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2022-05-09docs: Add small intro to idmap examplesRodrigo Campos1-0/+5
When reading the documentation, I didn't understand why this list examples of things that fail without using the mount idmap feature. It seems pretty pointless and I doubted if I was missing something, until I finished the examples, the next section and saw the examples revisited. After that, it all made sense. Let's add one small sentence before, so the reader knows where this is going and why examples that don't might seem relevant are used. Link: https://lore.kernel.org/r/20220429135748.481301-1-rodrigo@sdfg.com.ar Reviewed-by: Christian Brauner (Microsoft) <brauner@kernel.org> Signed-off-by: Rodrigo Campos <rodrigo@sdfg.com.ar> Signed-off-by: Christian Brauner (Microsoft) <brauner@kernel.org>
2021-12-03docs: update mapping documentationChristian Brauner1-72/+0
Now that we implement the full remapping algorithms described in our documentation remove the section about shortcircuting them. Link: https://lore.kernel.org/r/20211123114227.3124056-6-brauner@kernel.org (v1) Link: https://lore.kernel.org/r/20211130121032.3753852-6-brauner@kernel.org (v2) Link: https://lore.kernel.org/r/20211203111707.3901969-6-brauner@kernel.org Cc: Seth Forshee <sforshee@digitalocean.com> Cc: Amir Goldstein <amir73il@gmail.com> Cc: Christoph Hellwig <hch@lst.de> Cc: Al Viro <viro@zeniv.linux.org.uk> CC: linux-fsdevel@vger.kernel.org Reviewed-by: Seth Forshee <sforshee@digitalocean.com> Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
2021-08-11doc: give a more thorough id handling explanationChristian Brauner1-0/+1026
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. Link: https://lore.kernel.org/r/20210727104416.828293-1-brauner@kernel.org Cc: Seth Forshee <seth.forshee@digitalocean.com> Cc: Christoph Hellwig <hch@infradead.org> Cc: Aleksa Sarai <cyphar@cyphar.com> Cc: linux-fsdevel@vger.kernel.org Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>