diff --git a/drivers/md/dm-exception-store.h b/drivers/md/dm-exception-store.h
index c92701d..2442c8c 100644
--- a/drivers/md/dm-exception-store.h
+++ b/drivers/md/dm-exception-store.h
@@ -156,7 +156,7 @@
  */
 static inline sector_t get_dev_size(struct block_device *bdev)
 {
-	return bdev->bd_inode->i_size >> SECTOR_SHIFT;
+	return i_size_read(bdev->bd_inode) >> SECTOR_SHIFT;
 }
 
 static inline chunk_t sector_to_chunk(struct dm_exception_store *store,
diff --git a/drivers/md/dm-log.c b/drivers/md/dm-log.c
index 6fa8ccf..6352a9a 100644
--- a/drivers/md/dm-log.c
+++ b/drivers/md/dm-log.c
@@ -416,7 +416,7 @@
 				       bitset_size,
 				       ti->limits.logical_block_size);
 
-		if (buf_size > dev->bdev->bd_inode->i_size) {
+		if (buf_size > i_size_read(dev->bdev->bd_inode)) {
 			DMWARN("log device %s too small: need %llu bytes",
 				dev->name, (unsigned long long)buf_size);
 			kfree(lc);
diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c
index e9a73bb..0e2210c 100644
--- a/drivers/md/dm-table.c
+++ b/drivers/md/dm-table.c
@@ -388,7 +388,8 @@
 static int check_device_area(struct dm_dev_internal *dd, sector_t start,
 			     sector_t len)
 {
-	sector_t dev_size = dd->dm_dev.bdev->bd_inode->i_size >> SECTOR_SHIFT;
+	sector_t dev_size = i_size_read(dd->dm_dev.bdev->bd_inode) >>
+			    SECTOR_SHIFT;
 
 	if (!dev_size)
 		return 1;