Commits
Vasily Tarasov authored and Pavel Emelianov committed 27e9397c1ac
[IOPRIO] Introduce main data structures and functions The patch defines new data structures and functions that forms basic infrastructure of ubioprio feature. cfq_bc_data is a structure that represents pare: (block device, UB). It owns all virtualized data from original cfq_data structure. Each device (cfq_data) holds a list of cfq_bc_data structures. UB holds a list of active cfq_bc_data structures. Sources content more detailed description. The functions introduced by this patch only implement allocation/initialization/release and search of structures described above.