STRUCT NILFS_SUFILE_HEADER(9)

🌸 NAME 🌸

okay bestie, this is the manual page for struct nilfs_sufile_header(9) from the Kernel API Manual — literally the segment usage file header. That’s the whole vibe: header energy, but make it NILFS2. 💅

✨ SYNOPSIS ✨

struct nilfs_sufile_header {
    __le64 sh_ncleansegs;
    __le64 sh_ndirtysegs;
    __le64 sh_last_alloc;
};

🎀 Members 🎀

• sh_ncleansegs — number of clean segments 💖
• sh_ndirtysegs — number of dirty segments 🫧
• sh_last_alloc — last allocated segment number ✨

🌈 SEE ALSO 🌈

Kernel file ./include/uapi/linux/nilfs2_ondisk.h — like, go peek at the source, bestie 👀

also lowkey obsessed with these:

• struct nilfs_inode(9)
• struct nilfs_super_root(9)
• struct nilfs_super_block(9)
• struct nilfs_finfo(9)
• struct nilfs_binfo_v(9)
• struct nilfs_binfo_dat(9)
• union nilfs_binfo(9)
• struct nilfs_segment_summary(9)
• struct nilfs_btree_node(9)
• struct nilfs_direct_node(9)
• struct nilfs_palloc_group_desc(9)
• struct nilfs_dat_entry(9)
• struct nilfs_snapshot_list(9)
• struct nilfs_checkpoint(9)
• struct nilfs_cpfile_header(9)
• struct nilfs_segment_usage(9)

mwah 💋 this one lives in ./include/uapi/linux, is dated October 2026, and it’s literally struct nilfs_sufile_header(9) — periodt. 🫶