diff --git a/include/linux/fs.h b/include/linux/fs.h
index 2788df98080f8..a8822b44d4967 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -3033,13 +3033,27 @@ static inline void file_start_write(struct file *file)
        if (!S_ISREG(file_inode(file)->i_mode))
                return;
        sb_start_write(file_inode(file)->i_sb);
+       /*
+        * Prevent fault-in user pages that may call HSM hooks with
+        * sb_writers held.
+        */
+       if (unlikely(FMODE_FSNOTIFY_HSM(file->f_mode)))
+               pagefault_disable();
 }