mnt: support ns lookup

Move the mount namespace to the generic ns lookup infrastructure.
This allows us to drop a bunch of members from struct mnt_namespace.

Signed-off-by: Christian Brauner <brauner@kernel.org>
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Christian Brauner 2025-09-12 13:52:41 +02:00
commit 7d7d164989
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3 changed files with 33 additions and 120 deletions