Messages in this thread | | | Date | Wed, 01 Aug 2012 10:45:08 +0200 | From | Jens Axboe <> | Subject | Re: [RESEND PATCH] block: do not artificially constrain max_sectors for stacking drivers |
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On 08/01/2012 02:39 AM, Mike Snitzer wrote: > blk_set_stacking_limits is intended to allow stacking drivers to build > up the limits of the stacked device based on the underlying devices' > limits. But defaulting 'max_sectors' to BLK_DEF_MAX_SECTORS (1024) > doesn't allow the stacking driver to inherit a max_sectors larger than > 1024 -- due to blk_stack_limits' use of min_not_zero. > > It is now clear that this artificial limit is getting in the way so > change blk_set_stacking_limits's max_sectors to UINT_MAX (which allows > stacking drivers like dm-multipath to inherit 'max_sectors' from the > underlying paths).
Thanks Mike (and Vijay), applied for 3.6.
-- Jens Axboe
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