tb_property_merge_dir(9)

💖 tb_property_merge_dir(9) — the Kernel API Manual moment 💖

okay bestie, welcome to tb_property_merge_dir, straight out of the Kernel API Manual. this is the little function that takes one property directory and yeets it into another one. merging era ✨ let's get into it.

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🌸 NAME 🌸

tb_property_merge_dir — literally merges a directory into its parent. that's the whole vibe, no cap.

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🦋 SYNOPSIS 🦋

int tb_property_merge_dir (struct tb_property_dir *parent , const struct
       tb_property_dir *dir , bool replace );

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🎀 ARGUMENTS 🎀

• parent — the directory that dir gets merged into. she's the main character here, receiving everything 💅
• dir — the directory that is getting merged. she's the one being folded in, iconic behavior
• replace — controls whether existing entries get replaced. yes/no energy 🔥

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✨ DESCRIPTION ✨

so here's the tea: this merges dir into parent. both of them must have the same UUID — that's non-negotiable, fr fr. 🫶

the properties sitting in dir will overwrite the overlapping properties inside parent, but only if replace is true. no true, no overwrite, that's the rule.

also important, bestie: the contents of dir are copied over. so if you don't need dir afterwards, you gotta release it by calling tb_property_free_dir. don't leave her hanging with a memory leak, i'm begging 😭

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👑 SEE ALSO 👑

• Kernel file ./drivers/thunderbolt/property.c
• tb_property_parse_dir(9)
• tb_property_create_dir(9)
• tb_property_free_dir(9)
• tb_property_format_dir(9)
• tb_property_copy_dir(9)
• tb_property_add_immediate(9)
• tb_property_add_data(9)
• tb_property_add_text(9)
• tb_property_add_dir(9)
• tb_property_remove(9)
• tb_property_find(9)
• tb_property_get_next(9)

the whole friend group, honestly. go say hi 🌈

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okay that's the page!! this one lives under ./drivers/thunderbolt, and it's dated October 2026 in the Kernel API Manual — tb_property_merge_dir(9) signing off 💜🧚 mwah, go merge responsibly 💖