Messages in this thread | | | Date | Tue, 5 Apr 2016 17:41:47 -0700 | From | Shaohua Li <> | Subject | Re: [PATCH] block: make sure big bio is splitted into at most 256 bvecs |
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On Tue, Apr 05, 2016 at 04:36:04PM -0800, Kent Overstreet wrote: > On Tue, Apr 05, 2016 at 05:30:07PM -0700, Shaohua Li wrote: > > this one: > > http://marc.info/?l=linux-kernel&m=145926976808760&w=2 > > Ah. that patch won't actually fix the bug, since md isn't using > blk_default_limits, it's using blk_set_stacking_limits().
Not really, the limit is set by under layer disk not md, otherwise it should be BLK_SAFE_MAX_SECTORS, but the reported bio has 2560 sectors. blk_set_stacking_limits() will use it.
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