doc: give a more thorough id handling explanation
Currently there's no document explaining how idmappings work at all.
Add a document that gives an introduction and also goes into a bit more
detail for more advanced use-cases.
Cc: Christoph Hellwig <hch@infradead.org>
Cc: linux-fsdevel@vger.kernel.org
With-input-from: Seth Forshee <seth.forshee@digitalocean.com>
With-input-from: Aleksa Sarai <cyphar@cyphar.com>
Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
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(I'll likely be slow to respond since I'm going to be away over the
weekend.)
2 files changed