XFS file system needs --encrypt-format-all

[justingross-msft]

It would be nice to make a note or put a link for the --encrypt-format-all that says XFS needs this to be encrypted. https://learn.microsoft.com/en-us/azure/virtual-machines/linux/disk-encryption-faq#is-xfs-filesystem-supported-

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Document Details

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• ID: 4762f857-8a1e-f1bb-7843-3d8fefe28f8e
• Version Independent ID: 91ce956c-c915-5053-56b0-a489fb2f7b00
• Content: az vm encryption
• Content Source: latest/docs-ref-autogen/vm/encryption.yml
• Service: virtual-machines
• GitHub Login: @rloutlaw
• Microsoft Alias: routlaw

[yonzhan]

@zhoxing-ms for awareness