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io-wq: don't repeat IO_WQ_BIT_EXIT check by worker
authorPavel Begunkov <asml.silence@gmail.com>
Mon, 14 Jun 2021 01:36:16 +0000 (02:36 +0100)
committerJens Axboe <axboe@kernel.dk>
Mon, 14 Jun 2021 14:23:13 +0000 (08:23 -0600)
io_wqe_worker()'s main loop does check IO_WQ_BIT_EXIT flag, so no need
for a second test_bit at the end as it will immediately jump to the
first check afterwards.

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/d6af4a51c86523a527fb5417c9fbc775c4b26497.1623634181.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
fs/io-wq.c

index f058ea0..8c13e23 100644 (file)
@@ -559,8 +559,7 @@ loop:
                if (ret)
                        continue;
                /* timed out, exit unless we're the fixed worker */
-               if (test_bit(IO_WQ_BIT_EXIT, &wq->state) ||
-                   !(worker->flags & IO_WORKER_F_FIXED))
+               if (!(worker->flags & IO_WORKER_F_FIXED))
                        break;
        }