Index: linux-4.18.0-372.32.1.el8_6/mm/page-writeback.c =================================================================== --- linux-4.18.0-372.32.1.el8_6.orig/mm/page-writeback.c +++ linux-4.18.0-372.32.1.el8_6/mm/page-writeback.c @@ -2894,7 +2894,12 @@ EXPORT_SYMBOL_GPL(wait_on_page_writeback */ void wait_for_stable_page(struct page *page) { - if (page->mapping->host->i_sb->s_iflags & SB_I_STABLE_WRITES) + struct inode *inode = page->mapping->host; + struct super_block *sb = inode->i_sb; + + if ((sb->s_iflags & SB_I_STABLE_WRITES) || + (sb_is_blkdev_sb(sb) && + blk_queue_stable_writes(I_BDEV(inode)->bd_disk->queue))) wait_on_page_writeback(page); } EXPORT_SYMBOL_GPL(wait_for_stable_page);