check_volume_empty(9)

👑 check_volume_empty(9)

okay so this page is from the Kernel API Manual, and it’s literally all about check_volume_empty(9) — the function that checks if the UBI volume is empty. bestie, let’s get into it 💅

🌸 NAME

check_volume_empty — check if the UBI volume is empty.

✨ SYNOPSIS

int check_volume_empty (struct ubifs_info *c );

🎀 ARGUMENTS

• c — UBIFS file-system description object

🦋 DESCRIPTION

So the vibe is this: this function checks if the UBIFS volume is empty by looking at whether its LEBs are mapped or not. iconic behavior, honestly ✨

The result of that checking is stored in the c->empty variable. no cap, that’s where it lives.

It returns 0 in case of success and a negative error code in case of failure. success is zero, failure is negative — periodt 💖

💖 SEE ALSO

Kernel file ./fs/ubifs/super.c is the main character here, and these besties are linked too:

• validate_inode(9)
• init_constants_early(9)
• bud_wbuf_callback(9)
• take_gc_lnum(9)
• alloc_wbufs(9)
• free_wbufs(9)
• free_orphans(9)
• free_buds(9)
• ubifs_parse_param(9)
• destroy_journal(9)
• bu_init(9)
• check_free_space(9)
• mount_ubifs(9)
• ubifs_umount(9)
• ubifs_remount_rw(9)
• ubifs_remount_ro(9)
• open_ubi(9)

cute lil sign-off: this page’s source/version is ./fs/ubifs, dated October 2026, for check_volume_empty(9) 🫶✨