On 1/9/21 11:42 AM, Christoph Hellwig wrote:
Unconditionally call set_disk_ro now that it only updates the hardware
state.  This allows to properly set up the Linux devices read-only when
the controller turns a previously writable namespace read-only.

Signed-off-by: Christoph Hellwig <[email protected]>
Reviewed-by: Keith Busch <[email protected]>
Reviewed-by: Martin K. Petersen <[email protected]>
---
  drivers/nvme/host/core.c | 5 ++---
  1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index ce1b6151944131..3a0557ccc9fc5d 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -2114,9 +2114,8 @@ static void nvme_update_disk_info(struct gendisk *disk,
        nvme_config_discard(disk, ns);
        nvme_config_write_zeroes(disk, ns);
- if ((id->nsattr & NVME_NS_ATTR_RO) ||
-           test_bit(NVME_NS_FORCE_RO, &ns->flags))
-               set_disk_ro(disk, true);
+       set_disk_ro(disk, (id->nsattr & NVME_NS_ATTR_RO) ||
+               test_bit(NVME_NS_FORCE_RO, &ns->flags));
  }
static inline bool nvme_first_scan(struct gendisk *disk)

Reviewed-by: Hannes Reinecke <[email protected]>

Cheers,

Hannes
--
Dr. Hannes Reinecke                Kernel Storage Architect
[email protected]                              +49 911 74053 688
SUSE Software Solutions GmbH, Maxfeldstr. 5, 90409 Nürnberg
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