website-struct

Struct: blk_mq_tag_set

Status

Regular

• In 4.4: ✅

  struct blk_mq_tag_set {
      struct blk_mq_ops *ops;
      unsigned int nr_hw_queues;
      unsigned int queue_depth;
      unsigned int reserved_tags;
      unsigned int cmd_size;
      int numa_node;
      unsigned int timeout;
      unsigned int flags;
      void *driver_data;
      struct blk_mq_tags **tags;
      struct mutex tag_list_lock;
      struct list_head tag_list;
  };
  

• In 4.8: ✅

  struct blk_mq_tag_set {
      struct blk_mq_ops *ops;
      unsigned int nr_hw_queues;
      unsigned int queue_depth;
      unsigned int reserved_tags;
      unsigned int cmd_size;
      int numa_node;
      unsigned int timeout;
      unsigned int flags;
      void *driver_data;
      struct blk_mq_tags **tags;
      struct mutex tag_list_lock;
      struct list_head tag_list;
  };
  

• In 4.10: ✅

  struct blk_mq_tag_set {
      unsigned int *mq_map;
      struct blk_mq_ops *ops;
      unsigned int nr_hw_queues;
      unsigned int queue_depth;
      unsigned int reserved_tags;
      unsigned int cmd_size;
      int numa_node;
      unsigned int timeout;
      unsigned int flags;
      void *driver_data;
      struct blk_mq_tags **tags;
      struct mutex tag_list_lock;
      struct list_head tag_list;
  };
  

• In 4.13: ✅

  struct blk_mq_tag_set {
      unsigned int *mq_map;
      const struct blk_mq_ops *ops;
      unsigned int nr_hw_queues;
      unsigned int queue_depth;
      unsigned int reserved_tags;
      unsigned int cmd_size;
      int numa_node;
      unsigned int timeout;
      unsigned int flags;
      void *driver_data;
      struct blk_mq_tags **tags;
      struct mutex tag_list_lock;
      struct list_head tag_list;
  };
  

• In 4.15: ✅

  struct blk_mq_tag_set {
      unsigned int *mq_map;
      const struct blk_mq_ops *ops;
      unsigned int nr_hw_queues;
      unsigned int queue_depth;
      unsigned int reserved_tags;
      unsigned int cmd_size;
      int numa_node;
      unsigned int timeout;
      unsigned int flags;
      void *driver_data;
      struct blk_mq_tags **tags;
      struct mutex tag_list_lock;
      struct list_head tag_list;
  };
  

• In 4.18: ✅

  struct blk_mq_tag_set {
      unsigned int *mq_map;
      const struct blk_mq_ops *ops;
      unsigned int nr_hw_queues;
      unsigned int queue_depth;
      unsigned int reserved_tags;
      unsigned int cmd_size;
      int numa_node;
      unsigned int timeout;
      unsigned int flags;
      void *driver_data;
      struct blk_mq_tags **tags;
      struct mutex tag_list_lock;
      struct list_head tag_list;
  };
  

• In 5.0: ✅

  struct blk_mq_tag_set {
      struct blk_mq_queue_map map[3];
      unsigned int nr_maps;
      const struct blk_mq_ops *ops;
      unsigned int nr_hw_queues;
      unsigned int queue_depth;
      unsigned int reserved_tags;
      unsigned int cmd_size;
      int numa_node;
      unsigned int timeout;
      unsigned int flags;
      void *driver_data;
      struct blk_mq_tags **tags;
      struct mutex tag_list_lock;
      struct list_head tag_list;
  };
  

• In 5.3: ✅

  struct blk_mq_tag_set {
      struct blk_mq_queue_map map[3];
      unsigned int nr_maps;
      const struct blk_mq_ops *ops;
      unsigned int nr_hw_queues;
      unsigned int queue_depth;
      unsigned int reserved_tags;
      unsigned int cmd_size;
      int numa_node;
      unsigned int timeout;
      unsigned int flags;
      void *driver_data;
      struct blk_mq_tags **tags;
      struct mutex tag_list_lock;
      struct list_head tag_list;
  };
  

