0ae1c9d38426 ("md: deprecate bitmap file support") a34d4ef82c3c ("md: make bitmap file support optional") 5339178e5303 ("md-bitmap: split file writes into a separate helper") 59cefee75bda ("md-bitmap: set BITMAP_WRITE_ERROR in write_sb_page") 328e17d8d942 ("md: Move sb writer loop to its own function")