diff --git a/fs/btrfs/relocation.c b/fs/btrfs/relocation.c
index 537e184b4b1d..474758c878fc 100644
--- a/fs/btrfs/relocation.c
+++ b/fs/btrfs/relocation.c
@@ -2931,6 +2931,7 @@ static int relocate_one_page(struct inode *inode, struct file_ra_state *ra,
 	int ret;
 
 	ASSERT(page_index <= last_index);
+again:
 	page = find_lock_page(inode->i_mapping, page_index);
 	if (!page) {
 		page_cache_sync_readahead(inode->i_mapping, ra, NULL,
@@ -2952,6 +2953,11 @@ static int relocate_one_page(struct inode *inode, struct file_ra_state *ra,
 			ret = -EIO;
 			goto release_page;
 		}
+		if (page->mapping != inode->i_mapping) {
+			unlock_page(page);
+			put_page(page);
+			goto again;
+		}
 	}
 
 	/*