Re: [PATCH v3 19/30] null_blk: Introduce fua attribute

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On 3/27/24 5:43 PM, Damien Le Moal wrote:
Add the fua configfs attribute and module parameter to allow
configuring if the device supports FUA or not. Using this attribute
has an effect on the null_blk device only if memory backing is enabled
together with a write cache (cache_size option).

This new attribute allows configuring a null_blk device with a write
cache but without FUA support. This is convenient to test the block
layer flush machinery.

Reviewed-by: Bart Van Assche <bvanassche@xxxxxxx>




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