Re: Starting a grad project that may change kernel VFS. Early researchRe: Starting a grad project that may change kernel VFS. Early research

[Rik van Riel]

Jeff Shanab wrote:

> Updates start at the file and only work upwards back to root. How does
> the hardlink get traversed?

A hard link is just a second directory entry linking to
the same inode.  There are no back links from inodes to
the directory entries that point to them and they are
essentially indistinguishable from files that are not
hardlinked.

Hard links have been done like this in pretty much every
Unix filesystem since the 1970's.

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