nilfs_sb2_bad_offset(9)

🌸 NAME 🌸

nilfs_sb2_bad_offset — check the location of the second superblock. Also hiiii, this is the nilfs_sb2_bad_offset(9) page from the Kernel API Manual, and yes bestie, we're gonna get through it together 🫶.

---

✨ SYNOPSIS ✨

bool nilfs_sb2_bad_offset (struct nilfs_super_block *sbp , u64 offset );

---

🎀 ARGUMENTS 🎀

• sbp — the superblock raw data buffer, literally the raw data buffer for the superblock 💅
• offset — byte offset of the second superblock calculated from device size, periodt.

---

💅 DESCRIPTION 💅

Okay so nilfs_sb2_bad_offset checks if the position of the second superblock is valid or not, based on the filesystem parameters stored in sbp. That's the whole assignment, no cap.

If offset points to a location within the segment area, or if the parameters themselves are not normal, it is determined to be invalid 😭

It's giving "vibe check for the second superblock location," and honestly? Iconic 🔥.

---

🌈 RETURN 🌈

• true if invalid
• false if valid

Short, sweet, and very much main character energy ✨.

---

🦋 SEE ALSO 🦋

Kernel file ./fs/nilfs2/the_nilfs.c:

• alloc_nilfs(9)
• destroy_nilfs(9)
• nilfs_store_log_cursor(9)
• nilfs_get_blocksize(9)
• load_nilfs(9)
• nilfs_nrsvsegs(9)
• nilfs_max_segment_count(9)
• init_nilfs(9)

---

okay bye bestie, mwah 💋 — this lil page lives in ./fs/nilfs2, October 2026 edition, and it's still your nilfs_sb2_bad_offset(9) era from the Kernel API Manual 🌟