Re: [PATCH 1/8] scsi: Drop struct Scsi_Host->host_lock around SHT->queuecommand()

[Christoph Hellwig]

On Thu, Sep 16, 2010 at 10:46:11PM -0400, James Bottomley wrote:
> So at least from where I stand, my object is to reduce the number of
> times we take and release the lock, which this doesn't do.  As I said
> before: we need to figure out the rest, which likely includes an atomic
> for the serial number (which is almost unused).  I think the check
> against SHOST_DEL is fine unlocked.


The check by itself for sure is.  But I wonder whether we make any
assumptions about it not changing while we are in ->queuecommand, which
isn't nessecarily the case after this patch.
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