path_has_submounts(9)

hey bestie, welcome to path_has_submounts(9) from the Kernel API Manual — this one’s short, sweet, and very “does this path have mount-point energy?” 💅✨

🎀 NAME 🎀

path_has_submounts — check for mounts over a dentry in the current namespace. That’s the whole assignment, no cap. 🫶

🌸 SYNOPSIS 🌸

int path_has_submounts (const struct path *parent );

🦋 ARGUMENTS 🦋

• parent — path to check. literally the path bestie, that’s it 💖

✨ DESCRIPTION ✨

Return true if the parent or its subdirectories contain a mount point in the current namespace. that’s the vibe check: parent path, subdirectories, mount point, current namespace — all of it matters 🔥

👑 SEE ALSO 👑

Kernel file ./fs/dcache.c — and the whole dcache friend group, in all their exact-name glory:

• d_drop(9)
• dentry_kill(9)
• __move_to_shrink_list(9)
• d_find_any_alias(9)
• d_find_alias(9)
• prune_dcache_sb(9)
• shrink_dcache_sb(9)
• enum d_walk_ret(9)
• d_walk(9)
• shrink_dcache_tree(9)
• d_invalidate(9)
• __d_alloc(9)
• d_alloc(9)
• d_alloc_pseudo(9)
• d_instantiate(9)
• d_obtain_alias(9)
• d_obtain_root(9)
• d_add_ci(9)
• d_same_name(9)
• __d_lookup_rcu(9)
• d_lookup(9)
• __d_lookup(9)
• d_hash_and_lookup(9)
• d_delete(9)
• d_rehash(9)
• d_add(9)
• d_ancestor(9)
• d_splice_alias(9)
• is_subdir(9)

okay bye bestie 💋 this page came from ./fs, dated October 2026, and it’s path_has_submounts(9) — mwah, stay iconic ✨🎀