btrfs: unexport btrfs_subpage_start_writer() and btrfs_subpage_end_and_test_writer()

Both functions were introduced in commit 1e1de38792 ("btrfs: make
process_one_page() to handle subpage locking"), but they have never
been utilized out of subpage code.  So just unexport them.

Signed-off-by: Qu Wenruo <wqu@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Qu Wenruo 2024-02-17 16:59:48 +10:30 • committed by David Sterba
commit 621b9ff18c
2 changed files with 4 additions and 8 deletions