| Date | Thu, 9 Aug 2012 10:37:00 -0700 | From | Tejun Heo <> | Subject | Re: [PATCH v5 12/12] block: Only clone bio vecs that are in use |
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Hello,
On Mon, Aug 06, 2012 at 03:08:41PM -0700, Kent Overstreet wrote: > bcache creates large bios internally, and then splits them according to > the device requirements before it sends them down. If a lower level > device tries to clone the bio, and the original bio had more than > BIO_MAX_PAGES, the clone will fail unecessarily. > > We can fix this by only cloning the bio vecs that are actually in use.
How was this tested?
Thanks.
-- tejun
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