254 	gfp_t gfp = mapping_gfp_constraint(sb->s_bdev->bd_mapping,  in ext4_sb_bread()
263 	gfp_t gfp = mapping_gfp_constraint(sb->s_bdev->bd_mapping,  in ext4_sb_bread_unmovable()
272 	gfp_t gfp = mapping_gfp_constraint(sb->s_bdev->bd_mapping,  in ext4_sb_bread_nofail()
280 	struct buffer_head *bh = bdev_getblk(sb->s_bdev, block,  in ext4_sb_breadahead_unmovable()
494 		((part_stat_read(sb->s_bdev, sectors[STAT_WRITE]) -  in ext4_maybe_update_superblock()
710 	if (!bdev_read_only(sb->s_bdev)) {  in ext4_handle_error()
1082 		if (!bdev_read_only(sb->s_bdev)) {  in __ext4_grp_locked_error()
1354 	sync_blockdev(sb->s_bdev);  in ext4_put_super()
1355 	invalidate_bdev(sb->s_bdev);  in ext4_put_super()
4367 	sbi->s_daxdev = fs_dax_get_by_bdev(sb->s_bdev, &sbi->s_dax_part_off,  in ext4_alloc_sbi()
4506 	struct block_device *bdev = sb->s_bdev;  in ext4_atomic_write_init()
5352 		part_stat_read(sb->s_bdev, sectors[STAT_WRITE]);  in __ext4_fill_super()
5511 		if (bdev_read_only(sb->s_bdev))  in __ext4_fill_super()
5698 	errseq_check_and_advance(&sb->s_bdev->bd_mapping->wb_err,  in __ext4_fill_super()
5718 	if (test_opt(sb, DISCARD) && !bdev_max_discard_sectors(sb->s_bdev)) {  in __ext4_fill_super()
5799 	invalidate_bdev(sb->s_bdev);  in __ext4_fill_super()
6054 	journal = jbd2_journal_init_dev(file_bdev(bdev_file), sb->s_bdev, j_start,  in ext4_open_dev_journal()
6119 	really_read_only = bdev_read_only(sb->s_bdev) | journal_dev_ro;  in ext4_load_journal()
6235 		    ((part_stat_read(sb->s_bdev, sectors[STAT_WRITE]) -  in ext4_update_super()
6468 		err = blkdev_issue_flush(sb->s_bdev);  in ext4_sync_fs()