On 11/09/2015 11:34 AM, Valeri Galtsev wrote:
I wonder how filesystem behaves when almost every file has some 400 hard
links to it. (thinking in terms of a year worth of daily backups).
Why do you think that would be a problem?
Most inodes have one hard link. When that link is removed, the link
count in the inode is decremented (inodes are reference-counted, you can
see their ref count in "ls -l" output). When the link count reaches 0
and no open file descriptors exist, the inode is removed.
Creating more hard links just increases the ref count. That's it. It's
not a weird special case.
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