Scroll to navigation

IUNIQUE(9) The Linux VFS IUNIQUE(9)

NAME

iunique - get a unique inode number

SYNOPSIS

ino_t iunique(struct super_block * sb, ino_t max_reserved);

ARGUMENTS

struct super_block * sb
superblock

ino_t max_reserved

highest reserved inode number

DESCRIPTION

Obtain an inode number that is unique on the system for a given superblock. This is used by file systems that have no natural permanent inode numbering system. An inode number is returned that is higher than the reserved limit but unique.

BUGS: With a large number of inodes live on the file system this function currently becomes quite slow.

COPYRIGHT

September 2017 Kernel Hackers Manual 4.12