ext2: Use clean_bdev_aliases() instead of iteration

Use clean_bdev_aliases() instead of iterating through blocks one by one.

Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Jens Axboe <axboe@fb.com>

1 files changed, 3 insertions, 6 deletions

diff --git a/fs/ext2/inode.c b/fs/ext2/inode.c
index d831e24dc885..eb11f7e2b8aa 100644
--- a/fs/ext2/inode.c
+++ b/fs/ext2/inode.c
@@ -732,16 +732,13 @@ static int ext2_get_blocks(struct inode *inode,
         }
 
         if (IS_DAX(inode)) {
-                int i;
-
                 /*
                  * We must unmap blocks before zeroing so that writeback cannot
                  * overwrite zeros with stale data from block device page cache.
                  */
-                for (i = 0; i < count; i++) {
-                        unmap_underlying_metadata(inode->i_sb->s_bdev,
-                                        le32_to_cpu(chain[depth-1].key) + i);
-                }
+                clean_bdev_aliases(inode->i_sb->s_bdev,
+                                   le32_to_cpu(chain[depth-1].key),
+                                   count);
                 /*
                  * block must be initialised before we put it in the tree
                  * so that it's not found by another thread before it's