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The namespace disk names must be unique for the lifetime of the subsystem. This was accomplished by using their parent subsystems' instances which were allocated independently from the controllers connected to that subsystem. This allowed name prefixes assigned to namespaces to match a controller from an unrelated subsystem, and has created confusion among users examining device nodes. Ensure a namespace's subsystem instance never clashes with a controller instance of another subsystem by transferring the instance ownership to the parent subsystem from the first controller discovered in that subsystem. Reviewed-by: Logan Gunthorpe <logang@deltatee.com> Signed-off-by: Keith Busch <kbusch@kernel.org> Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Minwoo Im <minwoo.im@samsung.com> Reviewed-by: Hannes Reinecke <hare@suse.com> Reviewed-off-by: Sagi Grimberg <sagi@grimberg.me> Signed-off-by: Sagi Grimberg <sagi@grimberg.me> |
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