ubifs_jnl_write_inode(9)

✨ ubifs_jnl_write_inode(9) ✨

okay so this is a page from the Kernel API Manual, bestie — it's ubifs_jnl_write_inode(9) and it's literally all about flushing an inode to the journal 🎀 no cap, that's the whole vibe.

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💖 NAME 💖

ubifs_jnl_write_inode — flush inode to the journal. that's it. that's the function. slay 💅

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🌸 SYNOPSIS 🌸

int ubifs_jnl_write_inode (struct ubifs_info *c , const struct inode
*inode );

like, it takes two things and gives you back an int. iconic behavior fr fr ✨

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🦋 ARGUMENTS 🦋

• c — the UBIFS file-system description object 🗂️ your whole filesystem's little identity card, essentially.
• inode — the inode to flush 🚽✨ (jk jk, it's the inode you're writing out, but the wordplay was right there)

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💀 DESCRIPTION 💀

so what does it actually do? this function writes inode to the journal 📓💫 that's the main character move right there.

and listen — if the inode is synchronous, it also synchronizes the write-buffer. like it doesn't just drop the write and dip, it waits and makes sure the buffer is synced too 🫶 highkey thorough of it.

what does it return, you ask? zero on success 🎉 and a negative error code on failure 😭 so like, check your return values, bestie, always.

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🔥 SEE ALSO 🔥

okay this list is LONG but we do not skip, we do not summarise, we list every single one because that's the assignment 💅 and honestly? the whole ./fs/ubifs/journal.c squad showed up:

zero_ino_node_unused(9), zero_dent_node_unused(9), zero_trun_node_unused(9), reserve_space(9), write_head(9), __queue_and_wait(9), wait_for_reservation(9), wake_up_reservation(9), add_or_start_queue(9), make_reservation(9), release_head(9), finish_reservation(9), get_dent_type(9), pack_inode(9), mark_inode_clean(9), ubifs_jnl_update(9), ubifs_jnl_write_data(9), ubifs_jnl_delete_inode(9), ubifs_jnl_xrename(9), ubifs_jnl_rename(9), truncate_data_node(9), ubifs_jnl_truncate(9), ubifs_jnl_delete_xattr(9), ubifs_jnl_change_xattr(9)

like. the whole friend group 🫂 go read them too, iykyk 🌈

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and that's the page!! brought to you by ./fs/ubifs, dated October 2026, from the Kernel API Manual — mwah, go touch some inodes 💜