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>

diff --git a/fs/ext2/inode.c b/fs/ext2/inode.c
index d831e24..eb11f7e 100644 (file)
--- 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