1IUNIQUE(9)                       The Linux VFS                      IUNIQUE(9)
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NAME

6       iunique - get a unique inode number
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SYNOPSIS

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

12       sb
13           superblock
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15       max_reserved
16           highest reserved inode number
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DESCRIPTION

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

25       With a large number of inodes live on the file system this function
26       currently becomes quite slow.
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29Kernel Hackers Manual 3.10         June 2019                        IUNIQUE(9)
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