nilfs_tree_is_busy(9)

💅 nilfs_tree_is_busy(9) 💅

okay so bestie, this lil page is from the Kernel API Manual, and it's lowkey iconic ✨ the function is literally about having a vibe check on a checkpoint's dentries: try to shrink dentries of a checkpoint, then say whether the tree was in-use. no cap.

🌸 NAME 🌸

nilfs_tree_is_busy — try to shrink dentries of a checkpoint

That's the name and the mission, periodt.

✨ SYNOPSIS ✨

bool nilfs_tree_is_busy (struct dentry *root_dentry );

This is the signature, bestie — copy it exactly, fr fr.

🎀 ARGUMENTS 🎀

• root_dentry — root dentry of the tree to be shrunk 🫶

💖 RETURN 💖

true if the tree was in-use, false otherwise. That's the whole return vibe check, no extra lore.

🦋 SEE ALSO 🦋

Kernel file ./fs/nilfs2/super.c is giving main character energy, and the references are: __nilfs_error(9), nilfs_cleanup_super(9), nilfs_move_2nd_super(9), nilfs_resize_fs(9), nilfs_fill_super(9).

xoxo, source/version is ./fs/nilfs2, dated October 2026, and the page is nilfs_tree_is_busy(9) 💖✨