nilfs_sufile_get_stat(9)

🌸 NAME 🌸

nilfs_sufile_get_stat — get segment usage statistics. This is page nilfs_sufile_get_stat(9) from the Kernel API Manual, and bestie, it is literally giving kernel-statistics main character energy ✨.

✨ SYNOPSIS ✨

int nilfs_sufile_get_stat (struct inode *sufile , struct nilfs_sustat
       *sustat );

🎀 ARGUMENTS 🎀

• sufile — inode of segment usage file 🗂️
• sustat — pointer to a structure of segment usage statistics 📊

💫 DESCRIPTION 💫

okay so nilfs_sufile_get_stat retrieves segment usage statistics and stores them in the location pointed to by sustat. That's the vibe: grab the stats, put them where sustat points 💅.

🔥 RETURN 🔥

0 on success, or one of the following negative error codes on failure:

• -EIO — I/O error (including metadata corruption) 😭
• -ENOMEM — Insufficient memory available 💀

🦋 SEE ALSO 🦋

Kernel file ./fs/nilfs2/sufile.c — plus the whole friend group:

• struct nilfs_sufile_info(9)
• nilfs_sufile_segment_usage_offset(9)
• nilfs_sufile_get_ncleansegs(9)
• nilfs_sufile_updatev(9)
• nilfs_sufile_set_alloc_range(9)
• nilfs_sufile_alloc(9)
• nilfs_sufile_mark_dirty(9)
• nilfs_sufile_set_segment_usage(9)
• nilfs_sufile_truncate_range(9)
• nilfs_sufile_resize(9)
• nilfs_sufile_get_suinfo(9)
• nilfs_sufile_set_suinfo(9)
• nilfs_sufile_trim_fs(9)
• nilfs_sufile_read(9)

xoxo bestie 💖 this one came from ./fs/nilfs2 and is dated October 2026 🎀