• In 5.4: ✅

  struct blk_mq_tag_set {
      struct blk_mq_queue_map map[3];
      unsigned int nr_maps;
      const struct blk_mq_ops *ops;
      unsigned int nr_hw_queues;
      unsigned int queue_depth;
      unsigned int reserved_tags;
      unsigned int cmd_size;
      int numa_node;
      unsigned int timeout;
      unsigned int flags;
      void *driver_data;
      struct blk_mq_tags **tags;
      struct mutex tag_list_lock;
      struct list_head tag_list;
  };
  

• In 5.8: ✅

  struct blk_mq_tag_set {
      struct blk_mq_queue_map map[3];
      unsigned int nr_maps;
      const struct blk_mq_ops *ops;
      unsigned int nr_hw_queues;
      unsigned int queue_depth;
      unsigned int reserved_tags;
      unsigned int cmd_size;
      int numa_node;
      unsigned int timeout;
      unsigned int flags;
      void *driver_data;
      struct blk_mq_tags **tags;
      struct mutex tag_list_lock;
      struct list_head tag_list;
  };
  

• In 5.11: ✅

  struct blk_mq_tag_set {
      struct blk_mq_queue_map map[3];
      unsigned int nr_maps;
      const struct blk_mq_ops *ops;
      unsigned int nr_hw_queues;
      unsigned int queue_depth;
      unsigned int reserved_tags;
      unsigned int cmd_size;
      int numa_node;
      unsigned int timeout;
      unsigned int flags;
      void *driver_data;
      atomic_t active_queues_shared_sbitmap;
      struct sbitmap_queue __bitmap_tags;
      struct sbitmap_queue __breserved_tags;
      struct blk_mq_tags **tags;
      struct mutex tag_list_lock;
      struct list_head tag_list;
  };
  

• In 5.13: ✅

  struct blk_mq_tag_set {
      struct blk_mq_queue_map map[3];
      unsigned int nr_maps;
      const struct blk_mq_ops *ops;
      unsigned int nr_hw_queues;
      unsigned int queue_depth;
      unsigned int reserved_tags;
      unsigned int cmd_size;
      int numa_node;
      unsigned int timeout;
      unsigned int flags;
      void *driver_data;
      atomic_t active_queues_shared_sbitmap;
      struct sbitmap_queue __bitmap_tags;
      struct sbitmap_queue __breserved_tags;
      struct blk_mq_tags **tags;
      struct mutex tag_list_lock;
      struct list_head tag_list;
  };
  

• In 5.15: ✅

  struct blk_mq_tag_set {
      struct blk_mq_queue_map map[3];
      unsigned int nr_maps;
      const struct blk_mq_ops *ops;
      unsigned int nr_hw_queues;
      unsigned int queue_depth;
      unsigned int reserved_tags;
      unsigned int cmd_size;
      int numa_node;
      unsigned int timeout;
      unsigned int flags;
      void *driver_data;
      atomic_t active_queues_shared_sbitmap;
      struct sbitmap_queue __bitmap_tags;
      struct sbitmap_queue __breserved_tags;
      struct blk_mq_tags **tags;
      struct mutex tag_list_lock;
      struct list_head tag_list;
  };
  

• In 5.19: ✅

  struct blk_mq_tag_set {
      struct blk_mq_queue_map map[3];
      unsigned int nr_maps;
      const struct blk_mq_ops *ops;
      unsigned int nr_hw_queues;
      unsigned int queue_depth;
      unsigned int reserved_tags;
      unsigned int cmd_size;
      int numa_node;
      unsigned int timeout;
      unsigned int flags;
      void *driver_data;
      struct blk_mq_tags **tags;
      struct blk_mq_tags *shared_tags;
      struct mutex tag_list_lock;
      struct list_head tag_list;
  };
  

