diff options
Diffstat (limited to 'include/linux/blk-mq.h')
| -rw-r--r-- | include/linux/blk-mq.h | 22 |
1 files changed, 7 insertions, 15 deletions
diff --git a/include/linux/blk-mq.h b/include/linux/blk-mq.h index f2ff0ffa0535..a0a9007cc1e3 100644 --- a/include/linux/blk-mq.h +++ b/include/linux/blk-mq.h @@ -296,13 +296,6 @@ enum blk_eh_timer_return { BLK_EH_RESET_TIMER, }; -/* Keep alloc_policy_name[] in sync with the definitions below */ -enum { - BLK_TAG_ALLOC_FIFO, /* allocate starting from 0 */ - BLK_TAG_ALLOC_RR, /* allocate starting from last allocated tag */ - BLK_TAG_ALLOC_MAX -}; - /** * struct blk_mq_hw_ctx - State for a hardware queue facing the hardware * block device @@ -678,19 +671,18 @@ enum { BLK_MQ_F_BLOCKING = 1 << 4, /* + * Alloc tags on a round-robin base instead of the first available one. + */ + BLK_MQ_F_TAG_RR = 1 << 5, + + /* * Select 'none' during queue registration in case of a single hwq * or shared hwqs instead of 'mq-deadline'. */ BLK_MQ_F_NO_SCHED_BY_DEFAULT = 1 << 6, - BLK_MQ_F_ALLOC_POLICY_START_BIT = 7, - BLK_MQ_F_ALLOC_POLICY_BITS = 1, + + BLK_MQ_F_MAX = 1 << 7, }; -#define BLK_MQ_FLAG_TO_ALLOC_POLICY(flags) \ - ((flags >> BLK_MQ_F_ALLOC_POLICY_START_BIT) & \ - ((1 << BLK_MQ_F_ALLOC_POLICY_BITS) - 1)) -#define BLK_ALLOC_POLICY_TO_MQ_FLAG(policy) \ - ((policy & ((1 << BLK_MQ_F_ALLOC_POLICY_BITS) - 1)) \ - << BLK_MQ_F_ALLOC_POLICY_START_BIT) #define BLK_MQ_MAX_DEPTH (10240) #define BLK_MQ_NO_HCTX_IDX (-1U) |