Messages in this thread | | | Subject | Re: [PATCH 0/4] block: fix bio_will_gap() | From | Sagi Grimberg <> | Date | Mon, 15 Feb 2016 10:33:29 +0200 |
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> Hi, > > After bio splitting is introduced, the splitted bio can be fast-cloned, > which is correct because biovecs has become immutable since v3.13. > > Unfortunately bio_will_gap() isn't ready for this kind of change, > because it figures out the last bvec via 'bi_io_vec[prev->bi_vcnt - 1]' > directly. > > It is observed that lots of BIOs are merges even the virt boundary > limit is violated, and the issue is reported from Sagi Grimberg.
This set makes the virt_boundary violation go away...
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