• In 6.2: ✅

  struct blk_mq_tag_set {
      struct blk_mq_queue_map map[3];
      unsigned int nr_maps;
      const struct blk_mq_ops *ops;
      unsigned int nr_hw_queues;
      unsigned int queue_depth;
      unsigned int reserved_tags;
      unsigned int cmd_size;
      int numa_node;
      unsigned int timeout;
      unsigned int flags;
      void *driver_data;
      struct blk_mq_tags **tags;
      struct blk_mq_tags *shared_tags;
      struct mutex tag_list_lock;
      struct list_head tag_list;
      struct srcu_struct *srcu;
  };
  

• In 6.5: ✅

  struct blk_mq_tag_set {
      const struct blk_mq_ops *ops;
      struct blk_mq_queue_map map[3];
      unsigned int nr_maps;
      unsigned int nr_hw_queues;
      unsigned int queue_depth;
      unsigned int reserved_tags;
      unsigned int cmd_size;
      int numa_node;
      unsigned int timeout;
      unsigned int flags;
      void *driver_data;
      struct blk_mq_tags **tags;
      struct blk_mq_tags *shared_tags;
      struct mutex tag_list_lock;
      struct list_head tag_list;
      struct srcu_struct *srcu;
  };
  

• In 6.8: ✅

  struct blk_mq_tag_set {
      const struct blk_mq_ops *ops;
      struct blk_mq_queue_map map[3];
      unsigned int nr_maps;
      unsigned int nr_hw_queues;
      unsigned int queue_depth;
      unsigned int reserved_tags;
      unsigned int cmd_size;
      int numa_node;
      unsigned int timeout;
      unsigned int flags;
      void *driver_data;
      struct blk_mq_tags **tags;
      struct blk_mq_tags *shared_tags;
      struct mutex tag_list_lock;
      struct list_head tag_list;
      struct srcu_struct *srcu;
  };
  

Arch

• In arm64: ✅

  struct blk_mq_tag_set {
      struct blk_mq_queue_map map[3];
      unsigned int nr_maps;
      const struct blk_mq_ops *ops;
      unsigned int nr_hw_queues;
      unsigned int queue_depth;
      unsigned int reserved_tags;
      unsigned int cmd_size;
      int numa_node;
      unsigned int timeout;
      unsigned int flags;
      void *driver_data;
      struct blk_mq_tags **tags;
      struct mutex tag_list_lock;
      struct list_head tag_list;
  };
  

• In armhf: ✅

  struct blk_mq_tag_set {
      struct blk_mq_queue_map map[3];
      unsigned int nr_maps;
      const struct blk_mq_ops *ops;
      unsigned int nr_hw_queues;
      unsigned int queue_depth;
      unsigned int reserved_tags;
      unsigned int cmd_size;
      int numa_node;
      unsigned int timeout;
      unsigned int flags;
      void *driver_data;
      struct blk_mq_tags **tags;
      struct mutex tag_list_lock;
      struct list_head tag_list;
  };
  

• In ppc64el: ✅

  struct blk_mq_tag_set {
      struct blk_mq_queue_map map[3];
      unsigned int nr_maps;
      const struct blk_mq_ops *ops;
      unsigned int nr_hw_queues;
      unsigned int queue_depth;
      unsigned int reserved_tags;
      unsigned int cmd_size;
      int numa_node;
      unsigned int timeout;
      unsigned int flags;
      void *driver_data;
      struct blk_mq_tags **tags;
      struct mutex tag_list_lock;
      struct list_head tag_list;
  };
  

• In riscv64: ✅

  struct blk_mq_tag_set {
      struct blk_mq_queue_map map[3];
      unsigned int nr_maps;
      const struct blk_mq_ops *ops;
      unsigned int nr_hw_queues;
      unsigned int queue_depth;
      unsigned int reserved_tags;
      unsigned int cmd_size;
      int numa_node;
      unsigned int timeout;
      unsigned int flags;
      void *driver_data;
      struct blk_mq_tags **tags;
      struct mutex tag_list_lock;
      struct list_head tag_list;
  };
  

