[PATCH 0/2] Allow scsi_prep_fn to occur for retried commands

Abdul Haleem abdhalee at linux.vnet.ibm.com
Tue Aug 22 16:42:04 AEST 2017


On Mon, 2017-08-21 at 17:11 -0500, Brian King wrote:
> The following two patches address the hang issue being observed
> with Bart's patch on powerpc. The first patch moves the initialization
> of jiffies_at_alloc from scsi_init_command to scsi_init_rq, and ensures
> we don't zero jiffies_at_alloc in scsi_init_command. The second patch
> saves / restores the retry counter in scsi_init_command which lets us
> go through scsi_init_command for retries and not forget why we were
> there. 
> 
> These patches have only been boot tested on my Power machine with ipr
> to ensure they fix the issue I was seeing.
> 
> -Brian
> 

Thank you Brian and Bart, for your efforts to fix this bug.

I tested these patches on my PowerPC machine and system booted fine.

[PATCHv2 1/2] scsi: Move scsi_cmd->jiffies_at_alloc initialization to
allocation time
[PATCH 2/2] scsi: Preserve retry counter through scsi_prep_fn

Reported-and-Tested-by: Abdul Haleem <abdhalee at linux.vnet.ibm.com>

-- 
Regard's

Abdul Haleem
IBM Linux Technology Centre





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