Purpose of esp32 nvs_flash_deinit()?

[Xylopyrographer]

In working with the NVS system, I'm looking to understand what the

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 nvs_flash_deinit()

call actually does to the NVS partition.

To "reset' the NVS partition, the sequence:

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nvs_flash_erase();
nvs_flash_init();

makes sense.

But the sequence:

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nvs_flash_deinit();
nvs_flash_init();

(used against an existing NVS partition that had namespaces and key:value pairs in use within it) seems to have no effect, leaving the contents of the NVS partition as it was before the call.

So what is nvs_flash_deinit() doing?

Thanks.

[WiFive]

It is not doing anything to the partition, it is deiniting the *access* to the partition, like unmounting. Maybe you want to use nvs_erase_all

[Xylopyrographer]

Thanks for the reply. That makes sense.
Excuse the long delay. New to this board. It doesn't' send notifications on replies?