Flavor

• In aws: ✅

  struct blk_mq_tag_set {
      struct blk_mq_queue_map map[3];
      unsigned int nr_maps;
      const struct blk_mq_ops *ops;
      unsigned int nr_hw_queues;
      unsigned int queue_depth;
      unsigned int reserved_tags;
      unsigned int cmd_size;
      int numa_node;
      unsigned int timeout;
      unsigned int flags;
      void *driver_data;
      struct blk_mq_tags **tags;
      struct mutex tag_list_lock;
      struct list_head tag_list;
  };
  

• In azure: ✅

  struct blk_mq_tag_set {
      struct blk_mq_queue_map map[3];
      unsigned int nr_maps;
      const struct blk_mq_ops *ops;
      unsigned int nr_hw_queues;
      unsigned int queue_depth;
      unsigned int reserved_tags;
      unsigned int cmd_size;
      int numa_node;
      unsigned int timeout;
      unsigned int flags;
      void *driver_data;
      struct blk_mq_tags **tags;
      struct mutex tag_list_lock;
      struct list_head tag_list;
  };
  

• In gcp: ✅

  struct blk_mq_tag_set {
      struct blk_mq_queue_map map[3];
      unsigned int nr_maps;
      const struct blk_mq_ops *ops;
      unsigned int nr_hw_queues;
      unsigned int queue_depth;
      unsigned int reserved_tags;
      unsigned int cmd_size;
      int numa_node;
      unsigned int timeout;
      unsigned int flags;
      void *driver_data;
      struct blk_mq_tags **tags;
      struct mutex tag_list_lock;
      struct list_head tag_list;
  };
  

• In lowlatency: ✅

  struct blk_mq_tag_set {
      struct blk_mq_queue_map map[3];
      unsigned int nr_maps;
      const struct blk_mq_ops *ops;
      unsigned int nr_hw_queues;
      unsigned int queue_depth;
      unsigned int reserved_tags;
      unsigned int cmd_size;
      int numa_node;
      unsigned int timeout;
      unsigned int flags;
      void *driver_data;
      struct blk_mq_tags **tags;
      struct mutex tag_list_lock;
      struct list_head tag_list;
  };
  

Differences

Regular

• No changes between 4.4 and 4.8 ✅
• Changed between 4.8 and 4.10 ⚠️

  • Field added. unsigned int *mq_map
• Changed between 4.10 and 4.13 ⚠️

  • Field type changed. struct blk_mq_ops *ops ➡️ const struct blk_mq_ops *ops
• No changes between 4.13 and 4.15 ✅
• No changes between 4.15 and 4.18 ✅
• Changed between 4.18 and 5.0 ⚠️

  • Field added. struct blk_mq_queue_map map[3]
  • Field added. unsigned int nr_maps
  • Field removed. unsigned int *mq_map
• No changes between 5.0 and 5.3 ✅
• No changes between 5.3 and 5.4 ✅
• No changes between 5.4 and 5.8 ✅
• Changed between 5.8 and 5.11 ⚠️

  • Field added. atomic_t active_queues_shared_sbitmap
  • Field added. struct sbitmap_queue __bitmap_tags
  • Field added. struct sbitmap_queue __breserved_tags
• No changes between 5.11 and 5.13 ✅
• No changes between 5.13 and 5.15 ✅
• Changed between 5.15 and 5.19 ⚠️

  • Field added. struct blk_mq_tags *shared_tags
  • Field removed. atomic_t active_queues_shared_sbitmap
  • Field removed. struct sbitmap_queue __bitmap_tags
  • Field removed. struct sbitmap_queue __breserved_tags
• Changed between 5.19 and 6.2 ⚠️

  • Field added. struct srcu_struct *srcu
• No changes between 6.2 and 6.5 ✅
• No changes between 6.5 and 6.8 ✅

Arch

• No changes between amd64 and arm64 ✅
• No changes between amd64 and armhf ✅
• No changes between amd64 and ppc64el ✅
• No changes between amd64 and riscv64 ✅

Flavor

• No changes between generic and aws ✅
• No changes between generic and azure ✅
• No changes between generic and gcp ✅
• No changes between generic and lowlatency ✅