iobuf_pool->arenas_cnt should be incremented in iobuf_arena_alloc, and not iobuf_pool_add_arena (to avoid counting of unpruned arenas)
iobuf_pool->arenas_cnt should be incremented in iobuf_arena_alloc, and not iobuf_pool_add_arena (to avoid counting of unpruned arenas)

Signed-off-by: Anand V. Avati <6a1810c170bd423868ce2e225ecea39d80cade0f@amp.gluster.com>

Kaushikbv/Gluster,Kaushikbv/Gluster,Kaushikbv/Gluster