website-function

Function: unmap_underlying_metadata

Status

Regular

• In 4.4: ✅

  void unmap_underlying_metadata(struct block_device *bdev, sector_t block);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In fs/buffer.c (ffffffff81244220)
  Location: fs/buffer.c:1634
  Inline: False
  Direct callers:
    - fs/buffer.c:__block_write_begin
    - fs/buffer.c:nobh_write_begin
    - fs/direct-io.c:do_blockdev_direct_IO
    - fs/mpage.c:__mpage_writepage
    - fs/ext4/inode.c:ext4_block_write_begin
    - fs/ext4/inode.c:ext4_writepages
    - fs/ext4/page-io.c:ext4_bio_write_page
    - fs/ext4/extents.c:ext4_ext_handle_unwritten_extents
  

  Symbols:

  ffffffff81244220-ffffffff81244292: unmap_underlying_metadata (STB_GLOBAL)
  

• In 4.8: ✅

  void unmap_underlying_metadata(struct block_device *bdev, sector_t block);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In fs/buffer.c (ffffffff8126c500)
  Location: fs/buffer.c:1624
  Inline: False
  Direct callers:
    - fs/buffer.c:nobh_write_begin
    - fs/buffer.c:__block_write_begin_int
    - fs/buffer.c:__block_write_full_page
    - fs/direct-io.c:do_blockdev_direct_IO
    - fs/mpage.c:__mpage_writepage
    - fs/ext4/inode.c:ext4_writepages
    - fs/ext4/inode.c:ext4_block_write_begin
    - fs/ext4/page-io.c:ext4_bio_write_page
    - fs/ext4/extents.c:ext4_ext_map_blocks
  

  Symbols:

  ffffffff8126c500-ffffffff8126c572: unmap_underlying_metadata (STB_GLOBAL)
  

• In 4.10: Absent ⚠️
• In 4.13: Absent ⚠️
• In 4.15: Absent ⚠️
• In 4.18: Absent ⚠️
• In 5.0: Absent ⚠️
• In 5.3: Absent ⚠️
• In 5.4: Absent ⚠️
• In 5.8: Absent ⚠️
• In 5.11: Absent ⚠️
• In 5.13: Absent ⚠️
• In 5.15: Absent ⚠️
• In 5.19: Absent ⚠️
• In 6.2: Absent ⚠️
• In 6.5: Absent ⚠️
• In 6.8: Absent ⚠️

Arch

• In arm64: Absent ⚠️
• In armhf: Absent ⚠️
• In ppc64el: Absent ⚠️
• In riscv64: Absent ⚠️

Flavor

• In aws: Absent ⚠️
• In azure: Absent ⚠️
• In gcp: Absent ⚠️
• In lowlatency: Absent ⚠️

Differences

Regular

• No changes between 4.4 and 4.8 ✅