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SubjectRe: [prepatch] address_space-based writeback
On Tue, 30 Apr 2002 23:15:23 +1000, 
john slee <> wrote:
>probably because there is software out there relying on them being
>numbers and being able to do 'if(inum_a == inum_b) { same_file(); }'
>as appropriate. i can't think of a use for such a construct other than
>preserving hardlinks in archives (does tar do this?) but i'm sure there
>are others

Any program that tries to preserve or detect hard links. cp, mv (files
a and b are the same file). tar, cpio, rsync -H, du, etc.

The assumption that inode numbers are unique within a mount point is
one of the reasons that NFS export does not cross mount points by
default. man exports, look for 'nohide'.

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