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-rw-r--r--include/linux/blkdev.h32
1 files changed, 18 insertions, 14 deletions
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 7e44ed93f84b..f2385ee7c7b2 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -46,7 +46,12 @@ struct blkcg_gq;
struct request;
typedef void (rq_end_io_fn)(struct request *, int);
+#define BLK_RL_SYNCFULL (1U << 0)
+#define BLK_RL_ASYNCFULL (1U << 1)
+
struct request_list {
+ struct request_queue *q; /* the queue this rl belongs to */
+
/*
* count[], starved[], and wait[] are indexed by
* BLK_RW_SYNC/BLK_RW_ASYNC
@@ -55,6 +60,7 @@ struct request_list {
int starved[2];
mempool_t *rq_pool;
wait_queue_head_t wait[2];
+ unsigned int flags;
};
/*
@@ -562,27 +568,25 @@ static inline bool rq_is_sync(struct request *rq)
return rw_is_sync(rq->cmd_flags);
}
-static inline int blk_queue_full(struct request_queue *q, int sync)
+static inline bool blk_rl_full(struct request_list *rl, bool sync)
{
- if (sync)
- return test_bit(QUEUE_FLAG_SYNCFULL, &q->queue_flags);
- return test_bit(QUEUE_FLAG_ASYNCFULL, &q->queue_flags);
+ unsigned int flag = sync ? BLK_RL_SYNCFULL : BLK_RL_ASYNCFULL;
+
+ return rl->flags & flag;
}
-static inline void blk_set_queue_full(struct request_queue *q, int sync)
+static inline void blk_set_rl_full(struct request_list *rl, bool sync)
{
- if (sync)
- queue_flag_set(QUEUE_FLAG_SYNCFULL, q);
- else
- queue_flag_set(QUEUE_FLAG_ASYNCFULL, q);
+ unsigned int flag = sync ? BLK_RL_SYNCFULL : BLK_RL_ASYNCFULL;
+
+ rl->flags |= flag;
}
-static inline void blk_clear_queue_full(struct request_queue *q, int sync)
+static inline void blk_clear_rl_full(struct request_list *rl, bool sync)
{
- if (sync)
- queue_flag_clear(QUEUE_FLAG_SYNCFULL, q);
- else
- queue_flag_clear(QUEUE_FLAG_ASYNCFULL, q);
+ unsigned int flag = sync ? BLK_RL_SYNCFULL : BLK_RL_ASYNCFULL;
+
+ rl->flags &= ~flag;
}