DepSurf

Function: blk_get_backing_dev_info

Status

Regular

• In 4.4: ✅

  struct backing_dev_info *blk_get_backing_dev_info(struct block_device *bdev);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In block/blk-core.c (ffffffff813b45a0)
  Location: block/blk-core.c:114
  Inline: False
  Direct callers:
    - mm/filemap.c:pagecache_get_page
    - mm/filemap.c:__filemap_fdatawrite_range
    - mm/filemap.c:__generic_file_write_iter
    - mm/page-writeback.c:clear_page_dirty_for_io
    - mm/page-writeback.c:write_cache_pages
    - mm/page-writeback.c:balance_dirty_pages_ratelimited
    - mm/page-writeback.c:balance_dirty_pages_ratelimited
    - mm/page-writeback.c:account_page_dirtied
    - mm/page-writeback.c:account_page_redirty
    - mm/page-writeback.c:__test_set_page_writeback
    - mm/page-writeback.c:cancel_dirty_page
    - mm/page-writeback.c:test_clear_page_writeback
    - mm/readahead.c:file_ra_state_init
    - mm/readahead.c:force_page_cache_readahead
    - mm/migrate.c:migrate_page_move_mapping
    - mm/memcontrol.c:mem_cgroup_move_account
    - mm/memory-failure.c:memory_failure
    - fs/fs-writeback.c:perf_trace_writeback_dirty_inode_template
    - fs/fs-writeback.c:perf_trace_writeback_dirty_page
    - fs/fs-writeback.c:trace_event_raw_event_writeback_dirty_inode_template
    - fs/fs-writeback.c:trace_event_raw_event_writeback_dirty_page
    - fs/fs-writeback.c:perf_trace_writeback_sb_inodes_requeue
    - fs/fs-writeback.c:perf_trace_writeback_write_inode_template
    - fs/fs-writeback.c:perf_trace_writeback_single_inode_template
    - fs/fs-writeback.c:trace_event_raw_event_writeback_sb_inodes_requeue
    - fs/fs-writeback.c:trace_event_raw_event_writeback_write_inode_template
    - fs/fs-writeback.c:trace_event_raw_event_writeback_single_inode_template
    - fs/fs-writeback.c:inode_switch_wbs
    - fs/fs-writeback.c:__inode_attach_wb
    - fs/fs-writeback.c:__inode_attach_wb
    - fs/fs-writeback.c:write_inode_now
    - fs/fs-writeback.c:write_inode_now
    - fs/fs-writeback.c:sync_inode
    - fs/ext4/super.c:ext4_commit_super
    - fs/fuse/file.c:fuse_file_write_iter
    - fs/fuse/file.c:fuse_writepage_locked
    - fs/fuse/file.c:fuse_writepages_fill
    - fs/fuse/file.c:fuse_writepages_fill
    - block/ioctl.c:blkdev_ioctl
    - block/ioctl.c:blkdev_ioctl
    - block/compat_ioctl.c:compat_blkdev_ioctl
    - block/compat_ioctl.c:compat_blkdev_ioctl
  

  Symbols:

  ffffffff813b45a0-ffffffff813b45bf: blk_get_backing_dev_info (STB_GLOBAL)
  

• In 4.8: ✅

  struct backing_dev_info *blk_get_backing_dev_info(struct block_device *bdev);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In block/blk-core.c (ffffffff813f8290)
  Location: block/blk-core.c:114
  Inline: False
  Direct callers:
    - mm/filemap.c:__generic_file_write_iter
    - mm/filemap.c:pagecache_get_page
    - mm/filemap.c:__filemap_fdatawrite_range
    - mm/page-writeback.c:__test_set_page_writeback
    - mm/page-writeback.c:test_clear_page_writeback
    - mm/page-writeback.c:clear_page_dirty_for_io
    - mm/page-writeback.c:cancel_dirty_page
    - mm/page-writeback.c:account_page_redirty
    - mm/page-writeback.c:account_page_dirtied
    - mm/page-writeback.c:write_cache_pages
    - mm/page-writeback.c:balance_dirty_pages_ratelimited
    - mm/page-writeback.c:balance_dirty_pages_ratelimited
    - mm/readahead.c:force_page_cache_readahead
    - mm/readahead.c:file_ra_state_init
    - mm/fadvise.c:SyS_fadvise64
    - mm/migrate.c:migrate_page_move_mapping
    - mm/memcontrol.c:mem_cgroup_move_account
    - mm/memory-failure.c:memory_failure
    - fs/fs-writeback.c:write_inode_now
    - fs/fs-writeback.c:inode_switch_wbs
    - fs/fs-writeback.c:__inode_attach_wb
    - fs/fs-writeback.c:__inode_attach_wb
    - fs/fs-writeback.c:perf_trace_writeback_single_inode_template
    - fs/fs-writeback.c:perf_trace_writeback_sb_inodes_requeue
    - fs/fs-writeback.c:perf_trace_writeback_write_inode_template
    - fs/fs-writeback.c:perf_trace_writeback_dirty_inode_template
    - fs/fs-writeback.c:perf_trace_writeback_dirty_page
    - fs/fs-writeback.c:trace_event_raw_event_writeback_single_inode_template
    - fs/fs-writeback.c:trace_event_raw_event_writeback_sb_inodes_requeue
    - fs/fs-writeback.c:trace_event_raw_event_writeback_write_inode_template
    - fs/fs-writeback.c:trace_event_raw_event_writeback_dirty_inode_template
    - fs/fs-writeback.c:trace_event_raw_event_writeback_dirty_page
    - fs/ext4/super.c:ext4_commit_super
    - fs/fuse/file.c:fuse_writepages_fill
    - fs/fuse/file.c:fuse_writepages_fill
    - fs/fuse/file.c:fuse_writepage_locked
    - fs/fuse/file.c:fuse_file_write_iter
    - block/ioctl.c:blkdev_ioctl
    - block/ioctl.c:blkdev_ioctl
    - block/compat_ioctl.c:compat_blkdev_ioctl
    - block/compat_ioctl.c:compat_blkdev_ioctl
  

