website-struct

Struct: dax_operations

Status

Regular

• In 4.4: Absent ⚠️
• In 4.8: Absent ⚠️
• In 4.10: Absent ⚠️
• In 4.13: ✅

  struct dax_operations {
      long int (*direct_access)(struct dax_device *, long unsigned int, long int, void **, pfn_t *);
      size_t (*copy_from_iter)(struct dax_device *, long unsigned int, void *, size_t, struct iov_iter *);
      void (*flush)(struct dax_device *, long unsigned int, void *, size_t);
  };
  

• In 4.15: ✅

  struct dax_operations {
      long int (*direct_access)(struct dax_device *, long unsigned int, long int, void **, pfn_t *);
      size_t (*copy_from_iter)(struct dax_device *, long unsigned int, void *, size_t, struct iov_iter *);
  };
  

• In 4.18: ✅

  struct dax_operations {
      long int (*direct_access)(struct dax_device *, long unsigned int, long int, void **, pfn_t *);
      size_t (*copy_from_iter)(struct dax_device *, long unsigned int, void *, size_t, struct iov_iter *);
      size_t (*copy_to_iter)(struct dax_device *, long unsigned int, void *, size_t, struct iov_iter *);
  };
  

• In 5.0: ✅

  struct dax_operations {
      long int (*direct_access)(struct dax_device *, long unsigned int, long int, void **, pfn_t *);
      size_t (*copy_from_iter)(struct dax_device *, long unsigned int, void *, size_t, struct iov_iter *);
      size_t (*copy_to_iter)(struct dax_device *, long unsigned int, void *, size_t, struct iov_iter *);
  };
  

• In 5.3: ✅

  struct dax_operations {
      long int (*direct_access)(struct dax_device *, long unsigned int, long int, void **, pfn_t *);
      bool (*dax_supported)(struct dax_device *, struct block_device *, int, sector_t, sector_t);
      size_t (*copy_from_iter)(struct dax_device *, long unsigned int, void *, size_t, struct iov_iter *);
      size_t (*copy_to_iter)(struct dax_device *, long unsigned int, void *, size_t, struct iov_iter *);
  };
  

• In 5.4: ✅

  struct dax_operations {
      long int (*direct_access)(struct dax_device *, long unsigned int, long int, void **, pfn_t *);
      bool (*dax_supported)(struct dax_device *, struct block_device *, int, sector_t, sector_t);
      size_t (*copy_from_iter)(struct dax_device *, long unsigned int, void *, size_t, struct iov_iter *);
      size_t (*copy_to_iter)(struct dax_device *, long unsigned int, void *, size_t, struct iov_iter *);
  };
  

• In 5.8: ✅

  struct dax_operations {
      long int (*direct_access)(struct dax_device *, long unsigned int, long int, void **, pfn_t *);
      bool (*dax_supported)(struct dax_device *, struct block_device *, int, sector_t, sector_t);
      size_t (*copy_from_iter)(struct dax_device *, long unsigned int, void *, size_t, struct iov_iter *);
      size_t (*copy_to_iter)(struct dax_device *, long unsigned int, void *, size_t, struct iov_iter *);
      int (*zero_page_range)(struct dax_device *, long unsigned int, size_t);
  };
  

• In 5.11: ✅

  struct dax_operations {
      long int (*direct_access)(struct dax_device *, long unsigned int, long int, void **, pfn_t *);
      bool (*dax_supported)(struct dax_device *, struct block_device *, int, sector_t, sector_t);
      size_t (*copy_from_iter)(struct dax_device *, long unsigned int, void *, size_t, struct iov_iter *);
      size_t (*copy_to_iter)(struct dax_device *, long unsigned int, void *, size_t, struct iov_iter *);
      int (*zero_page_range)(struct dax_device *, long unsigned int, size_t);
  };
  

• In 5.13: ✅

  struct dax_operations {
      long int (*direct_access)(struct dax_device *, long unsigned int, long int, void **, pfn_t *);
      bool (*dax_supported)(struct dax_device *, struct block_device *, int, sector_t, sector_t);
      size_t (*copy_from_iter)(struct dax_device *, long unsigned int, void *, size_t, struct iov_iter *);
      size_t (*copy_to_iter)(struct dax_device *, long unsigned int, void *, size_t, struct iov_iter *);
      int (*zero_page_range)(struct dax_device *, long unsigned int, size_t);
  };
  

