website-struct

Struct: dm_target

Status

Regular

• In 4.4: ✅

  struct dm_target {
      struct dm_table *table;
      struct target_type *type;
      sector_t begin;
      sector_t len;
      uint32_t max_io_len;
      unsigned int num_flush_bios;
      unsigned int num_discard_bios;
      unsigned int num_write_same_bios;
      unsigned int per_bio_data_size;
      dm_num_write_bios_fn num_write_bios;
      void *private;
      char *error;
      bool flush_supported;
      bool discards_supported;
      bool split_discard_bios;
      bool discard_zeroes_data_unsupported;
  };
  

• In 4.8: ✅

  struct dm_target {
      struct dm_table *table;
      struct target_type *type;
      sector_t begin;
      sector_t len;
      uint32_t max_io_len;
      unsigned int num_flush_bios;
      unsigned int num_discard_bios;
      unsigned int num_write_same_bios;
      unsigned int per_io_data_size;
      dm_num_write_bios_fn num_write_bios;
      void *private;
      char *error;
      bool flush_supported;
      bool discards_supported;
      bool split_discard_bios;
      bool discard_zeroes_data_unsupported;
  };
  

• In 4.10: ✅

  struct dm_target {
      struct dm_table *table;
      struct target_type *type;
      sector_t begin;
      sector_t len;
      uint32_t max_io_len;
      unsigned int num_flush_bios;
      unsigned int num_discard_bios;
      unsigned int num_write_same_bios;
      unsigned int per_io_data_size;
      dm_num_write_bios_fn num_write_bios;
      void *private;
      char *error;
      bool flush_supported;
      bool discards_supported;
      bool split_discard_bios;
      bool discard_zeroes_data_unsupported;
  };
  

• In 4.13: ✅

  struct dm_target {
      struct dm_table *table;
      struct target_type *type;
      sector_t begin;
      sector_t len;
      uint32_t max_io_len;
      unsigned int num_flush_bios;
      unsigned int num_discard_bios;
      unsigned int num_write_same_bios;
      unsigned int num_write_zeroes_bios;
      unsigned int per_io_data_size;
      dm_num_write_bios_fn num_write_bios;
      void *private;
      char *error;
      bool flush_supported;
      bool discards_supported;
      bool split_discard_bios;
  };
  

• In 4.15: ✅

  struct dm_target {
      struct dm_table *table;
      struct target_type *type;
      sector_t begin;
      sector_t len;
      uint32_t max_io_len;
      unsigned int num_flush_bios;
      unsigned int num_discard_bios;
      unsigned int num_write_same_bios;
      unsigned int num_write_zeroes_bios;
      unsigned int per_io_data_size;
      dm_num_write_bios_fn num_write_bios;
      void *private;
      char *error;
      bool flush_supported;
      bool discards_supported;
      bool split_discard_bios;
  };
  

• In 4.18: ✅

  struct dm_target {
      struct dm_table *table;
      struct target_type *type;
      sector_t begin;
      sector_t len;
      uint32_t max_io_len;
      unsigned int num_flush_bios;
      unsigned int num_discard_bios;
      unsigned int num_secure_erase_bios;
      unsigned int num_write_same_bios;
      unsigned int num_write_zeroes_bios;
      unsigned int per_io_data_size;
      void *private;
      char *error;
      bool flush_supported;
      bool discards_supported;
      bool split_discard_bios;
  };
  

• In 5.0: ✅

  struct dm_target {
      struct dm_table *table;
      struct target_type *type;
      sector_t begin;
      sector_t len;
      uint32_t max_io_len;
      unsigned int num_flush_bios;
      unsigned int num_discard_bios;
      unsigned int num_secure_erase_bios;
      unsigned int num_write_same_bios;
      unsigned int num_write_zeroes_bios;
      unsigned int per_io_data_size;
      void *private;
      char *error;
      bool flush_supported;
      bool discards_supported;
      bool split_discard_bios;
  };
  

