dedf0be544
This patch implements the Namespace Write Protect feature described in "NVMe TP 4005a Namespace Write Protect". In this version, we implement No Write Protect and Write Protect states for target ns which can be toggled by set-features commands from the host side. For write-protect state transition, we need to flush the ns specified as a part of command so we also add helpers for carrying out synchronous flush operations. Signed-off-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com> [hch: fixed an incorrect endianess conversion, minor cleanups] Signed-off-by: Christoph Hellwig <hch@lst.de> |
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