• In 5.15: ✅

  struct dax_operations {
      long int (*direct_access)(struct dax_device *, long unsigned int, long int, void **, pfn_t *);
      bool (*dax_supported)(struct dax_device *, struct block_device *, int, sector_t, sector_t);
      size_t (*copy_from_iter)(struct dax_device *, long unsigned int, void *, size_t, struct iov_iter *);
      size_t (*copy_to_iter)(struct dax_device *, long unsigned int, void *, size_t, struct iov_iter *);
      int (*zero_page_range)(struct dax_device *, long unsigned int, size_t);
  };
  

• In 5.19: ✅

  struct dax_operations {
      long int (*direct_access)(struct dax_device *, long unsigned int, long int, enum dax_access_mode, void **, pfn_t *);
      bool (*dax_supported)(struct dax_device *, struct block_device *, int, sector_t, sector_t);
      int (*zero_page_range)(struct dax_device *, long unsigned int, size_t);
      size_t (*recovery_write)(struct dax_device *, long unsigned int, void *, size_t, struct iov_iter *);
  };
  

• In 6.2: ✅

  struct dax_operations {
      long int (*direct_access)(struct dax_device *, long unsigned int, long int, enum dax_access_mode, void **, pfn_t *);
      bool (*dax_supported)(struct dax_device *, struct block_device *, int, sector_t, sector_t);
      int (*zero_page_range)(struct dax_device *, long unsigned int, size_t);
      size_t (*recovery_write)(struct dax_device *, long unsigned int, void *, size_t, struct iov_iter *);
  };
  

• In 6.5: ✅

  struct dax_operations {
      long int (*direct_access)(struct dax_device *, long unsigned int, long int, enum dax_access_mode, void **, pfn_t *);
      bool (*dax_supported)(struct dax_device *, struct block_device *, int, sector_t, sector_t);
      int (*zero_page_range)(struct dax_device *, long unsigned int, size_t);
      size_t (*recovery_write)(struct dax_device *, long unsigned int, void *, size_t, struct iov_iter *);
  };
  

• In 6.8: ✅

  struct dax_operations {
      long int (*direct_access)(struct dax_device *, long unsigned int, long int, enum dax_access_mode, void **, pfn_t *);
      bool (*dax_supported)(struct dax_device *, struct block_device *, int, sector_t, sector_t);
      int (*zero_page_range)(struct dax_device *, long unsigned int, size_t);
      size_t (*recovery_write)(struct dax_device *, long unsigned int, void *, size_t, struct iov_iter *);
  };
  

Arch

• In arm64: ✅

  struct dax_operations {
      long int (*direct_access)(struct dax_device *, long unsigned int, long int, void **, pfn_t *);
      bool (*dax_supported)(struct dax_device *, struct block_device *, int, sector_t, sector_t);
      size_t (*copy_from_iter)(struct dax_device *, long unsigned int, void *, size_t, struct iov_iter *);
      size_t (*copy_to_iter)(struct dax_device *, long unsigned int, void *, size_t, struct iov_iter *);
  };
  

• In armhf: ✅

  struct dax_operations {
      long int (*direct_access)(struct dax_device *, long unsigned int, long int, void **, pfn_t *);
      bool (*dax_supported)(struct dax_device *, struct block_device *, int, sector_t, sector_t);
      size_t (*copy_from_iter)(struct dax_device *, long unsigned int, void *, size_t, struct iov_iter *);
      size_t (*copy_to_iter)(struct dax_device *, long unsigned int, void *, size_t, struct iov_iter *);
  };
  

• In ppc64el: ✅

  struct dax_operations {
      long int (*direct_access)(struct dax_device *, long unsigned int, long int, void **, pfn_t *);
      bool (*dax_supported)(struct dax_device *, struct block_device *, int, sector_t, sector_t);
      size_t (*copy_from_iter)(struct dax_device *, long unsigned int, void *, size_t, struct iov_iter *);
      size_t (*copy_to_iter)(struct dax_device *, long unsigned int, void *, size_t, struct iov_iter *);
  };
  

