[PATCH 1/6] dm: use bdev_read_only to check if a device is read-only

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



dm-thin and dm-cache also work on partitions, so use the proper
interface to check if the device is read-only.

Signed-off-by: Christoph Hellwig <hch@xxxxxx>
Reviewed-by: Ming Lei <ming.lei@xxxxxxxxxx>
Reviewed-by: Martin K. Petersen <martin.petersen@xxxxxxxxxx>
Reviewed-by: Hannes Reinecke <hare@xxxxxxx>
---
 drivers/md/dm-cache-metadata.c | 2 +-
 drivers/md/dm-thin-metadata.c  | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/md/dm-cache-metadata.c b/drivers/md/dm-cache-metadata.c
index af6d4f898e4c1d..89a73204dbf47f 100644
--- a/drivers/md/dm-cache-metadata.c
+++ b/drivers/md/dm-cache-metadata.c
@@ -449,7 +449,7 @@ static int __check_incompat_features(struct cache_disk_superblock *disk_super,
 	/*
 	 * Check for read-only metadata to skip the following RDWR checks.
 	 */
-	if (get_disk_ro(cmd->bdev->bd_disk))
+	if (bdev_read_only(cmd->bdev))
 		return 0;
 
 	features = le32_to_cpu(disk_super->compat_ro_flags) & ~DM_CACHE_FEATURE_COMPAT_RO_SUPP;
diff --git a/drivers/md/dm-thin-metadata.c b/drivers/md/dm-thin-metadata.c
index 6ebb2127f3e2e0..e75b20480e460e 100644
--- a/drivers/md/dm-thin-metadata.c
+++ b/drivers/md/dm-thin-metadata.c
@@ -636,7 +636,7 @@ static int __check_incompat_features(struct thin_disk_superblock *disk_super,
 	/*
 	 * Check for read-only metadata to skip the following RDWR checks.
 	 */
-	if (get_disk_ro(pmd->bdev->bd_disk))
+	if (bdev_read_only(pmd->bdev))
 		return 0;
 
 	features = le32_to_cpu(disk_super->compat_ro_flags) & ~THIN_FEATURE_COMPAT_RO_SUPP;
-- 
2.29.2




[Index of Archives]     [CEPH Users]     [Ceph Large]     [Ceph Dev]     [Information on CEPH]     [Linux BTRFS]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]

  Powered by Linux