On Mon, Dec 07, 2020 at 02:19:13PM +0100, Christoph Hellwig wrote: > 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: 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 > Reviewed-by: Ming Lei <ming.lei@xxxxxxxxxx> -- Ming
