[dm-devel] Re: [PATCH] dm mpath: delay retry activate_path on SCSI_DH_RETRY
Alasdair G Kergon
agk at redhat.com
Thu Feb 19 02:11:18 UTC 2009
On Tue, Feb 17, 2009 at 07:17:37PM +0530, Nikanth Karthikesan wrote:
> Delay retry to activate_path if it returns SCSI_DH_RETRY.
Please write a complete patch header if you'd like this queued for upstream!
E.g. Why? Any cases where this will make matters worse or make no difference?
> + unsigned long pg_init_jiffy; /* To delay retry if SCSI_DH_RETRY */
> +#define SCSI_DH_RETRY_DELAY ((HZ * 2))
Why that particular value?
Please move it into a header file with an explanation of what it does.
Alasdair
--
agk at redhat.com
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