nbd: factor out a helper to get nbd_config without holding 'config_lock'
There are no functional changes, just to make code cleaner and prepare to fix null-ptr-dereference while accessing 'nbd->config'. Signed-off-by:Li Nan <linan122@huawei.com> Reviewed-by:
Josef Bacik <josef@toxicpanda.com> Link: https://lore.kernel.org/r/20231116162316.1740402-3-linan666@huaweicloud.com Signed-off-by:
Jens Axboe <axboe@kernel.dk>
parent
1b598605
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