• In riscv64: ✅

  struct dax_operations {
      long int (*direct_access)(struct dax_device *, long unsigned int, long int, void **, pfn_t *);
      bool (*dax_supported)(struct dax_device *, struct block_device *, int, sector_t, sector_t);
      size_t (*copy_from_iter)(struct dax_device *, long unsigned int, void *, size_t, struct iov_iter *);
      size_t (*copy_to_iter)(struct dax_device *, long unsigned int, void *, size_t, struct iov_iter *);
  };
  

Flavor

• In aws: ✅

  struct dax_operations {
      long int (*direct_access)(struct dax_device *, long unsigned int, long int, void **, pfn_t *);
      bool (*dax_supported)(struct dax_device *, struct block_device *, int, sector_t, sector_t);
      size_t (*copy_from_iter)(struct dax_device *, long unsigned int, void *, size_t, struct iov_iter *);
      size_t (*copy_to_iter)(struct dax_device *, long unsigned int, void *, size_t, struct iov_iter *);
  };
  

• In azure: ✅

  struct dax_operations {
      long int (*direct_access)(struct dax_device *, long unsigned int, long int, void **, pfn_t *);
      bool (*dax_supported)(struct dax_device *, struct block_device *, int, sector_t, sector_t);
      size_t (*copy_from_iter)(struct dax_device *, long unsigned int, void *, size_t, struct iov_iter *);
      size_t (*copy_to_iter)(struct dax_device *, long unsigned int, void *, size_t, struct iov_iter *);
  };
  

• In gcp: ✅

  struct dax_operations {
      long int (*direct_access)(struct dax_device *, long unsigned int, long int, void **, pfn_t *);
      bool (*dax_supported)(struct dax_device *, struct block_device *, int, sector_t, sector_t);
      size_t (*copy_from_iter)(struct dax_device *, long unsigned int, void *, size_t, struct iov_iter *);
      size_t (*copy_to_iter)(struct dax_device *, long unsigned int, void *, size_t, struct iov_iter *);
  };
  

• In lowlatency: ✅

  struct dax_operations {
      long int (*direct_access)(struct dax_device *, long unsigned int, long int, void **, pfn_t *);
      bool (*dax_supported)(struct dax_device *, struct block_device *, int, sector_t, sector_t);
      size_t (*copy_from_iter)(struct dax_device *, long unsigned int, void *, size_t, struct iov_iter *);
      size_t (*copy_to_iter)(struct dax_device *, long unsigned int, void *, size_t, struct iov_iter *);
  };
  

Differences

Regular

• Changed between 4.13 and 4.15 ⚠️

  • Field removed. void (*flush)(struct dax_device *, long unsigned int, void *, size_t)
• Changed between 4.15 and 4.18 ⚠️

  • Field added. size_t (*copy_to_iter)(struct dax_device *, long unsigned int, void *, size_t, struct iov_iter *)
• No changes between 4.18 and 5.0 ✅
• Changed between 5.0 and 5.3 ⚠️

  • Field added. bool (*dax_supported)(struct dax_device *, struct block_device *, int, sector_t, sector_t)
• No changes between 5.3 and 5.4 ✅
• Changed between 5.4 and 5.8 ⚠️

  • Field added. int (*zero_page_range)(struct dax_device *, long unsigned int, size_t)
• No changes between 5.8 and 5.11 ✅
• 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. size_t (*recovery_write)(struct dax_device *, long unsigned int, void *, size_t, struct iov_iter *)
  • Field removed. size_t (*copy_from_iter)(struct dax_device *, long unsigned int, void *, size_t, struct iov_iter *)
  • Field removed. size_t (*copy_to_iter)(struct dax_device *, long unsigned int, void *, size_t, struct iov_iter *)
  • Field type changed. long int (*direct_access)(struct dax_device *, long unsigned int, long int, void **, pfn_t *) ➡️ long int (*direct_access)(struct dax_device *, long unsigned int, long int, enum dax_access_mode, void **, pfn_t *)
• No changes between 5.19 and 6.2 ✅
• 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 ✅