CVE-2023-53730 blk-iocost: use spin_lock_irqsave in adjust_inuse_and_calc_cost
In the Linux kernel, the following vulnerability has been resolved: blk-iocost: use spinlockirqsave in adjustinuseandcalccost adjustinuseandcalccost use spinlockirq and IRQ will be enabled when unlock. DEADLOCK might happen if we have held other locks and disabled IRQ before invoking it. Fix it b...