net/smc: receive pending data after RCV_SHUTDOWN

[platform/kernel/linux-rpi.git] / block / blk.h

diff --git a/block/blk.h b/block/blk.h
index 9db4e38..1a5b67b 100644 (file)
--- a/block/blk.h
+++ b/block/blk.h
@@ -23,6 +23,7 @@ struct blk_flush_queue {
        unsigned int            flush_queue_delayed:1;
        unsigned int            flush_pending_idx:1;
        unsigned int            flush_running_idx:1;
+       blk_status_t            rq_status;
        unsigned long           flush_pending_since;
        struct list_head        flush_queue[2];
        struct list_head        flush_data_in_flight;
@@ -123,8 +124,14 @@ static inline void __blk_get_queue(struct request_queue *q)
        kobject_get(&q->kobj);
 }
 
+static inline bool
+is_flush_rq(struct request *req, struct blk_mq_hw_ctx *hctx)
+{
+       return hctx->fq->flush_rq == req;
+}
+
 struct blk_flush_queue *blk_alloc_flush_queue(struct request_queue *q,
-               int node, int cmd_size);
+               int node, int cmd_size, gfp_t flags);
 void blk_free_flush_queue(struct blk_flush_queue *q);
 
 int blk_init_rl(struct request_list *rl, struct request_queue *q,
@@ -329,6 +336,16 @@ static inline unsigned long blk_rq_deadline(struct request *rq)
 }
 
 /*
+ * The max size one bio can handle is UINT_MAX becasue bvec_iter.bi_size
+ * is defined as 'unsigned int', meantime it has to aligned to with logical
+ * block size which is the minimum accepted unit by hardware.
+ */
+static inline unsigned int bio_allowed_max_sectors(struct request_queue *q)
+{
+       return round_down(UINT_MAX, queue_logical_block_size(q)) >> 9;
+}
+
+/*
  * Internal io_context interface
  */
 void get_io_context(struct io_context *ioc);