• In 5.3: ✅

  struct dm_target {
      struct dm_table *table;
      struct target_type *type;
      sector_t begin;
      sector_t len;
      uint32_t max_io_len;
      unsigned int num_flush_bios;
      unsigned int num_discard_bios;
      unsigned int num_secure_erase_bios;
      unsigned int num_write_same_bios;
      unsigned int num_write_zeroes_bios;
      unsigned int per_io_data_size;
      void *private;
      char *error;
      bool flush_supported;
      bool discards_supported;
  };
  

• In 5.4: ✅

  struct dm_target {
      struct dm_table *table;
      struct target_type *type;
      sector_t begin;
      sector_t len;
      uint32_t max_io_len;
      unsigned int num_flush_bios;
      unsigned int num_discard_bios;
      unsigned int num_secure_erase_bios;
      unsigned int num_write_same_bios;
      unsigned int num_write_zeroes_bios;
      unsigned int per_io_data_size;
      void *private;
      char *error;
      bool flush_supported;
      bool discards_supported;
  };
  

• In 5.8: ✅

  struct dm_target {
      struct dm_table *table;
      struct target_type *type;
      sector_t begin;
      sector_t len;
      uint32_t max_io_len;
      unsigned int num_flush_bios;
      unsigned int num_discard_bios;
      unsigned int num_secure_erase_bios;
      unsigned int num_write_same_bios;
      unsigned int num_write_zeroes_bios;
      unsigned int per_io_data_size;
      void *private;
      char *error;
      bool flush_supported;
      bool discards_supported;
  };
  

• In 5.11: ✅

  struct dm_target {
      struct dm_table *table;
      struct target_type *type;
      sector_t begin;
      sector_t len;
      uint32_t max_io_len;
      unsigned int num_flush_bios;
      unsigned int num_discard_bios;
      unsigned int num_secure_erase_bios;
      unsigned int num_write_same_bios;
      unsigned int num_write_zeroes_bios;
      unsigned int per_io_data_size;
      void *private;
      char *error;
      bool flush_supported;
      bool discards_supported;
      bool limit_swap_bios;
  };
  

• In 5.13: ✅

  struct dm_target {
      struct dm_table *table;
      struct target_type *type;
      sector_t begin;
      sector_t len;
      uint32_t max_io_len;
      unsigned int num_flush_bios;
      unsigned int num_discard_bios;
      unsigned int num_secure_erase_bios;
      unsigned int num_write_same_bios;
      unsigned int num_write_zeroes_bios;
      unsigned int per_io_data_size;
      void *private;
      char *error;
      bool flush_supported;
      bool discards_supported;
      bool limit_swap_bios;
  };
  

• In 5.15: ✅

  struct dm_target {
      struct dm_table *table;
      struct target_type *type;
      sector_t begin;
      sector_t len;
      uint32_t max_io_len;
      unsigned int num_flush_bios;
      unsigned int num_discard_bios;
      unsigned int num_secure_erase_bios;
      unsigned int num_write_same_bios;
      unsigned int num_write_zeroes_bios;
      unsigned int per_io_data_size;
      void *private;
      char *error;
      bool flush_supported;
      bool discards_supported;
      bool limit_swap_bios;
      bool emulate_zone_append;
  };
  

• In 5.19: ✅

  struct dm_target {
      struct dm_table *table;
      struct target_type *type;
      sector_t begin;
      sector_t len;
      uint32_t max_io_len;
      unsigned int num_flush_bios;
      unsigned int num_discard_bios;
      unsigned int num_secure_erase_bios;
      unsigned int num_write_zeroes_bios;
      unsigned int per_io_data_size;
      void *private;
      char *error;
      bool flush_supported;
      bool discards_supported;
      bool limit_swap_bios;
      bool emulate_zone_append;
      bool accounts_remapped_io;
      bool needs_bio_set_dev;
  };
  

