diff --git a/fs/smb/client/inode.c b/fs/smb/client/inode.c
index d459b6f602ca..a5aa1ae23c5f 100644
--- a/fs/smb/client/inode.c
+++ b/fs/smb/client/inode.c
@@ -3059,6 +3059,8 @@ void cifs_setsize(struct inode *inode, loff_t offset)
 		inode->i_blocks = blocks;
 	spin_unlock(&inode->i_lock);
 	inode_set_mtime_to_ts(inode, inode_set_ctime_current(inode));
+	if (offset > old_size)
+		pagecache_isize_extended(inode, old_size, offset);
 	truncate_pagecache(inode, offset);
 	netfs_wait_for_outstanding_io(inode);
 }