diff options
Diffstat (limited to 'block/blk-wbt.c')
| -rw-r--r-- | block/blk-wbt.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/block/blk-wbt.c b/block/blk-wbt.c index a7a7245800339..450cffa85dfb5 100644 --- a/block/blk-wbt.c +++ b/block/blk-wbt.c @@ -29,6 +29,26 @@ #define CREATE_TRACE_POINTS #include <trace/events/wbt.h> +static inline void wbt_clear_state(struct blk_issue_stat *stat) +{ + stat->stat &= ~BLK_STAT_RES_MASK; +} + +static inline enum wbt_flags wbt_stat_to_mask(struct blk_issue_stat *stat) +{ + return (stat->stat & BLK_STAT_RES_MASK) >> BLK_STAT_RES_SHIFT; +} + +static inline bool wbt_is_tracked(struct blk_issue_stat *stat) +{ + return (stat->stat >> BLK_STAT_RES_SHIFT) & WBT_TRACKED; +} + +static inline bool wbt_is_read(struct blk_issue_stat *stat) +{ + return (stat->stat >> BLK_STAT_RES_SHIFT) & WBT_READ; +} + enum { /* * Default setting, we'll scale up (to 75% of QD max) or down (min 1) |