Re: Repercussions of overflow in get_next_ino()

From: J. R. Okajima
Date: Thu May 07 2015 - 12:40:03 EST


Hello,

Nikolay Borisov:
> My question is what are the repercussions of get_next_ino overflowing
> and at some point having possibly multiple inodes on my system with the
> same i_ino id? And why is it safe to have the inode id's overflow and
> wrap around?

I am afraid some applications won't work correctly.
As far as I know, ls(1) and find(1) don't show the file whose inum is
zero.

See also
Subject: [PATCH v2] vfs: get_next_ino(), never inum=0
Date: 2014-05-28 14:06:32
http://marc.info/?l=linux-fsdevel&m=140128600801771&w=2
and their thread.

For tmpfs, I have another patch. Just FYI, here attached.


J. R. Okajima

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