On Tue, Jan 15, 2019 at 04:50:03PM -0800, Bart Van Assche wrote:
> From scsi_init_command(), a function called by scsi_mq_prep_fn():
> 
>       /* zero out the cmd, except for the embedded scsi_request */
>       memset((char *)cmd + sizeof(cmd->req), 0,
>               sizeof(*cmd) - sizeof(cmd->req) + dev->host->hostt->cmd_size);
> 
> In other words, scsi_mq_prep_fn() clears scsi_cmnd.flags. Hence move
> the clear_bit() call into the else branch, the only branch in which
> this code is necessary.

Right, good call. You can even safely use "cmd->state = 0" in this
path instead of clear_bit(), but last time there were objections to
it looking inconsistent with the completion+timeout paths that use it
atomicly. Anyway,

Reviewed-by: Keith Busch <[email protected]>

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