On 8/8/18 1:27 PM, Greg Edwards wrote:
> In commit ed996a52c868 ("block: simplify and cleanup bvec pool
> handling"), the value of the slab index is incremented by one in
> bvec_alloc() after the allocation is done to indicate an index value of
> 0 does not need to be later freed.
>
> bvec_nr_vecs() was not updated accordingly, and thus returns the wrong
> value. Decrement idx before performing the lookup.
Applied, thanks.
--
Jens Axboe