  Symbols:

  ffffffff813f8290-ffffffff813f82af: blk_get_backing_dev_info (STB_GLOBAL)
  

• In 4.10: ✅

  struct backing_dev_info *blk_get_backing_dev_info(struct block_device *bdev);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In block/blk-core.c (ffffffff81411cb0)
  Location: block/blk-core.c:115
  Inline: False
  Direct callers:
    - mm/filemap.c:__generic_file_write_iter
    - mm/filemap.c:pagecache_get_page
    - mm/filemap.c:__filemap_fdatawrite_range
    - mm/page-writeback.c:__test_set_page_writeback
    - mm/page-writeback.c:test_clear_page_writeback
    - mm/page-writeback.c:clear_page_dirty_for_io
    - mm/page-writeback.c:cancel_dirty_page
    - mm/page-writeback.c:account_page_redirty
    - mm/page-writeback.c:account_page_dirtied
    - mm/page-writeback.c:write_cache_pages
    - mm/page-writeback.c:balance_dirty_pages_ratelimited
    - mm/page-writeback.c:balance_dirty_pages_ratelimited
    - mm/readahead.c:ondemand_readahead
    - mm/readahead.c:force_page_cache_readahead
    - mm/readahead.c:file_ra_state_init
    - mm/fadvise.c:SyS_fadvise64
    - mm/swapfile.c:SyS_swapon
    - mm/migrate.c:migrate_page_move_mapping
    - mm/memcontrol.c:mem_cgroup_move_account
    - mm/memory-failure.c:memory_failure
    - fs/fs-writeback.c:write_inode_now
    - fs/fs-writeback.c:inode_switch_wbs
    - fs/fs-writeback.c:__inode_attach_wb
    - fs/fs-writeback.c:__inode_attach_wb
    - fs/fs-writeback.c:perf_trace_writeback_single_inode_template
    - fs/fs-writeback.c:perf_trace_writeback_sb_inodes_requeue
    - fs/fs-writeback.c:perf_trace_writeback_write_inode_template
    - fs/fs-writeback.c:perf_trace_writeback_dirty_inode_template
    - fs/fs-writeback.c:perf_trace_writeback_dirty_page
    - fs/fs-writeback.c:trace_event_raw_event_writeback_single_inode_template
    - fs/fs-writeback.c:trace_event_raw_event_writeback_sb_inodes_requeue
    - fs/fs-writeback.c:trace_event_raw_event_writeback_write_inode_template
    - fs/fs-writeback.c:trace_event_raw_event_writeback_dirty_inode_template
    - fs/fs-writeback.c:trace_event_raw_event_writeback_dirty_page
    - fs/ext4/super.c:ext4_commit_super
    - fs/fuse/file.c:fuse_writepages_fill
    - fs/fuse/file.c:fuse_writepages_fill
    - fs/fuse/file.c:fuse_writepage_locked
    - fs/fuse/file.c:fuse_file_write_iter
    - block/ioctl.c:blkdev_ioctl
    - block/ioctl.c:blkdev_ioctl
    - block/compat_ioctl.c:compat_blkdev_ioctl
    - block/compat_ioctl.c:compat_blkdev_ioctl
  

  Symbols:

  ffffffff81411cb0-ffffffff81411ccf: blk_get_backing_dev_info (STB_GLOBAL)
  

• 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 ✅
• No changes between 4.8 and 4.10 ✅