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Commit 1293477f authored by Chaitanya Kulkarni's avatar Chaitanya Kulkarni Committed by Christoph Hellwig
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nvme: set gendisk read only based on nsattr 



NVMe 1.3 TP 4005 introduces new filed (NSATTR). This field indicates
whether given namespace is write protected or not. This patch sets the
gendisk associated with the namespace to read only based on the identify
namespace nsattr field.

Signed-off-by: default avatarChaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
parent 93045d59

drivers/nvme/host/core.c

+6 −0
Original line number Diff line number Diff line
@@ -1484,6 +1484,12 @@ static void nvme_update_disk_info(struct gendisk *disk, 


	set_capacity(disk, capacity);

	nvme_config_discard(ns);



	if (id->nsattr & (1 << 0))

		set_disk_ro(disk, true);

	else

		set_disk_ro(disk, false);



	blk_mq_unfreeze_queue(disk->queue);

}