Thread (13 messages) 13 messages, 3 authors, 2020-12-09

Re: [PATCH 6/6] nvme: allow revalidate to set a namespace read-only

From: Hannes Reinecke <hare@suse.de>
Date: 2020-12-08 16:50:04
Also in: ceph-devel, dm-devel, linux-nvme

On 12/8/20 5:28 PM, Christoph Hellwig wrote:
quoted hunk ↗ jump to hunk
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 <hch@lst.de>
Reviewed-by: Keith Busch <kbusch@kernel.org>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
---
  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 <hare@suse.de>

Cheers,

Hannes
-- 
Dr. Hannes Reinecke                Kernel Storage Architect
hare@suse.de                              +49 911 74053 688
SUSE Software Solutions GmbH, Maxfeldstr. 5, 90409 Nürnberg
HRB 36809 (AG Nürnberg), Geschäftsführer: Felix Imendörffer
Keyboard shortcuts
hback out one level
jnext message in thread
kprevious message in thread
ldrill in
Escclose help / fold thread tree
?toggle this help