STATX_WRITE_ATOMIC
if (request_mask & STATX_WRITE_ATOMIC && bdev_can_atomic_write(bdev)) {
if ((request_mask & STATX_WRITE_ATOMIC) && S_ISREG(inode->i_mode)) {
stat->result_mask |= STATX_WRITE_ATOMIC;
if (request_mask & STATX_WRITE_ATOMIC)
{ STATX_WRITE_ATOMIC, "WRITE_ATOMIC" }, \