed-off-by: Jens Axboe <axboe@kernel.dk>

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Jens Axboe 2021-08-31 13:53:00 -06:00

parent b8ce1b9d25

commit 0242f6426e

1 changed files with 7 additions and 8 deletions

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fs/io-wq.c

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