4283 	struct buffer_head *sbh = EXT4_SB(sb)->s_sbh;  in ext4_commit_super()  local
4286 	if (!sbh || block_device_ejected(sb))  in ext4_commit_super()
4288 	if (buffer_write_io_error(sbh)) {  in ext4_commit_super()
4299 		clear_buffer_write_io_error(sbh);  in ext4_commit_super()
4300 		set_buffer_uptodate(sbh);  in ext4_commit_super()
4330 	BUFFER_TRACE(sbh, "marking dirty");  in ext4_commit_super()
4332 	mark_buffer_dirty(sbh);  in ext4_commit_super()
4334 		error = __sync_dirty_buffer(sbh,  in ext4_commit_super()
4339 		error = buffer_write_io_error(sbh);  in ext4_commit_super()
4343 			clear_buffer_write_io_error(sbh);  in ext4_commit_super()
4344 			set_buffer_uptodate(sbh);  in ext4_commit_super()