• In 6.2: ✅

  struct dm_target {
      struct dm_table *table;
      struct target_type *type;
      sector_t begin;
      sector_t len;
      uint32_t max_io_len;
      unsigned int num_flush_bios;
      unsigned int num_discard_bios;
      unsigned int num_secure_erase_bios;
      unsigned int num_write_zeroes_bios;
      unsigned int per_io_data_size;
      void *private;
      char *error;
      bool flush_supported;
      bool discards_supported;
      bool limit_swap_bios;
      bool emulate_zone_append;
      bool accounts_remapped_io;
      bool needs_bio_set_dev;
  };
  

• In 6.5: ✅

  struct dm_target {
      struct dm_table *table;
      struct target_type *type;
      sector_t begin;
      sector_t len;
      uint32_t max_io_len;
      unsigned int num_flush_bios;
      unsigned int num_discard_bios;
      unsigned int num_secure_erase_bios;
      unsigned int num_write_zeroes_bios;
      unsigned int per_io_data_size;
      void *private;
      char *error;
      bool flush_supported;
      bool discards_supported;
      bool max_discard_granularity;
      bool max_secure_erase_granularity;
      bool max_write_zeroes_granularity;
      bool limit_swap_bios;
      bool emulate_zone_append;
      bool accounts_remapped_io;
      bool needs_bio_set_dev;
  };
  

• In 6.8: ✅

  struct dm_target {
      struct dm_table *table;
      struct target_type *type;
      sector_t begin;
      sector_t len;
      uint32_t max_io_len;
      unsigned int num_flush_bios;
      unsigned int num_discard_bios;
      unsigned int num_secure_erase_bios;
      unsigned int num_write_zeroes_bios;
      unsigned int per_io_data_size;
      void *private;
      char *error;
      bool flush_supported;
      bool discards_supported;
      bool max_discard_granularity;
      bool max_secure_erase_granularity;
      bool max_write_zeroes_granularity;
      bool limit_swap_bios;
      bool emulate_zone_append;
      bool accounts_remapped_io;
      bool needs_bio_set_dev;
  };
  

Arch

• In arm64: ✅

  struct dm_target {
      struct dm_table *table;
      struct target_type *type;
      sector_t begin;
      sector_t len;
      uint32_t max_io_len;
      unsigned int num_flush_bios;
      unsigned int num_discard_bios;
      unsigned int num_secure_erase_bios;
      unsigned int num_write_same_bios;
      unsigned int num_write_zeroes_bios;
      unsigned int per_io_data_size;
      void *private;
      char *error;
      bool flush_supported;
      bool discards_supported;
  };
  

• In armhf: ✅

  struct dm_target {
      struct dm_table *table;
      struct target_type *type;
      sector_t begin;
      sector_t len;
      uint32_t max_io_len;
      unsigned int num_flush_bios;
      unsigned int num_discard_bios;
      unsigned int num_secure_erase_bios;
      unsigned int num_write_same_bios;
      unsigned int num_write_zeroes_bios;
      unsigned int per_io_data_size;
      void *private;
      char *error;
      bool flush_supported;
      bool discards_supported;
  };
  

• In ppc64el: ✅

  struct dm_target {
      struct dm_table *table;
      struct target_type *type;
      sector_t begin;
      sector_t len;
      uint32_t max_io_len;
      unsigned int num_flush_bios;
      unsigned int num_discard_bios;
      unsigned int num_secure_erase_bios;
      unsigned int num_write_same_bios;
      unsigned int num_write_zeroes_bios;
      unsigned int per_io_data_size;
      void *private;
      char *error;
      bool flush_supported;
      bool discards_supported;
  };
  

