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John Garry authored
There is no reason that calls to block_unblock_all_queues() from different context can't race with one another, so protect with the sdebug_host_list_mutex. There's no need for a more fine-grained per shost locking here (and we don't have a per-host lock anyway). Also simplify some touched code in sdebug_change_qdepth(). Signed-off-by: John Garry <john.g.garry@oracle.com> Link: https://lore.kernel.org/r/20230327074310.1862889-5-john.g.garry@oracle.comSigned-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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