nilfs_ifile_read(9)

🌸 nilfs_ifile_read — NAME ✨

okay so bestie, welcome to the Kernel API Manual entry for nilfs_ifile_read(9) — it literally reads (or gets 👀) the ifile inode. that's the whole vibe. short king, but important.

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🦋 SYNOPSIS

int nilfs_ifile_read (struct super_block *sb , struct nilfs_root *root ,
       __u64 cno , size_t inode_size );

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🎀 ARGUMENTS

bestie the arguments are giving very specific and we respect that 💅

• sb — the super block instance 🫶
• root — the root object, yes ma'am
• cno — number of checkpoint entry to read (checkpoint entry, not the other thing, iykyk)
• inode_size — size of an inode, literally exactly what it sounds like

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💀 RETURN

so on success you get 0 🎉 and on failure you get one of these negative error codes, no cap:

• -EINVAL — Invalid checkpoint. 🚩
• -ENOMEM — Insufficient memory available. 😭
• -EIO — I/O error (including metadata corruption). 💀 that one's the scary one, fr fr — metadata corruption is included in this, don't sleep on it.

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🌈 SEE ALSO

go read these next, bestie, they're iconic 👑

• Kernel file ./fs/nilfs2/ifile.c
• struct nilfs_ifile_info(9)
• nilfs_ifile_create_inode(9)
• nilfs_ifile_delete_inode(9)
• nilfs_ifile_count_free_inodes(9)

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🧚 tiny note to self: this page lives under ./fs/nilfs2, and it's stamped October 2026 — so yeah, future-dated slay ✨

and that's the whole page, bestie 💖 nilfs_ifile_read(9) from the Kernel API Manual, source path ./fs/nilfs2, dated October 2026 — periodt. 🎀🦋💅