Re: [PATCH 0/8] Drop host_lock around LLD SHT->queuecommand()caller

[Tim Chen]

On Thu, 2010-09-16 at 15:35 -0700, Nicholas A. Bellinger wrote:
> From: Nicholas Bellinger <nab@xxxxxxxxxxxxxxx>
> 
> Greetings all,
> 
> This series contains the first round of a whole-sale conversion for droping
> struct Scsi_Host->host_lock around struct Scsi_Host->queuecommand() within
> scsi_dispatch_cmd().  So with this first patch the only part of scsi_dispatch_cmd()
> that is protected by host_lock is scsi_cmd_get_serial)_.
> 

Maybe we can change the host->cmd_serial_number to atomic and totally
avoid the need to take host_lock.

Tim

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