btrfs: update and correct description of btrfs_get_or_create_delayed_node()

The comment mistakenly says the function is returning PTR_ERR instead of
ERR_PTR. Fix it and update it so it's more descriptive.

Signed-off-by: Charles Han <hanchunchao@inspur.com>
Reviewed-by: David Sterba <dsterba@suse.com>
[ Enhance the function comment. ]
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Charles Han 2025-04-10 17:07:22 +08:00 • committed by David Sterba
commit ecf5b757c7