• In riscv64: ✅

  struct dm_target {
      struct dm_table *table;
      struct target_type *type;
      sector_t begin;
      sector_t len;
      uint32_t max_io_len;
      unsigned int num_flush_bios;
      unsigned int num_discard_bios;
      unsigned int num_secure_erase_bios;
      unsigned int num_write_same_bios;
      unsigned int num_write_zeroes_bios;
      unsigned int per_io_data_size;
      void *private;
      char *error;
      bool flush_supported;
      bool discards_supported;
  };
  

Flavor

• In aws: ✅

  struct dm_target {
      struct dm_table *table;
      struct target_type *type;
      sector_t begin;
      sector_t len;
      uint32_t max_io_len;
      unsigned int num_flush_bios;
      unsigned int num_discard_bios;
      unsigned int num_secure_erase_bios;
      unsigned int num_write_same_bios;
      unsigned int num_write_zeroes_bios;
      unsigned int per_io_data_size;
      void *private;
      char *error;
      bool flush_supported;
      bool discards_supported;
  };
  

• In azure: ✅

  struct dm_target {
      struct dm_table *table;
      struct target_type *type;
      sector_t begin;
      sector_t len;
      uint32_t max_io_len;
      unsigned int num_flush_bios;
      unsigned int num_discard_bios;
      unsigned int num_secure_erase_bios;
      unsigned int num_write_same_bios;
      unsigned int num_write_zeroes_bios;
      unsigned int per_io_data_size;
      void *private;
      char *error;
      bool flush_supported;
      bool discards_supported;
  };
  

• In gcp: ✅

  struct dm_target {
      struct dm_table *table;
      struct target_type *type;
      sector_t begin;
      sector_t len;
      uint32_t max_io_len;
      unsigned int num_flush_bios;
      unsigned int num_discard_bios;
      unsigned int num_secure_erase_bios;
      unsigned int num_write_same_bios;
      unsigned int num_write_zeroes_bios;
      unsigned int per_io_data_size;
      void *private;
      char *error;
      bool flush_supported;
      bool discards_supported;
  };
  

• In lowlatency: ✅

  struct dm_target {
      struct dm_table *table;
      struct target_type *type;
      sector_t begin;
      sector_t len;
      uint32_t max_io_len;
      unsigned int num_flush_bios;
      unsigned int num_discard_bios;
      unsigned int num_secure_erase_bios;
      unsigned int num_write_same_bios;
      unsigned int num_write_zeroes_bios;
      unsigned int per_io_data_size;
      void *private;
      char *error;
      bool flush_supported;
      bool discards_supported;
  };
  

Differences

Regular

• Changed between 4.4 and 4.8 ⚠️

  • Field added. unsigned int per_io_data_size
  • Field removed. unsigned int per_bio_data_size
• No changes between 4.8 and 4.10 ✅
• Changed between 4.10 and 4.13 ⚠️

  • Field added. unsigned int num_write_zeroes_bios
  • Field removed. bool discard_zeroes_data_unsupported
• No changes between 4.13 and 4.15 ✅
• Changed between 4.15 and 4.18 ⚠️

  • Field added. unsigned int num_secure_erase_bios
  • Field removed. dm_num_write_bios_fn num_write_bios
• No changes between 4.18 and 5.0 ✅
• Changed between 5.0 and 5.3 ⚠️

  • Field removed. bool split_discard_bios
• 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. bool limit_swap_bios
• No changes between 5.11 and 5.13 ✅
• Changed between 5.13 and 5.15 ⚠️

  • Field added. bool emulate_zone_append
• Changed between 5.15 and 5.19 ⚠️

  • Field added. bool accounts_remapped_io
  • Field added. bool needs_bio_set_dev
  • Field removed. unsigned int num_write_same_bios
• No changes between 5.19 and 6.2 ✅
• Changed between 6.2 and 6.5 ⚠️

  • Field added. bool max_discard_granularity
  • Field added. bool max_secure_erase_granularity
  • Field added. bool max_write_zeroes_granularity
• 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 ✅